[svn-r24471] JAVA-1798: Add the testfiles for hdf-java and the h5dump tests including the test to read filter data.

Tested: cmake and autotools - local linux

6 files changed, 1861 insertions, 0 deletions

diff --git a/tools/testfiles/tintsattrs.ddl b/tools/testfiles/tintsattrs.ddl
new file mode 100644
index 0000000..b1f1cdf
--- /dev/null
+++ b/tools/testfiles/tintsattrs.ddl
@@ -0,0 +1,1115 @@
+HDF5 "tintsattrs.h5" {
+GROUP "/" {
+   DATASET "DS08BITS" {
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+      }
+      ATTRIBUTE "DS08BITS" {
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+         (59): 0, 0, 0, 0, 0
+         }
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+      (6,0): -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384,
+      (6,9): -32768, -65536, -131072, -262144, -524288, -1048576, -2097152,
+      (6,16): -4194304, -8388608, -16777216, -33554432, -67108864,
+      (6,21): -134217728, -268435456, -536870912, -1073741824, -2147483648,
+      (6,26): -4294967296, -8589934592, -17179869184, -34359738368,
+      (6,30): -68719476736, -137438953472, -274877906944, -549755813888,
+      (6,34): -1099511627776, -2199023255552, -4398046511104, -8796093022208,
+      (6,38): -17592186044416, -35184372088832, -70368744177664,
+      (6,41): -140737488355328, -281474976710656, -562949953421312,
+      (6,44): -1125899906842624, -2251799813685248, -4503599627370496,
+      (6,47): -9007199254740992, -18014398509481984, -36028797018963968,
+      (6,50): -72057594037927936, -144115188075855872, -288230376151711744,
+      (6,53): -576460752303423488, -1152921504606846976,
+      (6,55): -2305843009213693952, -4611686018427387904,
+      (6,57): -9223372036854775808, 0, 0, 0, 0, 0, 0,
+      (7,0): -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768,
+      (7,9): -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304,
+      (7,16): -8388608, -16777216, -33554432, -67108864, -134217728,
+      (7,21): -268435456, -536870912, -1073741824, -2147483648, -4294967296,
+      (7,26): -8589934592, -17179869184, -34359738368, -68719476736,
+      (7,30): -137438953472, -274877906944, -549755813888, -1099511627776,
+      (7,34): -2199023255552, -4398046511104, -8796093022208,
+      (7,37): -17592186044416, -35184372088832, -70368744177664,
+      (7,40): -140737488355328, -281474976710656, -562949953421312,
+      (7,43): -1125899906842624, -2251799813685248, -4503599627370496,
+      (7,46): -9007199254740992, -18014398509481984, -36028797018963968,
+      (7,49): -72057594037927936, -144115188075855872, -288230376151711744,
+      (7,52): -576460752303423488, -1152921504606846976,
+      (7,54): -2305843009213693952, -4611686018427387904,
+      (7,56): -9223372036854775808, 0, 0, 0, 0, 0, 0, 0
+      }
+      ATTRIBUTE "DS64BITS" {
+         DATATYPE  H5T_STD_I64LE
+         DATASPACE  SIMPLE { ( 512 ) / ( 512 ) }
+         DATA {
+         (0): -1, -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048,
+         (12): -4096, -8192, -16384, -32768, -65536, -131072, -262144,
+         (19): -524288, -1048576, -2097152, -4194304, -8388608, -16777216,
+         (25): -33554432, -67108864, -134217728, -268435456, -536870912,
+         (30): -1073741824, -2147483648, -4294967296, -8589934592,
+         (34): -17179869184, -34359738368, -68719476736, -137438953472,
+         (38): -274877906944, -549755813888, -1099511627776, -2199023255552,
+         (42): -4398046511104, -8796093022208, -17592186044416,
+         (45): -35184372088832, -70368744177664, -140737488355328,
+         (48): -281474976710656, -562949953421312, -1125899906842624,
+         (51): -2251799813685248, -4503599627370496, -9007199254740992,
+         (54): -18014398509481984, -36028797018963968, -72057594037927936,
+         (57): -144115188075855872, -288230376151711744, -576460752303423488,
+         (60): -1152921504606846976, -2305843009213693952,
+         (62): -4611686018427387904, -9223372036854775808, -2, -4, -8, -16,
+         (68): -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192,
+         (77): -16384, -32768, -65536, -131072, -262144, -524288, -1048576,
+         (84): -2097152, -4194304, -8388608, -16777216, -33554432, -67108864,
+         (90): -134217728, -268435456, -536870912, -1073741824, -2147483648,
+         (95): -4294967296, -8589934592, -17179869184, -34359738368,
+         (99): -68719476736, -137438953472, -274877906944, -549755813888,
+         (103): -1099511627776, -2199023255552, -4398046511104,
+         (106): -8796093022208, -17592186044416, -35184372088832,
+         (109): -70368744177664, -140737488355328, -281474976710656,
+         (112): -562949953421312, -1125899906842624, -2251799813685248,
+         (115): -4503599627370496, -9007199254740992, -18014398509481984,
+         (118): -36028797018963968, -72057594037927936, -144115188075855872,
+         (121): -288230376151711744, -576460752303423488,
+         (123): -1152921504606846976, -2305843009213693952,
+         (125): -4611686018427387904, -9223372036854775808, 0, -4, -8, -16,
+         (131): -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192,
+         (140): -16384, -32768, -65536, -131072, -262144, -524288, -1048576,
+         (147): -2097152, -4194304, -8388608, -16777216, -33554432,
+         (152): -67108864, -134217728, -268435456, -536870912, -1073741824,
+         (157): -2147483648, -4294967296, -8589934592, -17179869184,
+         (161): -34359738368, -68719476736, -137438953472, -274877906944,
+         (165): -549755813888, -1099511627776, -2199023255552,
+         (168): -4398046511104, -8796093022208, -17592186044416,
+         (171): -35184372088832, -70368744177664, -140737488355328,
+         (174): -281474976710656, -562949953421312, -1125899906842624,
+         (177): -2251799813685248, -4503599627370496, -9007199254740992,
+         (180): -18014398509481984, -36028797018963968, -72057594037927936,
+         (183): -144115188075855872, -288230376151711744,
+         (185): -576460752303423488, -1152921504606846976,
+         (187): -2305843009213693952, -4611686018427387904,
+         (189): -9223372036854775808, 0, 0, -8, -16, -32, -64, -128, -256,
+         (198): -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536,
+         (206): -131072, -262144, -524288, -1048576, -2097152, -4194304,
+         (212): -8388608, -16777216, -33554432, -67108864, -134217728,
+         (217): -268435456, -536870912, -1073741824, -2147483648,
+         (221): -4294967296, -8589934592, -17179869184, -34359738368,
+         (225): -68719476736, -137438953472, -274877906944, -549755813888,
+         (229): -1099511627776, -2199023255552, -4398046511104,
+         (232): -8796093022208, -17592186044416, -35184372088832,
+         (235): -70368744177664, -140737488355328, -281474976710656,
+         (238): -562949953421312, -1125899906842624, -2251799813685248,
+         (241): -4503599627370496, -9007199254740992, -18014398509481984,
+         (244): -36028797018963968, -72057594037927936, -144115188075855872,
+         (247): -288230376151711744, -576460752303423488,
+         (249): -1152921504606846976, -2305843009213693952,
+         (251): -4611686018427387904, -9223372036854775808, 0, 0, 0, -16,
+         (257): -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192,
+         (266): -16384, -32768, -65536, -131072, -262144, -524288, -1048576,
+         (273): -2097152, -4194304, -8388608, -16777216, -33554432,
+         (278): -67108864, -134217728, -268435456, -536870912, -1073741824,
+         (283): -2147483648, -4294967296, -8589934592, -17179869184,
+         (287): -34359738368, -68719476736, -137438953472, -274877906944,
+         (291): -549755813888, -1099511627776, -2199023255552,
+         (294): -4398046511104, -8796093022208, -17592186044416,
+         (297): -35184372088832, -70368744177664, -140737488355328,
+         (300): -281474976710656, -562949953421312, -1125899906842624,
+         (303): -2251799813685248, -4503599627370496, -9007199254740992,
+         (306): -18014398509481984, -36028797018963968, -72057594037927936,
+         (309): -144115188075855872, -288230376151711744,
+         (311): -576460752303423488, -1152921504606846976,
+         (313): -2305843009213693952, -4611686018427387904,
+         (315): -9223372036854775808, 0, 0, 0, 0, -32, -64, -128, -256, -512,
+         (325): -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072,
+         (333): -262144, -524288, -1048576, -2097152, -4194304, -8388608,
+         (339): -16777216, -33554432, -67108864, -134217728, -268435456,
+         (344): -536870912, -1073741824, -2147483648, -4294967296,
+         (348): -8589934592, -17179869184, -34359738368, -68719476736,
+         (352): -137438953472, -274877906944, -549755813888, -1099511627776,
+         (356): -2199023255552, -4398046511104, -8796093022208,
+         (359): -17592186044416, -35184372088832, -70368744177664,
+         (362): -140737488355328, -281474976710656, -562949953421312,
+         (365): -1125899906842624, -2251799813685248, -4503599627370496,
+         (368): -9007199254740992, -18014398509481984, -36028797018963968,
+         (371): -72057594037927936, -144115188075855872, -288230376151711744,
+         (374): -576460752303423488, -1152921504606846976,
+         (376): -2305843009213693952, -4611686018427387904,
+         (378): -9223372036854775808, 0, 0, 0, 0, 0, -64, -128, -256, -512,
+         (388): -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072,
+         (396): -262144, -524288, -1048576, -2097152, -4194304, -8388608,
+         (402): -16777216, -33554432, -67108864, -134217728, -268435456,
+         (407): -536870912, -1073741824, -2147483648, -4294967296,
+         (411): -8589934592, -17179869184, -34359738368, -68719476736,
+         (415): -137438953472, -274877906944, -549755813888, -1099511627776,
+         (419): -2199023255552, -4398046511104, -8796093022208,
+         (422): -17592186044416, -35184372088832, -70368744177664,
+         (425): -140737488355328, -281474976710656, -562949953421312,
+         (428): -1125899906842624, -2251799813685248, -4503599627370496,
+         (431): -9007199254740992, -18014398509481984, -36028797018963968,
+         (434): -72057594037927936, -144115188075855872, -288230376151711744,
+         (437): -576460752303423488, -1152921504606846976,
+         (439): -2305843009213693952, -4611686018427387904,
+         (441): -9223372036854775808, 0, 0, 0, 0, 0, 0, -128, -256, -512,
+         (451): -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072,
+         (459): -262144, -524288, -1048576, -2097152, -4194304, -8388608,
+         (465): -16777216, -33554432, -67108864, -134217728, -268435456,
+         (470): -536870912, -1073741824, -2147483648, -4294967296,
+         (474): -8589934592, -17179869184, -34359738368, -68719476736,
+         (478): -137438953472, -274877906944, -549755813888, -1099511627776,
+         (482): -2199023255552, -4398046511104, -8796093022208,
+         (485): -17592186044416, -35184372088832, -70368744177664,
+         (488): -140737488355328, -281474976710656, -562949953421312,
+         (491): -1125899906842624, -2251799813685248, -4503599627370496,
+         (494): -9007199254740992, -18014398509481984, -36028797018963968,
+         (497): -72057594037927936, -144115188075855872, -288230376151711744,
+         (500): -576460752303423488, -1152921504606846976,
+         (502): -2305843009213693952, -4611686018427387904,
+         (504): -9223372036854775808, 0, 0, 0, 0, 0, 0, 0
+         }
+      }
+   }
+   DATASET "DU08BITS" {
+      DATATYPE  H5T_STD_U8LE
+      DATASPACE  SIMPLE { ( 8, 8 ) / ( 8, 8 ) }
+      DATA {
+      (0,0): 255, 254, 252, 248, 240, 224, 192, 128,
+      (1,0): 254, 252, 248, 240, 224, 192, 128, 0,
+      (2,0): 252, 248, 240, 224, 192, 128, 0, 0,
+      (3,0): 248, 240, 224, 192, 128, 0, 0, 0,
+      (4,0): 240, 224, 192, 128, 0, 0, 0, 0,
+      (5,0): 224, 192, 128, 0, 0, 0, 0, 0,
+      (6,0): 192, 128, 0, 0, 0, 0, 0, 0,
+      (7,0): 128, 0, 0, 0, 0, 0, 0, 0
+      }
+      ATTRIBUTE "DU08BITS" {
+         DATATYPE  H5T_STD_U8LE
+         DATASPACE  SIMPLE { ( 64 ) / ( 64 ) }
+         DATA {
+         (0): 255, 254, 252, 248, 240, 224, 192, 128, 254, 252, 248, 240,
+         (12): 224, 192, 128, 0, 252, 248, 240, 224, 192, 128, 0, 0, 248,
+         (25): 240, 224, 192, 128, 0, 0, 0, 240, 224, 192, 128, 0, 0, 0, 0,
+         (40): 224, 192, 128, 0, 0, 0, 0, 0, 192, 128, 0, 0, 0, 0, 0, 0, 128,
+         (57): 0, 0, 0, 0, 0, 0, 0
+         }
+      }
+   }
+   DATASET "DU16BITS" {
+      DATATYPE  H5T_STD_U16LE
+      DATASPACE  SIMPLE { ( 8, 16 ) / ( 8, 16 ) }
+      DATA {
+      (0,0): 65535, 65534, 65532, 65528, 65520, 65504, 65472, 65408, 65280,
+      (0,9): 65024, 64512, 63488, 61440, 57344, 49152, 32768,
+      (1,0): 65534, 65532, 65528, 65520, 65504, 65472, 65408, 65280, 65024,
+      (1,9): 64512, 63488, 61440, 57344, 49152, 32768, 0,
+      (2,0): 65532, 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512,
+      (2,9): 63488, 61440, 57344, 49152, 32768, 0, 0,
+      (3,0): 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488,
+      (3,9): 61440, 57344, 49152, 32768, 0, 0, 0,
+      (4,0): 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440,
+      (4,9): 57344, 49152, 32768, 0, 0, 0, 0,
+      (5,0): 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344,
+      (5,9): 49152, 32768, 0, 0, 0, 0, 0,
+      (6,0): 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152,
+      (6,9): 32768, 0, 0, 0, 0, 0, 0,
+      (7,0): 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768,
+      (7,9): 0, 0, 0, 0, 0, 0, 0
+      }
+      ATTRIBUTE "DU16BITS" {
+         DATATYPE  H5T_STD_U16LE
+         DATASPACE  SIMPLE { ( 128 ) / ( 128 ) }
+         DATA {
+         (0): 65535, 65534, 65532, 65528, 65520, 65504, 65472, 65408, 65280,
+         (9): 65024, 64512, 63488, 61440, 57344, 49152, 32768, 65534, 65532,
+         (18): 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488,
+         (27): 61440, 57344, 49152, 32768, 0, 65532, 65528, 65520, 65504,
+         (36): 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152,
+         (45): 32768, 0, 0, 65528, 65520, 65504, 65472, 65408, 65280, 65024,
+         (55): 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 65520,
+         (65): 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344,
+         (74): 49152, 32768, 0, 0, 0, 0, 65504, 65472, 65408, 65280, 65024,
+         (85): 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0, 0,
+         (96): 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152,
+         (105): 32768, 0, 0, 0, 0, 0, 0, 65408, 65280, 65024, 64512, 63488,
+         (117): 61440, 57344, 49152, 32768, 0, 0, 0, 0, 0, 0, 0
+         }
+      }
+   }
+   DATASET "DU32BITS" {
+      DATATYPE  H5T_STD_U32LE
+      DATASPACE  SIMPLE { ( 8, 32 ) / ( 8, 32 ) }
+      DATA {
+      (0,0): 4294967295, 4294967294, 4294967292, 4294967288, 4294967280,
+      (0,5): 4294967264, 4294967232, 4294967168, 4294967040, 4294966784,
+      (0,10): 4294966272, 4294965248, 4294963200, 4294959104, 4294950912,
+      (0,15): 4294934528, 4294901760, 4294836224, 4294705152, 4294443008,
+      (0,20): 4293918720, 4292870144, 4290772992, 4286578688, 4278190080,
+      (0,25): 4261412864, 4227858432, 4160749568, 4026531840, 3758096384,
+      (0,30): 3221225472, 2147483648,
+      (1,0): 4294967294, 4294967292, 4294967288, 4294967280, 4294967264,
+      (1,5): 4294967232, 4294967168, 4294967040, 4294966784, 4294966272,
+      (1,10): 4294965248, 4294963200, 4294959104, 4294950912, 4294934528,
+      (1,15): 4294901760, 4294836224, 4294705152, 4294443008, 4293918720,
+      (1,20): 4292870144, 4290772992, 4286578688, 4278190080, 4261412864,
+      (1,25): 4227858432, 4160749568, 4026531840, 3758096384, 3221225472,
+      (1,30): 2147483648, 0,
+      (2,0): 4294967292, 4294967288, 4294967280, 4294967264, 4294967232,
+      (2,5): 4294967168, 4294967040, 4294966784, 4294966272, 4294965248,
+      (2,10): 4294963200, 4294959104, 4294950912, 4294934528, 4294901760,
+      (2,15): 4294836224, 4294705152, 4294443008, 4293918720, 4292870144,
+      (2,20): 4290772992, 4286578688, 4278190080, 4261412864, 4227858432,
+      (2,25): 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0,
+      (2,31): 0,
+      (3,0): 4294967288, 4294967280, 4294967264, 4294967232, 4294967168,
+      (3,5): 4294967040, 4294966784, 4294966272, 4294965248, 4294963200,
+      (3,10): 4294959104, 4294950912, 4294934528, 4294901760, 4294836224,
+      (3,15): 4294705152, 4294443008, 4293918720, 4292870144, 4290772992,
+      (3,20): 4286578688, 4278190080, 4261412864, 4227858432, 4160749568,
+      (3,25): 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0,
+      (4,0): 4294967280, 4294967264, 4294967232, 4294967168, 4294967040,
+      (4,5): 4294966784, 4294966272, 4294965248, 4294963200, 4294959104,
+      (4,10): 4294950912, 4294934528, 4294901760, 4294836224, 4294705152,
+      (4,15): 4294443008, 4293918720, 4292870144, 4290772992, 4286578688,
+      (4,20): 4278190080, 4261412864, 4227858432, 4160749568, 4026531840,
+      (4,25): 3758096384, 3221225472, 2147483648, 0, 0, 0, 0,
+      (5,0): 4294967264, 4294967232, 4294967168, 4294967040, 4294966784,
+      (5,5): 4294966272, 4294965248, 4294963200, 4294959104, 4294950912,
+      (5,10): 4294934528, 4294901760, 4294836224, 4294705152, 4294443008,
+      (5,15): 4293918720, 4292870144, 4290772992, 4286578688, 4278190080,
+      (5,20): 4261412864, 4227858432, 4160749568, 4026531840, 3758096384,
+      (5,25): 3221225472, 2147483648, 0, 0, 0, 0, 0,
+      (6,0): 4294967232, 4294967168, 4294967040, 4294966784, 4294966272,
+      (6,5): 4294965248, 4294963200, 4294959104, 4294950912, 4294934528,
+      (6,10): 4294901760, 4294836224, 4294705152, 4294443008, 4293918720,
+      (6,15): 4292870144, 4290772992, 4286578688, 4278190080, 4261412864,
+      (6,20): 4227858432, 4160749568, 4026531840, 3758096384, 3221225472,
+      (6,25): 2147483648, 0, 0, 0, 0, 0, 0,
+      (7,0): 4294967168, 4294967040, 4294966784, 4294966272, 4294965248,
+      (7,5): 4294963200, 4294959104, 4294950912, 4294934528, 4294901760,
+      (7,10): 4294836224, 4294705152, 4294443008, 4293918720, 4292870144,
+      (7,15): 4290772992, 4286578688, 4278190080, 4261412864, 4227858432,
+      (7,20): 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0,
+      (7,26): 0, 0, 0, 0, 0, 0
+      }
+      ATTRIBUTE "DU32BITS" {
+         DATATYPE  H5T_STD_U32LE
+         DATASPACE  SIMPLE { ( 256 ) / ( 256 ) }
+         DATA {
+         (0): 4294967295, 4294967294, 4294967292, 4294967288, 4294967280,
+         (5): 4294967264, 4294967232, 4294967168, 4294967040, 4294966784,
+         (10): 4294966272, 4294965248, 4294963200, 4294959104, 4294950912,
+         (15): 4294934528, 4294901760, 4294836224, 4294705152, 4294443008,
+         (20): 4293918720, 4292870144, 4290772992, 4286578688, 4278190080,
+         (25): 4261412864, 4227858432, 4160749568, 4026531840, 3758096384,
+         (30): 3221225472, 2147483648, 4294967294, 4294967292, 4294967288,
+         (35): 4294967280, 4294967264, 4294967232, 4294967168, 4294967040,
+         (40): 4294966784, 4294966272, 4294965248, 4294963200, 4294959104,
+         (45): 4294950912, 4294934528, 4294901760, 4294836224, 4294705152,
+         (50): 4294443008, 4293918720, 4292870144, 4290772992, 4286578688,
+         (55): 4278190080, 4261412864, 4227858432, 4160749568, 4026531840,
+         (60): 3758096384, 3221225472, 2147483648, 0, 4294967292, 4294967288,
+         (66): 4294967280, 4294967264, 4294967232, 4294967168, 4294967040,
+         (71): 4294966784, 4294966272, 4294965248, 4294963200, 4294959104,
+         (76): 4294950912, 4294934528, 4294901760, 4294836224, 4294705152,
+         (81): 4294443008, 4293918720, 4292870144, 4290772992, 4286578688,
+         (86): 4278190080, 4261412864, 4227858432, 4160749568, 4026531840,
+         (91): 3758096384, 3221225472, 2147483648, 0, 0, 4294967288,
+         (97): 4294967280, 4294967264, 4294967232, 4294967168, 4294967040,
+         (102): 4294966784, 4294966272, 4294965248, 4294963200, 4294959104,
+         (107): 4294950912, 4294934528, 4294901760, 4294836224, 4294705152,
+         (112): 4294443008, 4293918720, 4292870144, 4290772992, 4286578688,
+         (117): 4278190080, 4261412864, 4227858432, 4160749568, 4026531840,
+         (122): 3758096384, 3221225472, 2147483648, 0, 0, 0, 4294967280,
+         (129): 4294967264, 4294967232, 4294967168, 4294967040, 4294966784,
+         (134): 4294966272, 4294965248, 4294963200, 4294959104, 4294950912,
+         (139): 4294934528, 4294901760, 4294836224, 4294705152, 4294443008,
+         (144): 4293918720, 4292870144, 4290772992, 4286578688, 4278190080,
+         (149): 4261412864, 4227858432, 4160749568, 4026531840, 3758096384,
+         (154): 3221225472, 2147483648, 0, 0, 0, 0, 4294967264, 4294967232,
+         (162): 4294967168, 4294967040, 4294966784, 4294966272, 4294965248,
+         (167): 4294963200, 4294959104, 4294950912, 4294934528, 4294901760,
+         (172): 4294836224, 4294705152, 4294443008, 4293918720, 4292870144,
+         (177): 4290772992, 4286578688, 4278190080, 4261412864, 4227858432,
+         (182): 4160749568, 4026531840, 3758096384, 3221225472, 2147483648,
+         (187): 0, 0, 0, 0, 0, 4294967232, 4294967168, 4294967040,
+         (195): 4294966784, 4294966272, 4294965248, 4294963200, 4294959104,
+         (200): 4294950912, 4294934528, 4294901760, 4294836224, 4294705152,
+         (205): 4294443008, 4293918720, 4292870144, 4290772992, 4286578688,
+         (210): 4278190080, 4261412864, 4227858432, 4160749568, 4026531840,
+         (215): 3758096384, 3221225472, 2147483648, 0, 0, 0, 0, 0, 0,
+         (224): 4294967168, 4294967040, 4294966784, 4294966272, 4294965248,
+         (229): 4294963200, 4294959104, 4294950912, 4294934528, 4294901760,
+         (234): 4294836224, 4294705152, 4294443008, 4293918720, 4292870144,
+         (239): 4290772992, 4286578688, 4278190080, 4261412864, 4227858432,
+         (244): 4160749568, 4026531840, 3758096384, 3221225472, 2147483648,
+         (249): 0, 0, 0, 0, 0, 0, 0
+         }
+      }
+   }
+   DATASET "DU64BITS" {
+      DATATYPE  H5T_STD_U64LE
+      DATASPACE  SIMPLE { ( 8, 64 ) / ( 8, 64 ) }
+      DATA {
+      (0,0): 18446744073709551615, 18446744073709551614,
+      (0,2): 18446744073709551612, 18446744073709551608,
+      (0,4): 18446744073709551600, 18446744073709551584,
+      (0,6): 18446744073709551552, 18446744073709551488,
+      (0,8): 18446744073709551360, 18446744073709551104,
+      (0,10): 18446744073709550592, 18446744073709549568,
+      (0,12): 18446744073709547520, 18446744073709543424,
+      (0,14): 18446744073709535232, 18446744073709518848,
+      (0,16): 18446744073709486080, 18446744073709420544,
+      (0,18): 18446744073709289472, 18446744073709027328,
+      (0,20): 18446744073708503040, 18446744073707454464,
+      (0,22): 18446744073705357312, 18446744073701163008,
+      (0,24): 18446744073692774400, 18446744073675997184,
+      (0,26): 18446744073642442752, 18446744073575333888,
+      (0,28): 18446744073441116160, 18446744073172680704,
+      (0,30): 18446744072635809792, 18446744071562067968,
+      (0,32): 18446744069414584320, 18446744065119617024,
+      (0,34): 18446744056529682432, 18446744039349813248,
+      (0,36): 18446744004990074880, 18446743936270598144,
+      (0,38): 18446743798831644672, 18446743523953737728,
+      (0,40): 18446742974197923840, 18446741874686296064,
+      (0,42): 18446739675663040512, 18446735277616529408,
+      (0,44): 18446726481523507200, 18446708889337462784,
+      (0,46): 18446673704965373952, 18446603336221196288,
+      (0,48): 18446462598732840960, 18446181123756130304,
+      (0,50): 18445618173802708992, 18444492273895866368,
+      (0,52): 18442240474082181120, 18437736874454810624,
+      (0,54): 18428729675200069632, 18410715276690587648,
+      (0,56): 18374686479671623680, 18302628885633695744,
+      (0,58): 18158513697557839872, 17870283321406128128,
+      (0,60): 17293822569102704640, 16140901064495857664,
+      (0,62): 13835058055282163712, 9223372036854775808,
+      (1,0): 18446744073709551614, 18446744073709551612,
+      (1,2): 18446744073709551608, 18446744073709551600,
+      (1,4): 18446744073709551584, 18446744073709551552,
+      (1,6): 18446744073709551488, 18446744073709551360,
+      (1,8): 18446744073709551104, 18446744073709550592,
+      (1,10): 18446744073709549568, 18446744073709547520,
+      (1,12): 18446744073709543424, 18446744073709535232,
+      (1,14): 18446744073709518848, 18446744073709486080,
+      (1,16): 18446744073709420544, 18446744073709289472,
+      (1,18): 18446744073709027328, 18446744073708503040,
+      (1,20): 18446744073707454464, 18446744073705357312,
+      (1,22): 18446744073701163008, 18446744073692774400,
+      (1,24): 18446744073675997184, 18446744073642442752,
+      (1,26): 18446744073575333888, 18446744073441116160,
+      (1,28): 18446744073172680704, 18446744072635809792,
+      (1,30): 18446744071562067968, 18446744069414584320,
+      (1,32): 18446744065119617024, 18446744056529682432,
+      (1,34): 18446744039349813248, 18446744004990074880,
+      (1,36): 18446743936270598144, 18446743798831644672,
+      (1,38): 18446743523953737728, 18446742974197923840,
+      (1,40): 18446741874686296064, 18446739675663040512,
+      (1,42): 18446735277616529408, 18446726481523507200,
+      (1,44): 18446708889337462784, 18446673704965373952,
+      (1,46): 18446603336221196288, 18446462598732840960,
+      (1,48): 18446181123756130304, 18445618173802708992,
+      (1,50): 18444492273895866368, 18442240474082181120,
+      (1,52): 18437736874454810624, 18428729675200069632,
+      (1,54): 18410715276690587648, 18374686479671623680,
+      (1,56): 18302628885633695744, 18158513697557839872,
+      (1,58): 17870283321406128128, 17293822569102704640,
+      (1,60): 16140901064495857664, 13835058055282163712,
+      (1,62): 9223372036854775808, 0,
+      (2,0): 18446744073709551612, 18446744073709551608,
+      (2,2): 18446744073709551600, 18446744073709551584,
+      (2,4): 18446744073709551552, 18446744073709551488,
+      (2,6): 18446744073709551360, 18446744073709551104,
+      (2,8): 18446744073709550592, 18446744073709549568,
+      (2,10): 18446744073709547520, 18446744073709543424,
+      (2,12): 18446744073709535232, 18446744073709518848,
+      (2,14): 18446744073709486080, 18446744073709420544,
+      (2,16): 18446744073709289472, 18446744073709027328,
+      (2,18): 18446744073708503040, 18446744073707454464,
+      (2,20): 18446744073705357312, 18446744073701163008,
+      (2,22): 18446744073692774400, 18446744073675997184,
+      (2,24): 18446744073642442752, 18446744073575333888,
+      (2,26): 18446744073441116160, 18446744073172680704,
+      (2,28): 18446744072635809792, 18446744071562067968,
+      (2,30): 18446744069414584320, 18446744065119617024,
+      (2,32): 18446744056529682432, 18446744039349813248,
+      (2,34): 18446744004990074880, 18446743936270598144,
+      (2,36): 18446743798831644672, 18446743523953737728,
+      (2,38): 18446742974197923840, 18446741874686296064,
+      (2,40): 18446739675663040512, 18446735277616529408,
+      (2,42): 18446726481523507200, 18446708889337462784,
+      (2,44): 18446673704965373952, 18446603336221196288,
+      (2,46): 18446462598732840960, 18446181123756130304,
+      (2,48): 18445618173802708992, 18444492273895866368,
+      (2,50): 18442240474082181120, 18437736874454810624,
+      (2,52): 18428729675200069632, 18410715276690587648,
+      (2,54): 18374686479671623680, 18302628885633695744,
+      (2,56): 18158513697557839872, 17870283321406128128,
+      (2,58): 17293822569102704640, 16140901064495857664,
+      (2,60): 13835058055282163712, 9223372036854775808, 0, 0,
+      (3,0): 18446744073709551608, 18446744073709551600,
+      (3,2): 18446744073709551584, 18446744073709551552,
+      (3,4): 18446744073709551488, 18446744073709551360,
+      (3,6): 18446744073709551104, 18446744073709550592,
+      (3,8): 18446744073709549568, 18446744073709547520,
+      (3,10): 18446744073709543424, 18446744073709535232,
+      (3,12): 18446744073709518848, 18446744073709486080,
+      (3,14): 18446744073709420544, 18446744073709289472,
+      (3,16): 18446744073709027328, 18446744073708503040,
+      (3,18): 18446744073707454464, 18446744073705357312,
+      (3,20): 18446744073701163008, 18446744073692774400,
+      (3,22): 18446744073675997184, 18446744073642442752,
+      (3,24): 18446744073575333888, 18446744073441116160,
+      (3,26): 18446744073172680704, 18446744072635809792,
+      (3,28): 18446744071562067968, 18446744069414584320,
+      (3,30): 18446744065119617024, 18446744056529682432,
+      (3,32): 18446744039349813248, 18446744004990074880,
+      (3,34): 18446743936270598144, 18446743798831644672,
+      (3,36): 18446743523953737728, 18446742974197923840,
+      (3,38): 18446741874686296064, 18446739675663040512,
+      (3,40): 18446735277616529408, 18446726481523507200,
+      (3,42): 18446708889337462784, 18446673704965373952,
+      (3,44): 18446603336221196288, 18446462598732840960,
+      (3,46): 18446181123756130304, 18445618173802708992,
+      (3,48): 18444492273895866368, 18442240474082181120,
+      (3,50): 18437736874454810624, 18428729675200069632,
+      (3,52): 18410715276690587648, 18374686479671623680,
+      (3,54): 18302628885633695744, 18158513697557839872,
+      (3,56): 17870283321406128128, 17293822569102704640,
+      (3,58): 16140901064495857664, 13835058055282163712,
+      (3,60): 9223372036854775808, 0, 0, 0,
+      (4,0): 18446744073709551600, 18446744073709551584,
+      (4,2): 18446744073709551552, 18446744073709551488,
+      (4,4): 18446744073709551360, 18446744073709551104,
+      (4,6): 18446744073709550592, 18446744073709549568,
+      (4,8): 18446744073709547520, 18446744073709543424,
+      (4,10): 18446744073709535232, 18446744073709518848,
+      (4,12): 18446744073709486080, 18446744073709420544,
+      (4,14): 18446744073709289472, 18446744073709027328,
+      (4,16): 18446744073708503040, 18446744073707454464,
+      (4,18): 18446744073705357312, 18446744073701163008,
+      (4,20): 18446744073692774400, 18446744073675997184,
+      (4,22): 18446744073642442752, 18446744073575333888,
+      (4,24): 18446744073441116160, 18446744073172680704,
+      (4,26): 18446744072635809792, 18446744071562067968,
+      (4,28): 18446744069414584320, 18446744065119617024,
+      (4,30): 18446744056529682432, 18446744039349813248,
+      (4,32): 18446744004990074880, 18446743936270598144,
+      (4,34): 18446743798831644672, 18446743523953737728,
+      (4,36): 18446742974197923840, 18446741874686296064,
+      (4,38): 18446739675663040512, 18446735277616529408,
+      (4,40): 18446726481523507200, 18446708889337462784,
+      (4,42): 18446673704965373952, 18446603336221196288,
+      (4,44): 18446462598732840960, 18446181123756130304,
+      (4,46): 18445618173802708992, 18444492273895866368,
+      (4,48): 18442240474082181120, 18437736874454810624,
+      (4,50): 18428729675200069632, 18410715276690587648,
+      (4,52): 18374686479671623680, 18302628885633695744,
+      (4,54): 18158513697557839872, 17870283321406128128,
+      (4,56): 17293822569102704640, 16140901064495857664,
+      (4,58): 13835058055282163712, 9223372036854775808, 0, 0, 0, 0,
+      (5,0): 18446744073709551584, 18446744073709551552,
+      (5,2): 18446744073709551488, 18446744073709551360,
+      (5,4): 18446744073709551104, 18446744073709550592,
+      (5,6): 18446744073709549568, 18446744073709547520,
+      (5,8): 18446744073709543424, 18446744073709535232,
+      (5,10): 18446744073709518848, 18446744073709486080,
+      (5,12): 18446744073709420544, 18446744073709289472,
+      (5,14): 18446744073709027328, 18446744073708503040,
+      (5,16): 18446744073707454464, 18446744073705357312,
+      (5,18): 18446744073701163008, 18446744073692774400,
+      (5,20): 18446744073675997184, 18446744073642442752,
+      (5,22): 18446744073575333888, 18446744073441116160,
+      (5,24): 18446744073172680704, 18446744072635809792,
+      (5,26): 18446744071562067968, 18446744069414584320,
+      (5,28): 18446744065119617024, 18446744056529682432,
+      (5,30): 18446744039349813248, 18446744004990074880,
+      (5,32): 18446743936270598144, 18446743798831644672,
+      (5,34): 18446743523953737728, 18446742974197923840,
+      (5,36): 18446741874686296064, 18446739675663040512,
+      (5,38): 18446735277616529408, 18446726481523507200,
+      (5,40): 18446708889337462784, 18446673704965373952,
+      (5,42): 18446603336221196288, 18446462598732840960,
+      (5,44): 18446181123756130304, 18445618173802708992,
+      (5,46): 18444492273895866368, 18442240474082181120,
+      (5,48): 18437736874454810624, 18428729675200069632,
+      (5,50): 18410715276690587648, 18374686479671623680,
+      (5,52): 18302628885633695744, 18158513697557839872,
+      (5,54): 17870283321406128128, 17293822569102704640,
+      (5,56): 16140901064495857664, 13835058055282163712,
+      (5,58): 9223372036854775808, 0, 0, 0, 0, 0,
+      (6,0): 18446744073709551552, 18446744073709551488,
+      (6,2): 18446744073709551360, 18446744073709551104,
+      (6,4): 18446744073709550592, 18446744073709549568,
+      (6,6): 18446744073709547520, 18446744073709543424,
+      (6,8): 18446744073709535232, 18446744073709518848,
+      (6,10): 18446744073709486080, 18446744073709420544,
+      (6,12): 18446744073709289472, 18446744073709027328,
+      (6,14): 18446744073708503040, 18446744073707454464,
+      (6,16): 18446744073705357312, 18446744073701163008,
+      (6,18): 18446744073692774400, 18446744073675997184,
+      (6,20): 18446744073642442752, 18446744073575333888,
+      (6,22): 18446744073441116160, 18446744073172680704,
+      (6,24): 18446744072635809792, 18446744071562067968,
+      (6,26): 18446744069414584320, 18446744065119617024,
+      (6,28): 18446744056529682432, 18446744039349813248,
+      (6,30): 18446744004990074880, 18446743936270598144,
+      (6,32): 18446743798831644672, 18446743523953737728,
+      (6,34): 18446742974197923840, 18446741874686296064,
+      (6,36): 18446739675663040512, 18446735277616529408,
+      (6,38): 18446726481523507200, 18446708889337462784,
+      (6,40): 18446673704965373952, 18446603336221196288,
+      (6,42): 18446462598732840960, 18446181123756130304,
+      (6,44): 18445618173802708992, 18444492273895866368,
+      (6,46): 18442240474082181120, 18437736874454810624,
+      (6,48): 18428729675200069632, 18410715276690587648,
+      (6,50): 18374686479671623680, 18302628885633695744,
+      (6,52): 18158513697557839872, 17870283321406128128,
+      (6,54): 17293822569102704640, 16140901064495857664,
+      (6,56): 13835058055282163712, 9223372036854775808, 0, 0, 0, 0, 0, 0,
+      (7,0): 18446744073709551488, 18446744073709551360,
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+      (7,16): 18446744073701163008, 18446744073692774400,
+      (7,18): 18446744073675997184, 18446744073642442752,
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+      (7,24): 18446744071562067968, 18446744069414584320,
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+      (7,28): 18446744039349813248, 18446744004990074880,
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+      (7,54): 16140901064495857664, 13835058055282163712,
+      (7,56): 9223372036854775808, 0, 0, 0, 0, 0, 0, 0
+      }
+      ATTRIBUTE "DU64BITS" {
+         DATATYPE  H5T_STD_U64LE
+         DATASPACE  SIMPLE { ( 512 ) / ( 512 ) }
+         DATA {
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+         (4): 18446744073709551600, 18446744073709551584,
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+         (481): 18446742974197923840, 18446741874686296064,
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+         (487): 18446673704965373952, 18446603336221196288,
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+         (491): 18445618173802708992, 18444492273895866368,
+         (493): 18442240474082181120, 18437736874454810624,
+         (495): 18428729675200069632, 18410715276690587648,
+         (497): 18374686479671623680, 18302628885633695744,
+         (499): 18158513697557839872, 17870283321406128128,
+         (501): 17293822569102704640, 16140901064495857664,
+         (503): 13835058055282163712, 9223372036854775808, 0, 0, 0, 0, 0, 0,
+         (511): 0
+         }
+      }
+   }
+   DATASET "DummyDBL" {
+      DATATYPE  H5T_IEEE_F64BE
+      DATASPACE  SIMPLE { ( 8, 8 ) / ( 8, 8 ) }
+      DATA {
+      (0,0): 0, 0.0001, 0.0002, 0.0003, 0.0004, 0.0005, 0.0006, 0.0007,
+      (1,0): 1, 1.0001, 1.0002, 1.0003, 1.0004, 1.0005, 1.0006, 1.0007,
+      (2,0): 2, 2.0001, 2.0002, 2.0003, 2.0004, 2.0005, 2.0006, 2.0007,
+      (3,0): 3, 3.0001, 3.0002, 3.0003, 3.0004, 3.0005, 3.0006, 3.0007,
+      (4,0): 4, 4.0001, 4.0002, 4.0003, 4.0004, 4.0005, 4.0006, 4.0007,
+      (5,0): 5, 5.0001, 5.0002, 5.0003, 5.0004, 5.0005, 5.0006, 5.0007,
+      (6,0): 6, 6.0001, 6.0002, 6.0003, 6.0004, 6.0005, 6.0006, 6.0007,
+      (7,0): 7, 7.0001, 7.0002, 7.0003, 7.0004, 7.0005, 7.0006, 7.0007
+      }
+      ATTRIBUTE "DummyDBL" {
+         DATATYPE  H5T_IEEE_F64BE
+         DATASPACE  SIMPLE { ( 64 ) / ( 64 ) }
+         DATA {
+         (0): 0, 0.0001, 0.0002, 0.0003, 0.0004, 0.0005, 0.0006, 0.0007, 1,
+         (9): 1.0001, 1.0002, 1.0003, 1.0004, 1.0005, 1.0006, 1.0007, 2,
+         (17): 2.0001, 2.0002, 2.0003, 2.0004, 2.0005, 2.0006, 2.0007, 3,
+         (25): 3.0001, 3.0002, 3.0003, 3.0004, 3.0005, 3.0006, 3.0007, 4,
+         (33): 4.0001, 4.0002, 4.0003, 4.0004, 4.0005, 4.0006, 4.0007, 5,
+         (41): 5.0001, 5.0002, 5.0003, 5.0004, 5.0005, 5.0006, 5.0007, 6,
+         (49): 6.0001, 6.0002, 6.0003, 6.0004, 6.0005, 6.0006, 6.0007, 7,
+         (57): 7.0001, 7.0002, 7.0003, 7.0004, 7.0005, 7.0006, 7.0007
+         }
+      }
+   }
+}
+}
diff --git a/tools/testfiles/tintsattrs.h5 b/tools/testfiles/tintsattrs.h5
new file mode 100644
index 0000000..ca8c573
--- /dev/null
+++ b/tools/testfiles/tintsattrs.h5
diff --git a/tools/testfiles/treadfilter.ddl b/tools/testfiles/treadfilter.ddl
new file mode 100644
index 0000000..25875f3
--- /dev/null
+++ b/tools/testfiles/treadfilter.ddl
@@ -0,0 +1,358 @@
+HDF5 "tfilters.h5" {
+GROUP "/" {
+   DATASET "all" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "alloc_time_early" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "alloc_time_incr" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "alloc_time_late" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "chunked" {
+   COMMENT "This is a dataset with chunked storage"
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "compact" {
+   COMMENT "This is a dataset with compact storage"
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "contiguous" {
+   COMMENT "This is a dataset with contiguous storage"
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "deflate" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "external" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 100 ) / ( 100 ) }
+      DATA {
+      }
+   }
+   DATASET "fletcher32" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "myfilter" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      }
+   }
+   DATATYPE "mytype" H5T_STD_B8LE;
+   DATASET "nbit" {
+      DATATYPE  32-bit little-endian integer
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+      (1,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+      (2,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+      (3,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1,
+      (4,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+      (5,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+      (6,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+      (7,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1,
+      (8,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+      (9,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+      (10,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+      (11,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1,
+      (12,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+      (13,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+      (14,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+      (15,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1,
+      (16,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+      (17,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+      (18,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+      (19,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1
+      }
+   }
+   DATASET "scaleoffset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+      (3,0): 14, 15, 0, 1, 2, 19, 0, 5, 6, 7,
+      (4,0): 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+      (5,0): 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+      (6,0): 12, 13, 14, 15, 0, 17, 18, 19, 0, 5,
+      (7,0): 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+      (8,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (9,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
+      (13,0): 114, 0, 100, 101, 102, 119, 0, 105, 106, 107,
+      (14,0): 108, 109, 110, 111, 112, 113, 114, 115, 116, 117,
+      (15,0): 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
+      (16,0): 112, 113, 114, 0, 100, 117, 118, 119, 0, 105,
+      (17,0): 106, 107, 108, 109, 110, 111, 112, 113, 114, 115,
+      (18,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (19,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119
+      }
+   }
+   DATASET "shuffle" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+   DATASET "szip" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+      DATA {
+      (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+      (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+      (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+      (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+      (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+      (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+      (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+      (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+      (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+      (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+      (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+      (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+      (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+      (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+      (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+      (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+      (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+      (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+      (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+      (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+      }
+   }
+}
+}
diff --git a/tools/testfiles/treadintfilter.ddl b/tools/testfiles/treadintfilter.ddl
new file mode 100644
index 0000000..a2269a6b
--- /dev/null
+++ b/tools/testfiles/treadintfilter.ddl
@@ -0,0 +1,132 @@
+HDF5 "tfilters.h5" {
+DATASET "deflate" {
+   DATATYPE  H5T_STD_I32LE
+   DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+   DATA {
+   (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+   (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+   (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+   (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+   (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+   (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+   (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+   (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+   (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+   (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+   (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+   (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+   (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+   (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+   (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+   (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+   (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+   (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+   (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+   (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+   }
+}
+DATASET "shuffle" {
+   DATATYPE  H5T_STD_I32LE
+   DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+   DATA {
+   (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+   (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+   (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+   (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+   (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+   (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+   (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+   (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+   (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+   (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+   (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+   (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+   (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+   (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+   (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+   (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+   (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+   (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+   (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+   (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+   }
+}
+DATASET "fletcher32" {
+   DATATYPE  H5T_STD_I32LE
+   DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+   DATA {
+   (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+   (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+   (2,0): 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+   (3,0): 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+   (4,0): 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+   (5,0): 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+   (6,0): 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+   (7,0): 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+   (8,0): 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+   (9,0): 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+   (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+   (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+   (12,0): 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
+   (13,0): 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+   (14,0): 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+   (15,0): 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+   (16,0): 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
+   (17,0): 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+   (18,0): 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+   (19,0): 190, 191, 192, 193, 194, 195, 196, 197, 198, 199
+   }
+}
+DATASET "nbit" {
+   DATATYPE  32-bit little-endian integer
+   DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+   DATA {
+   (0,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+   (1,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+   (2,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+   (3,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1,
+   (4,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+   (5,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+   (6,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+   (7,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1,
+   (8,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+   (9,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+   (10,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+   (11,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1,
+   (12,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+   (13,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+   (14,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+   (15,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1,
+   (16,0): 0, 1, 2, 3, -4, -3, -2, -1, 0, 1,
+   (17,0): 2, 3, -4, -3, -2, -1, 0, 1, 2, 3,
+   (18,0): -4, -3, -2, -1, 0, 1, 2, 3, -4, -3,
+   (19,0): -2, -1, 0, 1, 2, 3, -4, -3, -2, -1
+   }
+}
+DATASET "scaleoffset" {
+   DATATYPE  H5T_STD_I32LE
+   DATASPACE  SIMPLE { ( 20, 10 ) / ( 20, 10 ) }
+   DATA {
+   (0,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+   (1,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+   (2,0): 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+   (3,0): 14, 15, 0, 1, 2, 19, 0, 5, 6, 7,
+   (4,0): 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+   (5,0): 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+   (6,0): 12, 13, 14, 15, 0, 17, 18, 19, 0, 5,
+   (7,0): 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+   (8,0): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+   (9,0): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+   (10,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+   (11,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+   (12,0): 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
+   (13,0): 114, 0, 100, 101, 102, 119, 0, 105, 106, 107,
+   (14,0): 108, 109, 110, 111, 112, 113, 114, 115, 116, 117,
+   (15,0): 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
+   (16,0): 112, 113, 114, 0, 100, 117, 118, 119, 0, 105,
+   (17,0): 106, 107, 108, 109, 110, 111, 112, 113, 114, 115,
+   (18,0): 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+   (19,0): 110, 111, 112, 113, 114, 115, 116, 117, 118, 119
+   }
+}
+}
diff --git a/tools/testfiles/tscalarintattrsize.ddl b/tools/testfiles/tscalarintattrsize.ddl
new file mode 100644
index 0000000..a9de66b
--- /dev/null
+++ b/tools/testfiles/tscalarintattrsize.ddl
@@ -0,0 +1,256 @@
+HDF5 "tscalarintattrsize.h5" {
+GROUP "/" {
+   DATASET "DS08BITS" {
+      DATATYPE  H5T_ARRAY { [8][8] H5T_STD_I8LE }
+      DATASPACE  SCALAR
+      DATA {
+      (0): [ -1, -2, -4, -8, -16, -32, -64, -128,
+            -2, -4, -8, -16, -32, -64, -128, 0,
+            -4, -8, -16, -32, -64, -128, 0, 0,
+            -8, -16, -32, -64, -128, 0, 0, 0,
+            -16, -32, -64, -128, 0, 0, 0, 0,
+            -32, -64, -128, 0, 0, 0, 0, 0,
+            -64, -128, 0, 0, 0, 0, 0, 0,
+            -128, 0, 0, 0, 0, 0, 0, 0 ]
+      }
+      ATTRIBUTE "DS08BITS" {
+         DATATYPE  H5T_ARRAY { [8][8] H5T_STD_I8LE }
+         DATASPACE  SCALAR
+         DATA {
+         (0): [ -1, -2, -4, -8, -16, -32, -64, -128,
+               -2, -4, -8, -16, -32, -64, -128, 0,
+               -4, -8, -16, -32, -64, -128, 0, 0,
+               -8, -16, -32, -64, -128, 0, 0, 0,
+               -16, -32, -64, -128, 0, 0, 0, 0,
+               -32, -64, -128, 0, 0, 0, 0, 0,
+               -64, -128, 0, 0, 0, 0, 0, 0,
+               -128, 0, 0, 0, 0, 0, 0, 0 ]
+         }
+      }
+   }
+   DATASET "DS16BITS" {
+      DATATYPE  H5T_ARRAY { [8][16] H5T_STD_I16LE }
+      DATASPACE  SCALAR
+      DATA {
+      (0): [ -1, -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768,
+            -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0,
+            -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0,
+            -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0,
+            -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0, 0,
+            -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0, 0, 0,
+            -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0, 0, 0, 0,
+            -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0, 0, 0, 0, 0 ]
+      }
+      ATTRIBUTE "DS16BITS" {
+         DATATYPE  H5T_ARRAY { [8][16] H5T_STD_I16LE }
+         DATASPACE  SCALAR
+         DATA {
+         (0): [ -1, -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768,
+               -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0,
+               -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0,
+               -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0,
+               -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0, 0,
+               -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0, 0, 0,
+               -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0, 0, 0, 0,
+               -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, 0, 0, 0, 0, 0, 0, 0 ]
+         }
+      }
+   }
+   DATASET "DS32BITS" {
+      DATATYPE  H5T_ARRAY { [8][32] H5T_STD_I32LE }
+      DATASPACE  SCALAR
+      DATA {
+      (0): [ -1, -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648,
+            -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0,
+            -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0,
+            -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0,
+            -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0, 0,
+            -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0, 0, 0,
+            -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0, 0, 0, 0,
+            -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0, 0, 0, 0, 0 ]
+      }
+      ATTRIBUTE "DS32BITS" {
+         DATATYPE  H5T_ARRAY { [8][32] H5T_STD_I32LE }
+         DATASPACE  SCALAR
+         DATA {
+         (0): [ -1, -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648,
+               -2, -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0,
+               -4, -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0,
+               -8, -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0,
+               -16, -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0, 0,
+               -32, -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0, 0, 0,
+               -64, -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0, 0, 0, 0,
+               -128, -256, -512, -1024, -2048, -4096, -8192, -16384, -32768, -65536, -131072, -262144, -524288, -1048576, -2097152, -4194304, -8388608, -16777216, -33554432, -67108864, -134217728, -268435456, -536870912, -1073741824, -2147483648, 0, 0, 0, 0, 0, 0, 0 ]
+         }
+      }
+   }
+   DATASET "DS64BITS" {
+      DATATYPE  H5T_ARRAY { [8][64] H5T_STD_I64LE }
+      DATASPACE  SCALAR
+      DATA {
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+      }
+      ATTRIBUTE "DS64BITS" {
+         DATATYPE  H5T_ARRAY { [8][64] H5T_STD_I64LE }
+         DATASPACE  SCALAR
+         DATA {
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+         }
+      }
+   }
+   DATASET "DU08BITS" {
+      DATATYPE  H5T_ARRAY { [8][8] H5T_STD_U8LE }
+      DATASPACE  SCALAR
+      DATA {
+      (0): [ 255, 254, 252, 248, 240, 224, 192, 128,
+            254, 252, 248, 240, 224, 192, 128, 0,
+            252, 248, 240, 224, 192, 128, 0, 0,
+            248, 240, 224, 192, 128, 0, 0, 0,
+            240, 224, 192, 128, 0, 0, 0, 0,
+            224, 192, 128, 0, 0, 0, 0, 0,
+            192, 128, 0, 0, 0, 0, 0, 0,
+            128, 0, 0, 0, 0, 0, 0, 0 ]
+      }
+      ATTRIBUTE "DU08BITS" {
+         DATATYPE  H5T_ARRAY { [8][8] H5T_STD_U8LE }
+         DATASPACE  SCALAR
+         DATA {
+         (0): [ 255, 254, 252, 248, 240, 224, 192, 128,
+               254, 252, 248, 240, 224, 192, 128, 0,
+               252, 248, 240, 224, 192, 128, 0, 0,
+               248, 240, 224, 192, 128, 0, 0, 0,
+               240, 224, 192, 128, 0, 0, 0, 0,
+               224, 192, 128, 0, 0, 0, 0, 0,
+               192, 128, 0, 0, 0, 0, 0, 0,
+               128, 0, 0, 0, 0, 0, 0, 0 ]
+         }
+      }
+   }
+   DATASET "DU16BITS" {
+      DATATYPE  H5T_ARRAY { [8][16] H5T_STD_U16LE }
+      DATASPACE  SCALAR
+      DATA {
+      (0): [ 65535, 65534, 65532, 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768,
+            65534, 65532, 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0,
+            65532, 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0,
+            65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0,
+            65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0,
+            65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0, 0,
+            65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0, 0, 0,
+            65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0, 0, 0, 0 ]
+      }
+      ATTRIBUTE "DU16BITS" {
+         DATATYPE  H5T_ARRAY { [8][16] H5T_STD_U16LE }
+         DATASPACE  SCALAR
+         DATA {
+         (0): [ 65535, 65534, 65532, 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768,
+               65534, 65532, 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0,
+               65532, 65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0,
+               65528, 65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0,
+               65520, 65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0,
+               65504, 65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0, 0,
+               65472, 65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0, 0, 0,
+               65408, 65280, 65024, 64512, 63488, 61440, 57344, 49152, 32768, 0, 0, 0, 0, 0, 0, 0 ]
+         }
+      }
+   }
+   DATASET "DU32BITS" {
+      DATATYPE  H5T_ARRAY { [8][32] H5T_STD_U32LE }
+      DATASPACE  SCALAR
+      DATA {
+      (0): [ 4294967295, 4294967294, 4294967292, 4294967288, 4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648,
+            4294967294, 4294967292, 4294967288, 4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0,
+            4294967292, 4294967288, 4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0,
+            4294967288, 4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0,
+            4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0, 0,
+            4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0, 0, 0,
+            4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0, 0, 0, 0,
+            4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0, 0, 0, 0, 0 ]
+      }
+      ATTRIBUTE "DU32BITS" {
+         DATATYPE  H5T_ARRAY { [8][32] H5T_STD_U32LE }
+         DATASPACE  SCALAR
+         DATA {
+         (0): [ 4294967295, 4294967294, 4294967292, 4294967288, 4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648,
+               4294967294, 4294967292, 4294967288, 4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0,
+               4294967292, 4294967288, 4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0,
+               4294967288, 4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0,
+               4294967280, 4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0, 0,
+               4294967264, 4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0, 0, 0,
+               4294967232, 4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0, 0, 0, 0,
+               4294967168, 4294967040, 4294966784, 4294966272, 4294965248, 4294963200, 4294959104, 4294950912, 4294934528, 4294901760, 4294836224, 4294705152, 4294443008, 4293918720, 4292870144, 4290772992, 4286578688, 4278190080, 4261412864, 4227858432, 4160749568, 4026531840, 3758096384, 3221225472, 2147483648, 0, 0, 0, 0, 0, 0, 0 ]
+         }
+      }
+   }
+   DATASET "DU64BITS" {
+      DATATYPE  H5T_ARRAY { [8][64] H5T_STD_U64LE }
+      DATASPACE  SCALAR
+      DATA {
+      (0): [ 18446744073709551615, 18446744073709551614, 18446744073709551612, 18446744073709551608, 18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808,
+            18446744073709551614, 18446744073709551612, 18446744073709551608, 18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0,
+            18446744073709551612, 18446744073709551608, 18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0,
+            18446744073709551608, 18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0,
+            18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0, 0,
+            18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0, 0, 0,
+            18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0, 0, 0, 0,
+            18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0, 0, 0, 0, 0 ]
+      }
+      ATTRIBUTE "DU64BITS" {
+         DATATYPE  H5T_ARRAY { [8][64] H5T_STD_U64LE }
+         DATASPACE  SCALAR
+         DATA {
+         (0): [ 18446744073709551615, 18446744073709551614, 18446744073709551612, 18446744073709551608, 18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808,
+               18446744073709551614, 18446744073709551612, 18446744073709551608, 18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0,
+               18446744073709551612, 18446744073709551608, 18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0,
+               18446744073709551608, 18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0,
+               18446744073709551600, 18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0, 0,
+               18446744073709551584, 18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0, 0, 0,
+               18446744073709551552, 18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0, 0, 0, 0,
+               18446744073709551488, 18446744073709551360, 18446744073709551104, 18446744073709550592, 18446744073709549568, 18446744073709547520, 18446744073709543424, 18446744073709535232, 18446744073709518848, 18446744073709486080, 18446744073709420544, 18446744073709289472, 18446744073709027328, 18446744073708503040, 18446744073707454464, 18446744073705357312, 18446744073701163008, 18446744073692774400, 18446744073675997184, 18446744073642442752, 18446744073575333888, 18446744073441116160, 18446744073172680704, 18446744072635809792, 18446744071562067968, 18446744069414584320, 18446744065119617024, 18446744056529682432, 18446744039349813248, 18446744004990074880, 18446743936270598144, 18446743798831644672, 18446743523953737728, 18446742974197923840, 18446741874686296064, 18446739675663040512, 18446735277616529408, 18446726481523507200, 18446708889337462784, 18446673704965373952, 18446603336221196288, 18446462598732840960, 18446181123756130304, 18445618173802708992, 18444492273895866368, 18442240474082181120, 18437736874454810624, 18428729675200069632, 18410715276690587648, 18374686479671623680, 18302628885633695744, 18158513697557839872, 17870283321406128128, 17293822569102704640, 16140901064495857664, 13835058055282163712, 9223372036854775808, 0, 0, 0, 0, 0, 0, 0 ]
+         }
+      }
+   }
+   DATASET "DummyDBL" {
+      DATATYPE  H5T_ARRAY { [8][8] H5T_IEEE_F64LE }
+      DATASPACE  SCALAR
+      DATA {
+      (0): [ 0, 0.0001, 0.0002, 0.0003, 0.0004, 0.0005, 0.0006, 0.0007,
+            1, 1.0001, 1.0002, 1.0003, 1.0004, 1.0005, 1.0006, 1.0007,
+            2, 2.0001, 2.0002, 2.0003, 2.0004, 2.0005, 2.0006, 2.0007,
+            3, 3.0001, 3.0002, 3.0003, 3.0004, 3.0005, 3.0006, 3.0007,
+            4, 4.0001, 4.0002, 4.0003, 4.0004, 4.0005, 4.0006, 4.0007,
+            5, 5.0001, 5.0002, 5.0003, 5.0004, 5.0005, 5.0006, 5.0007,
+            6, 6.0001, 6.0002, 6.0003, 6.0004, 6.0005, 6.0006, 6.0007,
+            7, 7.0001, 7.0002, 7.0003, 7.0004, 7.0005, 7.0006, 7.0007 ]
+      }
+      ATTRIBUTE "DummyDBL" {
+         DATATYPE  H5T_ARRAY { [8][8] H5T_IEEE_F64LE }
+         DATASPACE  SCALAR
+         DATA {
+         (0): [ 0, 0.0001, 0.0002, 0.0003, 0.0004, 0.0005, 0.0006, 0.0007,
+               1, 1.0001, 1.0002, 1.0003, 1.0004, 1.0005, 1.0006, 1.0007,
+               2, 2.0001, 2.0002, 2.0003, 2.0004, 2.0005, 2.0006, 2.0007,
+               3, 3.0001, 3.0002, 3.0003, 3.0004, 3.0005, 3.0006, 3.0007,
+               4, 4.0001, 4.0002, 4.0003, 4.0004, 4.0005, 4.0006, 4.0007,
+               5, 5.0001, 5.0002, 5.0003, 5.0004, 5.0005, 5.0006, 5.0007,
+               6, 6.0001, 6.0002, 6.0003, 6.0004, 6.0005, 6.0006, 6.0007,
+               7, 7.0001, 7.0002, 7.0003, 7.0004, 7.0005, 7.0006, 7.0007 ]
+         }
+      }
+   }
+}
+}
diff --git a/tools/testfiles/tscalarintattrsize.h5 b/tools/testfiles/tscalarintattrsize.h5
new file mode 100644
index 0000000..61f5fb3
--- /dev/null
+++ b/tools/testfiles/tscalarintattrsize.h5