Add test file with unwritten datasets

4 files changed, 425 insertions, 4 deletions

diff --git a/tools/test/h5dump/CMakeTests.cmake b/tools/test/h5dump/CMakeTests.cmake
index 132fc2b..c2ae0a6 100644
--- a/tools/test/h5dump/CMakeTests.cmake
+++ b/tools/test/h5dump/CMakeTests.cmake
@@ -125,6 +125,7 @@
       ${HDF5_TOOLS_DIR}/testfiles/tints4dimsCountEq.ddl
       ${HDF5_TOOLS_DIR}/testfiles/tints4dimsStride2.ddl
       ${HDF5_TOOLS_DIR}/testfiles/tintsattrs.ddl
+      ${HDF5_TOOLS_DIR}/testfiles/tintsnodata.ddl
       ${HDF5_TOOLS_DIR}/testfiles/tlarge_objname.ddl
       #${HDF5_TOOLS_DIR}/testfiles/tldouble.ddl
       ${HDF5_TOOLS_DIR}/testfiles/tlonglinks.ddl
@@ -280,6 +281,7 @@
       ${HDF5_TOOLS_DIR}/testfiles/thyperslab.h5
       ${HDF5_TOOLS_DIR}/testfiles/tints4dims.h5
       ${HDF5_TOOLS_DIR}/testfiles/tintsattrs.h5
+      ${HDF5_TOOLS_DIR}/testfiles/tintsnodata.h5
       ${HDF5_TOOLS_DIR}/testfiles/tlarge_objname.h5
       #${HDF5_TOOLS_DIR}/testfiles/tldouble.h5
       ${HDF5_TOOLS_DIR}/testfiles/tlonglinks.h5
@@ -998,6 +1000,8 @@
           tints4dimsStride2.out.err
           tintsattrs.out
           tintsattrs.out.err
+          tintsnodata.out
+          tintsnodata.out.err
           tlarge_objname.out
           tlarge_objname.out.err
           tldouble.out
@@ -1168,6 +1172,9 @@
   # test for maximum display datasets
   ADD_H5_TEST (twidedisplay 0 --enable-error-stack -w0 packedbits.h5)
 
+  # test for unwritten datasets
+  ADD_H5_TEST (tintsnodata 0 --enable-error-stack tintsnodata.h5)
+
   # test for signed/unsigned datasets
   ADD_H5_TEST (packedbits 0 --enable-error-stack packedbits.h5)
   # test for compound signed/unsigned datasets
diff --git a/tools/test/h5dump/h5dumpgentest.c b/tools/test/h5dump/h5dumpgentest.c
index 9e9f6f1..4ef63e5 100644
--- a/tools/test/h5dump/h5dumpgentest.c
+++ b/tools/test/h5dump/h5dumpgentest.c
@@ -114,6 +114,7 @@
 #define FILE84  "tudfilter.h5"
 #define FILE85  "tgrpnullspace.h5"
 #define FILE86  "err_attr_dspace.h5"
+#define FILE87  "tintsnodata.h5"
 
 /*-------------------------------------------------------------------------
  * prototypes
@@ -293,7 +294,7 @@ typedef struct s1_t {
 #define THRESHOLD10           10           /* Free-space section threshold */
 #define FSPACE_PAGE_SIZE         8192         /* File space page size */
 
-/* "FILE66" macros and for FILE69 */
+/* "FILE66" macros and for FILE69, FILE87 */
 #define F66_XDIM        8
 #define F66_DATASETU08        "DU08BITS"
 #define F66_DATASETS08        "DS08BITS"
@@ -7526,6 +7527,89 @@ gent_attr_intsize(void)
     H5Gclose(root);
     H5Fclose(fid);
 }
+static void
+gent_nodata(void)
+{
+    hid_t fid, dataset, space;
+    hsize_t dims[2];
+    uint8_t  dsetu8[F66_XDIM][F66_YDIM8],   valu8bits;
+    uint16_t dsetu16[F66_XDIM][F66_YDIM16], valu16bits;
+    uint32_t dsetu32[F66_XDIM][F66_YDIM32], valu32bits;
+    uint64_t dsetu64[F66_XDIM][F66_YDIM64], valu64bits;
+    int8_t  dset8[F66_XDIM][F66_YDIM8],   val8bits;
+    int16_t dset16[F66_XDIM][F66_YDIM16], val16bits;
+    int32_t dset32[F66_XDIM][F66_YDIM32], val32bits;
+    int64_t dset64[F66_XDIM][F66_YDIM64], val64bits;
+    double  dsetdbl[F66_XDIM][F66_YDIM8];
+    unsigned int i, j;
+
+    fid = H5Fcreate(FILE87, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* Dataset of 8 bits unsigned int */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM8;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DATASETU08, H5T_STD_U8LE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+
+    /* Dataset of 16 bits unsigned int */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM16;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DATASETU16, H5T_STD_U16LE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+
+    /* Dataset of 32 bits unsigned int */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM32;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DATASETU32, H5T_STD_U32LE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+
+    /* Dataset of 64 bits unsigned int */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM64;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DATASETU64, H5T_STD_U64LE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+
+    /* Dataset of 8 bits signed int */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM8;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DATASETS08, H5T_STD_I8LE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+
+    /* Dataset of 16 bits signed int */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM16;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DATASETS16, H5T_STD_I16LE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+
+    /* Dataset of 32 bits signed int */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM32;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DATASETS32, H5T_STD_I32LE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+
+    /* Dataset of 64 bits signed int */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM64;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DATASETS64, H5T_STD_I64LE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+
+    /* Double Dummy set for failure tests */
+    dims[0] = F66_XDIM; dims[1] = F66_YDIM8;
+    space = H5Screate_simple(2, dims, NULL);
+    dataset = H5Dcreate2(fid, F66_DUMMYDBL, H5T_IEEE_F64BE, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+    H5Sclose(space);
+    H5Dclose(dataset);
+    H5Fclose(fid);
+}
+
 
 /*-------------------------------------------------------------------------
  * Function:    gent_charsets
@@ -10484,12 +10568,12 @@ static void gent_null_space_group(void)
  *          Then write an illegal version to the shared dataspace message
  *          to trigger the error.
  *          This is to verify HDFFV-10333 that h5dump will exit
- *          gracefully when encountered error similar to 
+ *          gracefully when encountered error similar to
  *          H5O_attr_decode in the jira issue.
  *
  *-------------------------------------------------------------------------
  */
-static void 
+static void
 gent_err_attr_dspace()
 {
     hid_t fid = -1;         /* File identifier */
@@ -10535,7 +10619,7 @@ gent_err_attr_dspace()
     if(H5Fclose(fid) < 0)
         goto error;
 
-    /* This section of code will write an illegal version to the "version" field 
+    /* This section of code will write an illegal version to the "version" field
        of the shared dataspace message */
     if((fd = HDopen(FILE86, O_RDWR, 0633)) < 0)
         goto error;
@@ -10647,6 +10731,7 @@ int main(void)
     gent_intattrscalars();
     gent_intsattrs();
     gent_bitnopaquefields();
+    gent_nodata();
 
     gent_intsfourdims();
     gent_null_space_group();
diff --git a/tools/testfiles/tintsnodata.ddl b/tools/testfiles/tintsnodata.ddl
new file mode 100644
index 0000000..c20f337
--- /dev/null
+++ b/tools/testfiles/tintsnodata.ddl
@@ -0,0 +1,329 @@
+HDF5 "tintsnodata.h5" {
+GROUP "/" {
+   DATASET "DS08BITS" {
+      DATATYPE  H5T_STD_I8LE
+      DATASPACE  SIMPLE { ( 8, 8 ) / ( 8, 8 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0
+      }
+   }
+   DATASET "DS16BITS" {
+      DATATYPE  H5T_STD_I16LE
+      DATASPACE  SIMPLE { ( 8, 16 ) / ( 8, 16 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+      }
+   }
+   DATASET "DS32BITS" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 8, 32 ) / ( 8, 32 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+      }
+   }
+   DATASET "DS64BITS" {
+      DATATYPE  H5T_STD_I64LE
+      DATASPACE  SIMPLE { ( 8, 64 ) / ( 8, 64 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,63): 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,63): 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,63): 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,63): 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,63): 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,63): 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,63): 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,63): 0
+      }
+   }
+   DATASET "DU08BITS" {
+      DATATYPE  H5T_STD_U8LE
+      DATASPACE  SIMPLE { ( 8, 8 ) / ( 8, 8 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0
+      }
+   }
+   DATASET "DU16BITS" {
+      DATATYPE  H5T_STD_U16LE
+      DATASPACE  SIMPLE { ( 8, 16 ) / ( 8, 16 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+      }
+   }
+   DATASET "DU32BITS" {
+      DATATYPE  H5T_STD_U32LE
+      DATASPACE  SIMPLE { ( 8, 32 ) / ( 8, 32 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+      }
+   }
+   DATASET "DU64BITS" {
+      DATATYPE  H5T_STD_U64LE
+      DATASPACE  SIMPLE { ( 8, 64 ) / ( 8, 64 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,63): 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,63): 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,63): 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,63): 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,63): 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,63): 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,63): 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,21): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,42): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,63): 0
+      }
+   }
+   DATASET "DummyDBL" {
+      DATATYPE  H5T_IEEE_F64BE
+      DATASPACE  SIMPLE { ( 8, 8 ) / ( 8, 8 ) }
+      STORAGE_LAYOUT {
+         CONTIGUOUS
+         SIZE 0
+         OFFSET 18446744073709551615
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  H5D_FILL_VALUE_DEFAULT
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,0): 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,0): 0, 0, 0, 0, 0, 0, 0, 0
+      }
+   }
+}
+}
diff --git a/tools/testfiles/tintsnodata.h5 b/tools/testfiles/tintsnodata.h5
new file mode 100644
index 0000000..741da09
--- /dev/null
+++ b/tools/testfiles/tintsnodata.h5