[svn-r27195] Add h5dump cmake tests and files.

Add tools gen cmake files move testfiles for pbits to subdir as well as vds Tested: local linux
author: Allen Byrne <byrn@hdfgroup.org> 2015-06-12 21:29:20 (GMT)
committer: Allen Byrne <byrn@hdfgroup.org> 2015-06-12 21:29:20 (GMT)
commit: 78e128c544064ba4861a3eb7a72908e7ae7916eb (patch)
tree: 5ba848b17f2a9a6eba021244db3cd3d53a4f2619 /tools/testfiles
parent: 9786fe2f6158cd13c5e1837dee58f99dcda8f58c (diff)
download: hdf5-78e128c544064ba4861a3eb7a72908e7ae7916eb.zip
hdf5-78e128c544064ba4861a3eb7a72908e7ae7916eb.tar.gz
hdf5-78e128c544064ba4861a3eb7a72908e7ae7916eb.tar.bz2
88 files changed, 1694 insertions, 0 deletions
diff --git a/tools/testfiles/tnofilename-with-packed-bits.ddl b/tools/testfiles/pbits/tnofilename-with-packed-bits.ddl
index 64a2880..64a2880 100644
--- a/tools/testfiles/tnofilename-with-packed-bits.ddl
+++ b/tools/testfiles/pbits/tnofilename-with-packed-bits.ddl
diff --git a/tools/testfiles/tpbitsArray.ddl b/tools/testfiles/pbits/tpbitsArray.ddl
index 125abb8..125abb8 100644
--- a/tools/testfiles/tpbitsArray.ddl
+++ b/tools/testfiles/pbits/tpbitsArray.ddl
diff --git a/tools/testfiles/tpbitsCharLengthExceeded.ddl b/tools/testfiles/pbits/tpbitsCharLengthExceeded.ddl
index b0683a7..b0683a7 100644
--- a/tools/testfiles/tpbitsCharLengthExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsCharLengthExceeded.ddl
diff --git a/tools/testfiles/tpbitsCharOffsetExceeded.ddl b/tools/testfiles/pbits/tpbitsCharOffsetExceeded.ddl
index 530fa05..530fa05 100644
--- a/tools/testfiles/tpbitsCharOffsetExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsCharOffsetExceeded.ddl
diff --git a/tools/testfiles/tpbitsCompound.ddl b/tools/testfiles/pbits/tpbitsCompound.ddl
index c84272a..c84272a 100644
--- a/tools/testfiles/tpbitsCompound.ddl
+++ b/tools/testfiles/pbits/tpbitsCompound.ddl
diff --git a/tools/testfiles/tpbitsIncomplete.ddl b/tools/testfiles/pbits/tpbitsIncomplete.ddl
index cdb1f91..cdb1f91 100644
--- a/tools/testfiles/tpbitsIncomplete.ddl
+++ b/tools/testfiles/pbits/tpbitsIncomplete.ddl
diff --git a/tools/testfiles/tpbitsIntLengthExceeded.ddl b/tools/testfiles/pbits/tpbitsIntLengthExceeded.ddl
index 1c919cd..1c919cd 100644
--- a/tools/testfiles/tpbitsIntLengthExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsIntLengthExceeded.ddl
diff --git a/tools/testfiles/tpbitsIntOffsetExceeded.ddl b/tools/testfiles/pbits/tpbitsIntOffsetExceeded.ddl
index f3b2a8c..f3b2a8c 100644
--- a/tools/testfiles/tpbitsIntOffsetExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsIntOffsetExceeded.ddl
diff --git a/tools/testfiles/tpbitsLengthExceeded.ddl b/tools/testfiles/pbits/tpbitsLengthExceeded.ddl
index 6d2492a..6d2492a 100644
--- a/tools/testfiles/tpbitsLengthExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsLengthExceeded.ddl
diff --git a/tools/testfiles/tpbitsLengthPositive.ddl b/tools/testfiles/pbits/tpbitsLengthPositive.ddl
index 4f56619..4f56619 100644
--- a/tools/testfiles/tpbitsLengthPositive.ddl
+++ b/tools/testfiles/pbits/tpbitsLengthPositive.ddl
diff --git a/tools/testfiles/tpbitsLongLengthExceeded.ddl b/tools/testfiles/pbits/tpbitsLongLengthExceeded.ddl
index 812c300..812c300 100644
--- a/tools/testfiles/tpbitsLongLengthExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsLongLengthExceeded.ddl
diff --git a/tools/testfiles/tpbitsLongOffsetExceeded.ddl b/tools/testfiles/pbits/tpbitsLongOffsetExceeded.ddl
index cbea722..cbea722 100644
--- a/tools/testfiles/tpbitsLongOffsetExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsLongOffsetExceeded.ddl
diff --git a/tools/testfiles/tpbitsMax.ddl b/tools/testfiles/pbits/tpbitsMax.ddl
index e569488..e569488 100644
--- a/tools/testfiles/tpbitsMax.ddl
+++ b/tools/testfiles/pbits/tpbitsMax.ddl
diff --git a/tools/testfiles/tpbitsMaxExceeded.ddl b/tools/testfiles/pbits/tpbitsMaxExceeded.ddl
index 3432433..3432433 100644
--- a/tools/testfiles/tpbitsMaxExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsMaxExceeded.ddl
diff --git a/tools/testfiles/tpbitsOffsetExceeded.ddl b/tools/testfiles/pbits/tpbitsOffsetExceeded.ddl
index e51a09e..e51a09e 100644
--- a/tools/testfiles/tpbitsOffsetExceeded.ddl
+++ b/tools/testfiles/pbits/tpbitsOffsetExceeded.ddl
diff --git a/tools/testfiles/tpbitsOffsetNegative.ddl b/tools/testfiles/pbits/tpbitsOffsetNegative.ddl
index ba6e46d..ba6e46d 100644
--- a/tools/testfiles/tpbitsOffsetNegative.ddl
+++ b/tools/testfiles/pbits/tpbitsOffsetNegative.ddl
diff --git a/tools/testfiles/tpbitsOverlapped.ddl b/tools/testfiles/pbits/tpbitsOverlapped.ddl
index 9dcc9d2..9dcc9d2 100644
--- a/tools/testfiles/tpbitsOverlapped.ddl
+++ b/tools/testfiles/pbits/tpbitsOverlapped.ddl
diff --git a/tools/testfiles/tpbitsSigned.ddl b/tools/testfiles/pbits/tpbitsSigned.ddl
index b843388..b843388 100644
--- a/tools/testfiles/tpbitsSigned.ddl
+++ b/tools/testfiles/pbits/tpbitsSigned.ddl
diff --git a/tools/testfiles/tpbitsSigned2.ddl b/tools/testfiles/pbits/tpbitsSigned2.ddl
index 932b5fd..932b5fd 100644
--- a/tools/testfiles/tpbitsSigned2.ddl
+++ b/tools/testfiles/pbits/tpbitsSigned2.ddl
diff --git a/tools/testfiles/tpbitsSigned4.ddl b/tools/testfiles/pbits/tpbitsSigned4.ddl
index 9eacd83..9eacd83 100644
--- a/tools/testfiles/tpbitsSigned4.ddl
+++ b/tools/testfiles/pbits/tpbitsSigned4.ddl
diff --git a/tools/testfiles/tpbitsSignedInt.ddl b/tools/testfiles/pbits/tpbitsSignedInt.ddl
index 5c37e77..5c37e77 100644
--- a/tools/testfiles/tpbitsSignedInt.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedInt.ddl
diff --git a/tools/testfiles/tpbitsSignedInt4.ddl b/tools/testfiles/pbits/tpbitsSignedInt4.ddl
index 4e9f0f6..4e9f0f6 100644
--- a/tools/testfiles/tpbitsSignedInt4.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedInt4.ddl
diff --git a/tools/testfiles/tpbitsSignedInt8.ddl b/tools/testfiles/pbits/tpbitsSignedInt8.ddl
index f2d6069..f2d6069 100644
--- a/tools/testfiles/tpbitsSignedInt8.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedInt8.ddl
diff --git a/tools/testfiles/tpbitsSignedIntWhole.ddl b/tools/testfiles/pbits/tpbitsSignedIntWhole.ddl
index 598c446..598c446 100644
--- a/tools/testfiles/tpbitsSignedIntWhole.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedIntWhole.ddl
diff --git a/tools/testfiles/tpbitsSignedLong.ddl b/tools/testfiles/pbits/tpbitsSignedLong.ddl
index b3eba61..b3eba61 100644
--- a/tools/testfiles/tpbitsSignedLong.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLong.ddl
diff --git a/tools/testfiles/tpbitsSignedLong16.ddl b/tools/testfiles/pbits/tpbitsSignedLong16.ddl
index 83fa889..83fa889 100644
--- a/tools/testfiles/tpbitsSignedLong16.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLong16.ddl
diff --git a/tools/testfiles/tpbitsSignedLong8.ddl b/tools/testfiles/pbits/tpbitsSignedLong8.ddl
index e99b1d0..e99b1d0 100644
--- a/tools/testfiles/tpbitsSignedLong8.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLong8.ddl
diff --git a/tools/testfiles/tpbitsSignedLongLong.ddl b/tools/testfiles/pbits/tpbitsSignedLongLong.ddl
index 2be8a55..2be8a55 100644
--- a/tools/testfiles/tpbitsSignedLongLong.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLongLong.ddl
diff --git a/tools/testfiles/tpbitsSignedLongLong16.ddl b/tools/testfiles/pbits/tpbitsSignedLongLong16.ddl
index 44e336d..44e336d 100644
--- a/tools/testfiles/tpbitsSignedLongLong16.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLongLong16.ddl
diff --git a/tools/testfiles/tpbitsSignedLongLong32.ddl b/tools/testfiles/pbits/tpbitsSignedLongLong32.ddl
index 6ab4ac4..6ab4ac4 100644
--- a/tools/testfiles/tpbitsSignedLongLong32.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLongLong32.ddl
diff --git a/tools/testfiles/tpbitsSignedLongLongWhole.ddl b/tools/testfiles/pbits/tpbitsSignedLongLongWhole.ddl
index 134f3be..134f3be 100644
--- a/tools/testfiles/tpbitsSignedLongLongWhole.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLongLongWhole.ddl
diff --git a/tools/testfiles/tpbitsSignedLongLongWhole1.ddl b/tools/testfiles/pbits/tpbitsSignedLongLongWhole1.ddl
index 7431670..7431670 100644
--- a/tools/testfiles/tpbitsSignedLongLongWhole1.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLongLongWhole1.ddl
diff --git a/tools/testfiles/tpbitsSignedLongLongWhole63.ddl b/tools/testfiles/pbits/tpbitsSignedLongLongWhole63.ddl
index c7cc65f..c7cc65f 100644
--- a/tools/testfiles/tpbitsSignedLongLongWhole63.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLongLongWhole63.ddl
diff --git a/tools/testfiles/tpbitsSignedLongWhole.ddl b/tools/testfiles/pbits/tpbitsSignedLongWhole.ddl
index e583f1d..e583f1d 100644
--- a/tools/testfiles/tpbitsSignedLongWhole.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedLongWhole.ddl
diff --git a/tools/testfiles/tpbitsSignedWhole.ddl b/tools/testfiles/pbits/tpbitsSignedWhole.ddl
index f044e23..f044e23 100644
--- a/tools/testfiles/tpbitsSignedWhole.ddl
+++ b/tools/testfiles/pbits/tpbitsSignedWhole.ddl
diff --git a/tools/testfiles/tpbitsUnsigned.ddl b/tools/testfiles/pbits/tpbitsUnsigned.ddl
index 9e7ac50..9e7ac50 100644
--- a/tools/testfiles/tpbitsUnsigned.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsigned.ddl
diff --git a/tools/testfiles/tpbitsUnsigned2.ddl b/tools/testfiles/pbits/tpbitsUnsigned2.ddl
index b7e6f79..b7e6f79 100644
--- a/tools/testfiles/tpbitsUnsigned2.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsigned2.ddl
diff --git a/tools/testfiles/tpbitsUnsigned4.ddl b/tools/testfiles/pbits/tpbitsUnsigned4.ddl
index d25d838..d25d838 100644
--- a/tools/testfiles/tpbitsUnsigned4.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsigned4.ddl
diff --git a/tools/testfiles/tpbitsUnsignedInt.ddl b/tools/testfiles/pbits/tpbitsUnsignedInt.ddl
index 5e0fefe..5e0fefe 100644
--- a/tools/testfiles/tpbitsUnsignedInt.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedInt.ddl
diff --git a/tools/testfiles/tpbitsUnsignedInt4.ddl b/tools/testfiles/pbits/tpbitsUnsignedInt4.ddl
index 0d3e38f..0d3e38f 100644
--- a/tools/testfiles/tpbitsUnsignedInt4.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedInt4.ddl
diff --git a/tools/testfiles/tpbitsUnsignedInt8.ddl b/tools/testfiles/pbits/tpbitsUnsignedInt8.ddl
index 861ed3e..861ed3e 100644
--- a/tools/testfiles/tpbitsUnsignedInt8.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedInt8.ddl
diff --git a/tools/testfiles/tpbitsUnsignedIntWhole.ddl b/tools/testfiles/pbits/tpbitsUnsignedIntWhole.ddl
index c054011..c054011 100644
--- a/tools/testfiles/tpbitsUnsignedIntWhole.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedIntWhole.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLong.ddl b/tools/testfiles/pbits/tpbitsUnsignedLong.ddl
index 9f8bcb4..9f8bcb4 100644
--- a/tools/testfiles/tpbitsUnsignedLong.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLong.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLong16.ddl b/tools/testfiles/pbits/tpbitsUnsignedLong16.ddl
index 7a1984f..7a1984f 100644
--- a/tools/testfiles/tpbitsUnsignedLong16.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLong16.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLong8.ddl b/tools/testfiles/pbits/tpbitsUnsignedLong8.ddl
index 17b896c..17b896c 100644
--- a/tools/testfiles/tpbitsUnsignedLong8.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLong8.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLongLong.ddl b/tools/testfiles/pbits/tpbitsUnsignedLongLong.ddl
index 1cd9a6c..1cd9a6c 100644
--- a/tools/testfiles/tpbitsUnsignedLongLong.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLongLong.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLongLong16.ddl b/tools/testfiles/pbits/tpbitsUnsignedLongLong16.ddl
index f8b0189..f8b0189 100644
--- a/tools/testfiles/tpbitsUnsignedLongLong16.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLongLong16.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLongLong32.ddl b/tools/testfiles/pbits/tpbitsUnsignedLongLong32.ddl
index befaf5b..befaf5b 100644
--- a/tools/testfiles/tpbitsUnsignedLongLong32.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLongLong32.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLongLongWhole.ddl b/tools/testfiles/pbits/tpbitsUnsignedLongLongWhole.ddl
index 27c8879..27c8879 100644
--- a/tools/testfiles/tpbitsUnsignedLongLongWhole.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLongLongWhole.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLongLongWhole1.ddl b/tools/testfiles/pbits/tpbitsUnsignedLongLongWhole1.ddl
index 0302105..0302105 100644
--- a/tools/testfiles/tpbitsUnsignedLongLongWhole1.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLongLongWhole1.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLongLongWhole63.ddl b/tools/testfiles/pbits/tpbitsUnsignedLongLongWhole63.ddl
index 6a9b503..6a9b503 100644
--- a/tools/testfiles/tpbitsUnsignedLongLongWhole63.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLongLongWhole63.ddl
diff --git a/tools/testfiles/tpbitsUnsignedLongWhole.ddl b/tools/testfiles/pbits/tpbitsUnsignedLongWhole.ddl
index 50ad02f..50ad02f 100644
--- a/tools/testfiles/tpbitsUnsignedLongWhole.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedLongWhole.ddl
diff --git a/tools/testfiles/tpbitsUnsignedWhole.ddl b/tools/testfiles/pbits/tpbitsUnsignedWhole.ddl
index 7c9e736..7c9e736 100644
--- a/tools/testfiles/tpbitsUnsignedWhole.ddl
+++ b/tools/testfiles/pbits/tpbitsUnsignedWhole.ddl
diff --git a/tools/testfiles/vds/1_a.h5 b/tools/testfiles/vds/1_a.h5
new file mode 100644
index 0000000..533728f
--- /dev/null
+++ b/tools/testfiles/vds/1_a.h5
diff --git a/tools/testfiles/vds/1_b.h5 b/tools/testfiles/vds/1_b.h5
new file mode 100644
index 0000000..4195588
--- /dev/null
+++ b/tools/testfiles/vds/1_b.h5
diff --git a/tools/testfiles/vds/1_c.h5 b/tools/testfiles/vds/1_c.h5
new file mode 100644
index 0000000..cc6c2c7
--- /dev/null
+++ b/tools/testfiles/vds/1_c.h5
diff --git a/tools/testfiles/vds/1_d.h5 b/tools/testfiles/vds/1_d.h5
new file mode 100644
index 0000000..20bea0b
--- /dev/null
+++ b/tools/testfiles/vds/1_d.h5
diff --git a/tools/testfiles/vds/1_e.h5 b/tools/testfiles/vds/1_e.h5
new file mode 100644
index 0000000..43e9cea
--- /dev/null
+++ b/tools/testfiles/vds/1_e.h5
diff --git a/tools/testfiles/vds/1_f.h5 b/tools/testfiles/vds/1_f.h5
new file mode 100644
index 0000000..c49843e
--- /dev/null
+++ b/tools/testfiles/vds/1_f.h5
diff --git a/tools/testfiles/vds/1_vds.h5 b/tools/testfiles/vds/1_vds.h5
new file mode 100644
index 0000000..59c76ea
--- /dev/null
+++ b/tools/testfiles/vds/1_vds.h5
diff --git a/tools/testfiles/vds/2_a.h5 b/tools/testfiles/vds/2_a.h5
new file mode 100644
index 0000000..bba7854
--- /dev/null
+++ b/tools/testfiles/vds/2_a.h5
diff --git a/tools/testfiles/vds/2_b.h5 b/tools/testfiles/vds/2_b.h5
new file mode 100644
index 0000000..a30ff72
--- /dev/null
+++ b/tools/testfiles/vds/2_b.h5
diff --git a/tools/testfiles/vds/2_c.h5 b/tools/testfiles/vds/2_c.h5
new file mode 100644
index 0000000..bec8e65
--- /dev/null
+++ b/tools/testfiles/vds/2_c.h5
diff --git a/tools/testfiles/vds/2_d.h5 b/tools/testfiles/vds/2_d.h5
new file mode 100644
index 0000000..605ff85
--- /dev/null
+++ b/tools/testfiles/vds/2_d.h5
diff --git a/tools/testfiles/vds/2_e.h5 b/tools/testfiles/vds/2_e.h5
new file mode 100644
index 0000000..a033de1
--- /dev/null
+++ b/tools/testfiles/vds/2_e.h5
diff --git a/tools/testfiles/vds/2_vds.h5 b/tools/testfiles/vds/2_vds.h5
new file mode 100644
index 0000000..85f075a
--- /dev/null
+++ b/tools/testfiles/vds/2_vds.h5
diff --git a/tools/testfiles/vds/3_1_vds.h5 b/tools/testfiles/vds/3_1_vds.h5
new file mode 100644
index 0000000..9661907
--- /dev/null
+++ b/tools/testfiles/vds/3_1_vds.h5
diff --git a/tools/testfiles/vds/3_2_vds.h5 b/tools/testfiles/vds/3_2_vds.h5
new file mode 100644
index 0000000..c39fee4
--- /dev/null
+++ b/tools/testfiles/vds/3_2_vds.h5
diff --git a/tools/testfiles/vds/4_0.h5 b/tools/testfiles/vds/4_0.h5
new file mode 100644
index 0000000..3f5b594
--- /dev/null
+++ b/tools/testfiles/vds/4_0.h5
diff --git a/tools/testfiles/vds/4_1.h5 b/tools/testfiles/vds/4_1.h5
new file mode 100644
index 0000000..0b91398
--- /dev/null
+++ b/tools/testfiles/vds/4_1.h5
diff --git a/tools/testfiles/vds/4_2.h5 b/tools/testfiles/vds/4_2.h5
new file mode 100644
index 0000000..0ea8f8e
--- /dev/null
+++ b/tools/testfiles/vds/4_2.h5
diff --git a/tools/testfiles/vds/4_vds.h5 b/tools/testfiles/vds/4_vds.h5
new file mode 100644
index 0000000..de3457a
--- /dev/null
+++ b/tools/testfiles/vds/4_vds.h5
diff --git a/tools/testfiles/vds/5_a.h5 b/tools/testfiles/vds/5_a.h5
new file mode 100644
index 0000000..189e3b1
--- /dev/null
+++ b/tools/testfiles/vds/5_a.h5
diff --git a/tools/testfiles/vds/5_b.h5 b/tools/testfiles/vds/5_b.h5
new file mode 100644
index 0000000..49b85ac
--- /dev/null
+++ b/tools/testfiles/vds/5_b.h5
diff --git a/tools/testfiles/vds/5_c.h5 b/tools/testfiles/vds/5_c.h5
new file mode 100644
index 0000000..5ea371e
--- /dev/null
+++ b/tools/testfiles/vds/5_c.h5
diff --git a/tools/testfiles/vds/5_vds.h5 b/tools/testfiles/vds/5_vds.h5
new file mode 100644
index 0000000..bee4974
--- /dev/null
+++ b/tools/testfiles/vds/5_vds.h5
diff --git a/tools/testfiles/vds/tvds-1.ddl b/tools/testfiles/vds/tvds-1.ddl
new file mode 100644
index 0000000..47fd413
--- /dev/null
+++ b/tools/testfiles/vds/tvds-1.ddl
@@ -0,0 +1,100 @@
+HDF5 "1_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 5, 18, 8 ) / ( H5S_UNLIMITED, 18, 8 ) }
+      DATA {
+      (0,0,0): 10, 10, 10, 10, 10, 10, 10, 10,
+      (0,1,0): 10, 10, 10, 10, 10, 10, 10, 10,
+      (0,2,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,3,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,4,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,5,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,6,0): 30, 30, 30, 30, 30, 30, 30, 30,
+      (0,7,0): 30, 30, 30, 30, 30, 30, 30, 30,
+      (0,8,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,9,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,10,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,11,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,12,0): 50, 50, 50, 50, 50, 50, 50, 50,
+      (0,13,0): 50, 50, 50, 50, 50, 50, 50, 50,
+      (0,14,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,15,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,16,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,17,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (1,0,0): 11, 11, 11, 11, 11, 11, 11, 11,
+      (1,1,0): 11, 11, 11, 11, 11, 11, 11, 11,
+      (1,2,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,3,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,4,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,5,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,6,0): 31, 31, 31, 31, 31, 31, 31, 31,
+      (1,7,0): 31, 31, 31, 31, 31, 31, 31, 31,
+      (1,8,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,9,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,10,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,11,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,12,0): 51, 51, 51, 51, 51, 51, 51, 51,
+      (1,13,0): 51, 51, 51, 51, 51, 51, 51, 51,
+      (1,14,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,15,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,16,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,17,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (2,0,0): 12, 12, 12, 12, 12, 12, 12, 12,
+      (2,1,0): 12, 12, 12, 12, 12, 12, 12, 12,
+      (2,2,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,3,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,4,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,5,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,6,0): 32, 32, 32, 32, 32, 32, 32, 32,
+      (2,7,0): 32, 32, 32, 32, 32, 32, 32, 32,
+      (2,8,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,9,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,10,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,11,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,12,0): 52, 52, 52, 52, 52, 52, 52, 52,
+      (2,13,0): 52, 52, 52, 52, 52, 52, 52, 52,
+      (2,14,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,15,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,16,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,17,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (3,0,0): 13, 13, 13, 13, 13, 13, 13, 13,
+      (3,1,0): 13, 13, 13, 13, 13, 13, 13, 13,
+      (3,2,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,3,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,4,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,5,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,6,0): 33, 33, 33, 33, 33, 33, 33, 33,
+      (3,7,0): 33, 33, 33, 33, 33, 33, 33, 33,
+      (3,8,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,9,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,10,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,11,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,12,0): 53, 53, 53, 53, 53, 53, 53, 53,
+      (3,13,0): 53, 53, 53, 53, 53, 53, 53, 53,
+      (3,14,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,15,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,16,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,17,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (4,0,0): 14, 14, 14, 14, 14, 14, 14, 14,
+      (4,1,0): 14, 14, 14, 14, 14, 14, 14, 14,
+      (4,2,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,3,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,4,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,5,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,6,0): 34, 34, 34, 34, 34, 34, 34, 34,
+      (4,7,0): 34, 34, 34, 34, 34, 34, 34, 34,
+      (4,8,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,9,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,10,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,11,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,12,0): 54, 54, 54, 54, 54, 54, 54, 54,
+      (4,13,0): 54, 54, 54, 54, 54, 54, 54, 54,
+      (4,14,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,15,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,16,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,17,0): 64, 64, 64, 64, 64, 64, 64, 64
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds-2.ddl b/tools/testfiles/vds/tvds-2.ddl
new file mode 100644
index 0000000..5f2ae16
--- /dev/null
+++ b/tools/testfiles/vds/tvds-2.ddl
@@ -0,0 +1,58 @@
+HDF5 "2_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 6, 8, 14 ) / ( H5S_UNLIMITED, 8, 14 ) }
+      DATA {
+      (0,0,0): 10, 10, 10, 10, 10, 10, 10, 40, 40, 40, 40, 40, 40, 40,
+      (0,1,0): 10, 10, 10, 10, 10, 10, 10, 40, 40, 40, 40, 40, 40, 40,
+      (0,2,0): 20, 20, 20, 20, 20, 20, 20, 40, 40, 40, 40, 40, 40, 40,
+      (0,3,0): 20, 20, 20, 20, 20, 20, 20, 40, 40, 40, 40, 40, 40, 40,
+      (0,4,0): 20, 20, 20, 20, 20, 20, 20, 40, 40, 40, 40, 40, 40, 40,
+      (0,5,0): 20, 20, 20, 20, 20, 20, 20, 50, 50, 50, 50, 50, 50, 50,
+      (0,6,0): 30, 30, 30, 30, 30, 30, 30, 50, 50, 50, 50, 50, 50, 50,
+      (0,7,0): 30, 30, 30, 30, 30, 30, 30, 50, 50, 50, 50, 50, 50, 50,
+      (1,0,0): 11, 11, 11, 11, 11, 11, 11, 41, 41, 41, 41, 41, 41, 41,
+      (1,1,0): 11, 11, 11, 11, 11, 11, 11, 41, 41, 41, 41, 41, 41, 41,
+      (1,2,0): 21, 21, 21, 21, 21, 21, 21, 41, 41, 41, 41, 41, 41, 41,
+      (1,3,0): 21, 21, 21, 21, 21, 21, 21, 41, 41, 41, 41, 41, 41, 41,
+      (1,4,0): 21, 21, 21, 21, 21, 21, 21, 41, 41, 41, 41, 41, 41, 41,
+      (1,5,0): 21, 21, 21, 21, 21, 21, 21, 51, 51, 51, 51, 51, 51, 51,
+      (1,6,0): 31, 31, 31, 31, 31, 31, 31, 51, 51, 51, 51, 51, 51, 51,
+      (1,7,0): 31, 31, 31, 31, 31, 31, 31, 51, 51, 51, 51, 51, 51, 51,
+      (2,0,0): 12, 12, 12, 12, 12, 12, 12, 42, 42, 42, 42, 42, 42, 42,
+      (2,1,0): 12, 12, 12, 12, 12, 12, 12, 42, 42, 42, 42, 42, 42, 42,
+      (2,2,0): 22, 22, 22, 22, 22, 22, 22, 42, 42, 42, 42, 42, 42, 42,
+      (2,3,0): 22, 22, 22, 22, 22, 22, 22, 42, 42, 42, 42, 42, 42, 42,
+      (2,4,0): 22, 22, 22, 22, 22, 22, 22, 42, 42, 42, 42, 42, 42, 42,
+      (2,5,0): 22, 22, 22, 22, 22, 22, 22, 52, 52, 52, 52, 52, 52, 52,
+      (2,6,0): 32, 32, 32, 32, 32, 32, 32, 52, 52, 52, 52, 52, 52, 52,
+      (2,7,0): 32, 32, 32, 32, 32, 32, 32, 52, 52, 52, 52, 52, 52, 52,
+      (3,0,0): 13, 13, 13, 13, 13, 13, 13, 43, 43, 43, 43, 43, 43, 43,
+      (3,1,0): 13, 13, 13, 13, 13, 13, 13, 43, 43, 43, 43, 43, 43, 43,
+      (3,2,0): 23, 23, 23, 23, 23, 23, 23, 43, 43, 43, 43, 43, 43, 43,
+      (3,3,0): 23, 23, 23, 23, 23, 23, 23, 43, 43, 43, 43, 43, 43, 43,
+      (3,4,0): 23, 23, 23, 23, 23, 23, 23, 43, 43, 43, 43, 43, 43, 43,
+      (3,5,0): 23, 23, 23, 23, 23, 23, 23, 53, 53, 53, 53, 53, 53, 53,
+      (3,6,0): 33, 33, 33, 33, 33, 33, 33, 53, 53, 53, 53, 53, 53, 53,
+      (3,7,0): 33, 33, 33, 33, 33, 33, 33, 53, 53, 53, 53, 53, 53, 53,
+      (4,0,0): 14, 14, 14, 14, 14, 14, 14, 44, 44, 44, 44, 44, 44, 44,
+      (4,1,0): 14, 14, 14, 14, 14, 14, 14, 44, 44, 44, 44, 44, 44, 44,
+      (4,2,0): 24, 24, 24, 24, 24, 24, 24, 44, 44, 44, 44, 44, 44, 44,
+      (4,3,0): 24, 24, 24, 24, 24, 24, 24, 44, 44, 44, 44, 44, 44, 44,
+      (4,4,0): 24, 24, 24, 24, 24, 24, 24, 44, 44, 44, 44, 44, 44, 44,
+      (4,5,0): 24, 24, 24, 24, 24, 24, 24, 54, 54, 54, 54, 54, 54, 54,
+      (4,6,0): 34, 34, 34, 34, 34, 34, 34, 54, 54, 54, 54, 54, 54, 54,
+      (4,7,0): 34, 34, 34, 34, 34, 34, 34, 54, 54, 54, 54, 54, 54, 54,
+      (5,0,0): 15, 15, 15, 15, 15, 15, 15, 45, 45, 45, 45, 45, 45, 45,
+      (5,1,0): 15, 15, 15, 15, 15, 15, 15, 45, 45, 45, 45, 45, 45, 45,
+      (5,2,0): 25, 25, 25, 25, 25, 25, 25, 45, 45, 45, 45, 45, 45, 45,
+      (5,3,0): 25, 25, 25, 25, 25, 25, 25, 45, 45, 45, 45, 45, 45, 45,
+      (5,4,0): 25, 25, 25, 25, 25, 25, 25, 45, 45, 45, 45, 45, 45, 45,
+      (5,5,0): 25, 25, 25, 25, 25, 25, 25, 55, 55, 55, 55, 55, 55, 55,
+      (5,6,0): 35, 35, 35, 35, 35, 35, 35, 55, 55, 55, 55, 55, 55, 55,
+      (5,7,0): 35, 35, 35, 35, 35, 35, 35, 55, 55, 55, 55, 55, 55, 55
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds-3_1.ddl b/tools/testfiles/vds/tvds-3_1.ddl
new file mode 100644
index 0000000..7d7d8b6
--- /dev/null
+++ b/tools/testfiles/vds/tvds-3_1.ddl
@@ -0,0 +1,135 @@
+HDF5 "3_1_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 5, 25, 8 ) / ( H5S_UNLIMITED, 25, 8 ) }
+      DATA {
+      (0,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,1,0): 10, 10, 10, 10, 10, 10, 10, 10,
+      (0,2,0): 10, 10, 10, 10, 10, 10, 10, 10,
+      (0,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,4,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,5,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,6,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,7,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,9,0): 30, 30, 30, 30, 30, 30, 30, 30,
+      (0,10,0): 30, 30, 30, 30, 30, 30, 30, 30,
+      (0,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,12,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,13,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,14,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,15,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,17,0): 50, 50, 50, 50, 50, 50, 50, 50,
+      (0,18,0): 50, 50, 50, 50, 50, 50, 50, 50,
+      (0,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,20,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,21,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,22,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,23,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,24,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,1,0): 11, 11, 11, 11, 11, 11, 11, 11,
+      (1,2,0): 11, 11, 11, 11, 11, 11, 11, 11,
+      (1,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,4,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,5,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,6,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,7,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,9,0): 31, 31, 31, 31, 31, 31, 31, 31,
+      (1,10,0): 31, 31, 31, 31, 31, 31, 31, 31,
+      (1,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,12,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,13,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,14,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,15,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,17,0): 51, 51, 51, 51, 51, 51, 51, 51,
+      (1,18,0): 51, 51, 51, 51, 51, 51, 51, 51,
+      (1,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,20,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,21,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,22,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,23,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,24,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,1,0): 12, 12, 12, 12, 12, 12, 12, 12,
+      (2,2,0): 12, 12, 12, 12, 12, 12, 12, 12,
+      (2,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,4,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,5,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,6,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,7,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,9,0): 32, 32, 32, 32, 32, 32, 32, 32,
+      (2,10,0): 32, 32, 32, 32, 32, 32, 32, 32,
+      (2,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,12,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,13,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,14,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,15,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,17,0): 52, 52, 52, 52, 52, 52, 52, 52,
+      (2,18,0): 52, 52, 52, 52, 52, 52, 52, 52,
+      (2,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,20,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,21,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,22,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,23,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,24,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,1,0): 13, 13, 13, 13, 13, 13, 13, 13,
+      (3,2,0): 13, 13, 13, 13, 13, 13, 13, 13,
+      (3,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,4,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,5,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,6,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,7,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,9,0): 33, 33, 33, 33, 33, 33, 33, 33,
+      (3,10,0): 33, 33, 33, 33, 33, 33, 33, 33,
+      (3,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,12,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,13,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,14,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,15,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,17,0): 53, 53, 53, 53, 53, 53, 53, 53,
+      (3,18,0): 53, 53, 53, 53, 53, 53, 53, 53,
+      (3,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,20,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,21,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,22,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,23,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,24,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,1,0): 14, 14, 14, 14, 14, 14, 14, 14,
+      (4,2,0): 14, 14, 14, 14, 14, 14, 14, 14,
+      (4,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,4,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,5,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,6,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,7,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,9,0): 34, 34, 34, 34, 34, 34, 34, 34,
+      (4,10,0): 34, 34, 34, 34, 34, 34, 34, 34,
+      (4,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,12,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,13,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,14,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,15,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,17,0): 54, 54, 54, 54, 54, 54, 54, 54,
+      (4,18,0): 54, 54, 54, 54, 54, 54, 54, 54,
+      (4,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,20,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,21,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,22,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,23,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,24,0): -9, -9, -9, -9, -9, -9, -9, -9
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds-3_2.ddl b/tools/testfiles/vds/tvds-3_2.ddl
new file mode 100644
index 0000000..baec6f0
--- /dev/null
+++ b/tools/testfiles/vds/tvds-3_2.ddl
@@ -0,0 +1,166 @@
+HDF5 "3_2_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 6, 13, 19 ) / ( H5S_UNLIMITED, 13, 19 ) }
+      DATA {
+      (0,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,0,15): -9, -9, -9, -9,
+      (0,1,0): -9, 10, 10, 10, 10, 10, 10, 10, -9, 40, 40, 40, 40, 40, 40,
+      (0,1,15): 40, -9, -9, -9,
+      (0,2,0): -9, 10, 10, 10, 10, 10, 10, 10, -9, 40, 40, 40, 40, 40, 40,
+      (0,2,15): 40, -9, -9, -9,
+      (0,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 40, 40, 40, 40, 40, 40,
+      (0,3,15): 40, -9, -9, -9,
+      (0,4,0): 20, 20, 20, 20, 20, 20, 20, -9, -9, 40, 40, 40, 40, 40, 40,
+      (0,4,15): 40, -9, -9, -9,
+      (0,5,0): 20, 20, 20, 20, 20, 20, 20, -9, -9, 40, 40, 40, 40, 40, 40,
+      (0,5,15): 40, -9, -9, -9,
+      (0,6,0): 20, 20, 20, 20, 20, 20, 20, -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,6,15): -9, -9, -9, -9,
+      (0,7,0): 20, 20, 20, 20, 20, 20, 20, -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,7,15): -9, -9, -9, -9,
+      (0,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 50, 50, 50,
+      (0,8,15): 50, 50, 50, 50,
+      (0,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 50, 50, 50,
+      (0,9,15): 50, 50, 50, 50,
+      (0,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 50, 50, 50,
+      (0,10,15): 50, 50, 50, 50,
+      (0,11,0): -9, -9, -9, -9, 30, 30, 30, 30, 30, 30, 30, -9, -9, -9, -9,
+      (0,11,15): -9, -9, -9, -9,
+      (0,12,0): -9, -9, -9, -9, 30, 30, 30, 30, 30, 30, 30, -9, -9, -9, -9,
+      (0,12,15): -9, -9, -9, -9,
+      (1,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,0,15): -9, -9, -9, -9,
+      (1,1,0): -9, 11, 11, 11, 11, 11, 11, 11, -9, 41, 41, 41, 41, 41, 41,
+      (1,1,15): 41, -9, -9, -9,
+      (1,2,0): -9, 11, 11, 11, 11, 11, 11, 11, -9, 41, 41, 41, 41, 41, 41,
+      (1,2,15): 41, -9, -9, -9,
+      (1,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 41, 41, 41, 41, 41, 41,
+      (1,3,15): 41, -9, -9, -9,
+      (1,4,0): 21, 21, 21, 21, 21, 21, 21, -9, -9, 41, 41, 41, 41, 41, 41,
+      (1,4,15): 41, -9, -9, -9,
+      (1,5,0): 21, 21, 21, 21, 21, 21, 21, -9, -9, 41, 41, 41, 41, 41, 41,
+      (1,5,15): 41, -9, -9, -9,
+      (1,6,0): 21, 21, 21, 21, 21, 21, 21, -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,6,15): -9, -9, -9, -9,
+      (1,7,0): 21, 21, 21, 21, 21, 21, 21, -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,7,15): -9, -9, -9, -9,
+      (1,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 51, 51, 51,
+      (1,8,15): 51, 51, 51, 51,
+      (1,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 51, 51, 51,
+      (1,9,15): 51, 51, 51, 51,
+      (1,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 51, 51, 51,
+      (1,10,15): 51, 51, 51, 51,
+      (1,11,0): -9, -9, -9, -9, 31, 31, 31, 31, 31, 31, 31, -9, -9, -9, -9,
+      (1,11,15): -9, -9, -9, -9,
+      (1,12,0): -9, -9, -9, -9, 31, 31, 31, 31, 31, 31, 31, -9, -9, -9, -9,
+      (1,12,15): -9, -9, -9, -9,
+      (2,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,0,15): -9, -9, -9, -9,
+      (2,1,0): -9, 12, 12, 12, 12, 12, 12, 12, -9, 42, 42, 42, 42, 42, 42,
+      (2,1,15): 42, -9, -9, -9,
+      (2,2,0): -9, 12, 12, 12, 12, 12, 12, 12, -9, 42, 42, 42, 42, 42, 42,
+      (2,2,15): 42, -9, -9, -9,
+      (2,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 42, 42, 42, 42, 42, 42,
+      (2,3,15): 42, -9, -9, -9,
+      (2,4,0): 22, 22, 22, 22, 22, 22, 22, -9, -9, 42, 42, 42, 42, 42, 42,
+      (2,4,15): 42, -9, -9, -9,
+      (2,5,0): 22, 22, 22, 22, 22, 22, 22, -9, -9, 42, 42, 42, 42, 42, 42,
+      (2,5,15): 42, -9, -9, -9,
+      (2,6,0): 22, 22, 22, 22, 22, 22, 22, -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,6,15): -9, -9, -9, -9,
+      (2,7,0): 22, 22, 22, 22, 22, 22, 22, -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,7,15): -9, -9, -9, -9,
+      (2,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 52, 52, 52,
+      (2,8,15): 52, 52, 52, 52,
+      (2,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 52, 52, 52,
+      (2,9,15): 52, 52, 52, 52,
+      (2,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 52, 52, 52,
+      (2,10,15): 52, 52, 52, 52,
+      (2,11,0): -9, -9, -9, -9, 32, 32, 32, 32, 32, 32, 32, -9, -9, -9, -9,
+      (2,11,15): -9, -9, -9, -9,
+      (2,12,0): -9, -9, -9, -9, 32, 32, 32, 32, 32, 32, 32, -9, -9, -9, -9,
+      (2,12,15): -9, -9, -9, -9,
+      (3,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,0,15): -9, -9, -9, -9,
+      (3,1,0): -9, 13, 13, 13, 13, 13, 13, 13, -9, 43, 43, 43, 43, 43, 43,
+      (3,1,15): 43, -9, -9, -9,
+      (3,2,0): -9, 13, 13, 13, 13, 13, 13, 13, -9, 43, 43, 43, 43, 43, 43,
+      (3,2,15): 43, -9, -9, -9,
+      (3,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 43, 43, 43, 43, 43, 43,
+      (3,3,15): 43, -9, -9, -9,
+      (3,4,0): 23, 23, 23, 23, 23, 23, 23, -9, -9, 43, 43, 43, 43, 43, 43,
+      (3,4,15): 43, -9, -9, -9,
+      (3,5,0): 23, 23, 23, 23, 23, 23, 23, -9, -9, 43, 43, 43, 43, 43, 43,
+      (3,5,15): 43, -9, -9, -9,
+      (3,6,0): 23, 23, 23, 23, 23, 23, 23, -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,6,15): -9, -9, -9, -9,
+      (3,7,0): 23, 23, 23, 23, 23, 23, 23, -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,7,15): -9, -9, -9, -9,
+      (3,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 53, 53, 53,
+      (3,8,15): 53, 53, 53, 53,
+      (3,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 53, 53, 53,
+      (3,9,15): 53, 53, 53, 53,
+      (3,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 53, 53, 53,
+      (3,10,15): 53, 53, 53, 53,
+      (3,11,0): -9, -9, -9, -9, 33, 33, 33, 33, 33, 33, 33, -9, -9, -9, -9,
+      (3,11,15): -9, -9, -9, -9,
+      (3,12,0): -9, -9, -9, -9, 33, 33, 33, 33, 33, 33, 33, -9, -9, -9, -9,
+      (3,12,15): -9, -9, -9, -9,
+      (4,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,0,15): -9, -9, -9, -9,
+      (4,1,0): -9, 14, 14, 14, 14, 14, 14, 14, -9, 44, 44, 44, 44, 44, 44,
+      (4,1,15): 44, -9, -9, -9,
+      (4,2,0): -9, 14, 14, 14, 14, 14, 14, 14, -9, 44, 44, 44, 44, 44, 44,
+      (4,2,15): 44, -9, -9, -9,
+      (4,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 44, 44, 44, 44, 44, 44,
+      (4,3,15): 44, -9, -9, -9,
+      (4,4,0): 24, 24, 24, 24, 24, 24, 24, -9, -9, 44, 44, 44, 44, 44, 44,
+      (4,4,15): 44, -9, -9, -9,
+      (4,5,0): 24, 24, 24, 24, 24, 24, 24, -9, -9, 44, 44, 44, 44, 44, 44,
+      (4,5,15): 44, -9, -9, -9,
+      (4,6,0): 24, 24, 24, 24, 24, 24, 24, -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,6,15): -9, -9, -9, -9,
+      (4,7,0): 24, 24, 24, 24, 24, 24, 24, -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,7,15): -9, -9, -9, -9,
+      (4,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 54, 54, 54,
+      (4,8,15): 54, 54, 54, 54,
+      (4,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 54, 54, 54,
+      (4,9,15): 54, 54, 54, 54,
+      (4,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 54, 54, 54,
+      (4,10,15): 54, 54, 54, 54,
+      (4,11,0): -9, -9, -9, -9, 34, 34, 34, 34, 34, 34, 34, -9, -9, -9, -9,
+      (4,11,15): -9, -9, -9, -9,
+      (4,12,0): -9, -9, -9, -9, 34, 34, 34, 34, 34, 34, 34, -9, -9, -9, -9,
+      (4,12,15): -9, -9, -9, -9,
+      (5,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (5,0,15): -9, -9, -9, -9,
+      (5,1,0): -9, 15, 15, 15, 15, 15, 15, 15, -9, 45, 45, 45, 45, 45, 45,
+      (5,1,15): 45, -9, -9, -9,
+      (5,2,0): -9, 15, 15, 15, 15, 15, 15, 15, -9, 45, 45, 45, 45, 45, 45,
+      (5,2,15): 45, -9, -9, -9,
+      (5,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 45, 45, 45, 45, 45, 45,
+      (5,3,15): 45, -9, -9, -9,
+      (5,4,0): 25, 25, 25, 25, 25, 25, 25, -9, -9, 45, 45, 45, 45, 45, 45,
+      (5,4,15): 45, -9, -9, -9,
+      (5,5,0): 25, 25, 25, 25, 25, 25, 25, -9, -9, 45, 45, 45, 45, 45, 45,
+      (5,5,15): 45, -9, -9, -9,
+      (5,6,0): 25, 25, 25, 25, 25, 25, 25, -9, -9, -9, -9, -9, -9, -9, -9,
+      (5,6,15): -9, -9, -9, -9,
+      (5,7,0): 25, 25, 25, 25, 25, 25, 25, -9, -9, -9, -9, -9, -9, -9, -9,
+      (5,7,15): -9, -9, -9, -9,
+      (5,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 55, 55, 55,
+      (5,8,15): 55, 55, 55, 55,
+      (5,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 55, 55, 55,
+      (5,9,15): 55, 55, 55, 55,
+      (5,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 55, 55, 55,
+      (5,10,15): 55, 55, 55, 55,
+      (5,11,0): -9, -9, -9, -9, 35, 35, 35, 35, 35, 35, 35, -9, -9, -9, -9,
+      (5,11,15): -9, -9, -9, -9,
+      (5,12,0): -9, -9, -9, -9, 35, 35, 35, 35, 35, 35, 35, -9, -9, -9, -9,
+      (5,12,15): -9, -9, -9, -9
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds-4.ddl b/tools/testfiles/vds/tvds-4.ddl
new file mode 100644
index 0000000..1832724
--- /dev/null
+++ b/tools/testfiles/vds/tvds-4.ddl
@@ -0,0 +1,46 @@
+HDF5 "4_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 9, 4, 4 ) / ( H5S_UNLIMITED, 4, 4 ) }
+      DATA {
+      (0,0,0): 10, 10, 10, 10,
+      (0,1,0): 10, 10, 10, 10,
+      (0,2,0): 10, 10, 10, 10,
+      (0,3,0): 10, 10, 10, 10,
+      (1,0,0): 11, 11, 11, 11,
+      (1,1,0): 11, 11, 11, 11,
+      (1,2,0): 11, 11, 11, 11,
+      (1,3,0): 11, 11, 11, 11,
+      (2,0,0): 12, 12, 12, 12,
+      (2,1,0): 12, 12, 12, 12,
+      (2,2,0): 12, 12, 12, 12,
+      (2,3,0): 12, 12, 12, 12,
+      (3,0,0): 20, 20, 20, 20,
+      (3,1,0): 20, 20, 20, 20,
+      (3,2,0): 20, 20, 20, 20,
+      (3,3,0): 20, 20, 20, 20,
+      (4,0,0): 21, 21, 21, 21,
+      (4,1,0): 21, 21, 21, 21,
+      (4,2,0): 21, 21, 21, 21,
+      (4,3,0): 21, 21, 21, 21,
+      (5,0,0): 22, 22, 22, 22,
+      (5,1,0): 22, 22, 22, 22,
+      (5,2,0): 22, 22, 22, 22,
+      (5,3,0): 22, 22, 22, 22,
+      (6,0,0): 30, 30, 30, 30,
+      (6,1,0): 30, 30, 30, 30,
+      (6,2,0): 30, 30, 30, 30,
+      (6,3,0): 30, 30, 30, 30,
+      (7,0,0): 31, 31, 31, 31,
+      (7,1,0): 31, 31, 31, 31,
+      (7,2,0): 31, 31, 31, 31,
+      (7,3,0): 31, 31, 31, 31,
+      (8,0,0): 32, 32, 32, 32,
+      (8,1,0): 32, 32, 32, 32,
+      (8,2,0): 32, 32, 32, 32,
+      (8,3,0): 32, 32, 32, 32
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds-5.ddl b/tools/testfiles/vds/tvds-5.ddl
new file mode 100644
index 0000000..f59017b
--- /dev/null
+++ b/tools/testfiles/vds/tvds-5.ddl
@@ -0,0 +1,46 @@
+HDF5 "5_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 9, 4, 4 ) / ( H5S_UNLIMITED, 4, 4 ) }
+      DATA {
+      (0,0,0): 10, 10, 10, 10,
+      (0,1,0): 10, 10, 10, 10,
+      (0,2,0): 10, 10, 10, 10,
+      (0,3,0): 10, 10, 10, 10,
+      (1,0,0): 20, 20, 20, 20,
+      (1,1,0): 20, 20, 20, 20,
+      (1,2,0): 20, 20, 20, 20,
+      (1,3,0): 20, 20, 20, 20,
+      (2,0,0): 30, 30, 30, 30,
+      (2,1,0): 30, 30, 30, 30,
+      (2,2,0): 30, 30, 30, 30,
+      (2,3,0): 30, 30, 30, 30,
+      (3,0,0): 11, 11, 11, 11,
+      (3,1,0): 11, 11, 11, 11,
+      (3,2,0): 11, 11, 11, 11,
+      (3,3,0): 11, 11, 11, 11,
+      (4,0,0): 21, 21, 21, 21,
+      (4,1,0): 21, 21, 21, 21,
+      (4,2,0): 21, 21, 21, 21,
+      (4,3,0): 21, 21, 21, 21,
+      (5,0,0): 31, 31, 31, 31,
+      (5,1,0): 31, 31, 31, 31,
+      (5,2,0): 31, 31, 31, 31,
+      (5,3,0): 31, 31, 31, 31,
+      (6,0,0): 12, 12, 12, 12,
+      (6,1,0): 12, 12, 12, 12,
+      (6,2,0): 12, 12, 12, 12,
+      (6,3,0): 12, 12, 12, 12,
+      (7,0,0): 22, 22, 22, 22,
+      (7,1,0): 22, 22, 22, 22,
+      (7,2,0): 22, 22, 22, 22,
+      (7,3,0): 22, 22, 22, 22,
+      (8,0,0): 32, 32, 32, 32,
+      (8,1,0): 32, 32, 32, 32,
+      (8,2,0): 32, 32, 32, 32,
+      (8,3,0): 32, 32, 32, 32
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds_layout-1.ddl b/tools/testfiles/vds/tvds_layout-1.ddl
new file mode 100644
index 0000000..5d8a62c
--- /dev/null
+++ b/tools/testfiles/vds/tvds_layout-1.ddl
@@ -0,0 +1,232 @@
+HDF5 "1_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 5, 18, 8 ) / ( H5S_UNLIMITED, 18, 8 ) }
+      STORAGE_LAYOUT {
+         MAPPING 0 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+            SOURCE {
+               FILE "1_a.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+         }
+         MAPPING 1 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,2,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+            SOURCE {
+               FILE "1_b.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+         }
+         MAPPING 2 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,6,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+            SOURCE {
+               FILE "1_c.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+         }
+         MAPPING 3 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,8,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+            SOURCE {
+               FILE "1_d.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+         }
+         MAPPING 4 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,12,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+            SOURCE {
+               FILE "1_e.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+         }
+         MAPPING 5 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,14,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+            SOURCE {
+               FILE "1_f.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+         }
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  -9
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_INCR
+      }
+      DATA {
+      (0,0,0): 10, 10, 10, 10, 10, 10, 10, 10,
+      (0,1,0): 10, 10, 10, 10, 10, 10, 10, 10,
+      (0,2,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,3,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,4,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,5,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,6,0): 30, 30, 30, 30, 30, 30, 30, 30,
+      (0,7,0): 30, 30, 30, 30, 30, 30, 30, 30,
+      (0,8,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,9,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,10,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,11,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,12,0): 50, 50, 50, 50, 50, 50, 50, 50,
+      (0,13,0): 50, 50, 50, 50, 50, 50, 50, 50,
+      (0,14,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,15,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,16,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,17,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (1,0,0): 11, 11, 11, 11, 11, 11, 11, 11,
+      (1,1,0): 11, 11, 11, 11, 11, 11, 11, 11,
+      (1,2,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,3,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,4,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,5,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,6,0): 31, 31, 31, 31, 31, 31, 31, 31,
+      (1,7,0): 31, 31, 31, 31, 31, 31, 31, 31,
+      (1,8,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,9,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,10,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,11,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,12,0): 51, 51, 51, 51, 51, 51, 51, 51,
+      (1,13,0): 51, 51, 51, 51, 51, 51, 51, 51,
+      (1,14,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,15,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,16,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,17,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (2,0,0): 12, 12, 12, 12, 12, 12, 12, 12,
+      (2,1,0): 12, 12, 12, 12, 12, 12, 12, 12,
+      (2,2,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,3,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,4,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,5,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,6,0): 32, 32, 32, 32, 32, 32, 32, 32,
+      (2,7,0): 32, 32, 32, 32, 32, 32, 32, 32,
+      (2,8,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,9,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,10,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,11,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,12,0): 52, 52, 52, 52, 52, 52, 52, 52,
+      (2,13,0): 52, 52, 52, 52, 52, 52, 52, 52,
+      (2,14,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,15,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,16,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,17,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (3,0,0): 13, 13, 13, 13, 13, 13, 13, 13,
+      (3,1,0): 13, 13, 13, 13, 13, 13, 13, 13,
+      (3,2,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,3,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,4,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,5,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,6,0): 33, 33, 33, 33, 33, 33, 33, 33,
+      (3,7,0): 33, 33, 33, 33, 33, 33, 33, 33,
+      (3,8,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,9,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,10,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,11,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,12,0): 53, 53, 53, 53, 53, 53, 53, 53,
+      (3,13,0): 53, 53, 53, 53, 53, 53, 53, 53,
+      (3,14,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,15,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,16,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,17,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (4,0,0): 14, 14, 14, 14, 14, 14, 14, 14,
+      (4,1,0): 14, 14, 14, 14, 14, 14, 14, 14,
+      (4,2,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,3,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,4,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,5,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,6,0): 34, 34, 34, 34, 34, 34, 34, 34,
+      (4,7,0): 34, 34, 34, 34, 34, 34, 34, 34,
+      (4,8,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,9,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,10,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,11,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,12,0): 54, 54, 54, 54, 54, 54, 54, 54,
+      (4,13,0): 54, 54, 54, 54, 54, 54, 54, 54,
+      (4,14,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,15,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,16,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,17,0): 64, 64, 64, 64, 64, 64, 64, 64
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds_layout-2.ddl b/tools/testfiles/vds/tvds_layout-2.ddl
new file mode 100644
index 0000000..af6b718
--- /dev/null
+++ b/tools/testfiles/vds/tvds_layout-2.ddl
@@ -0,0 +1,170 @@
+HDF5 "2_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 6, 8, 14 ) / ( H5S_UNLIMITED, 8, 14 ) }
+      STORAGE_LAYOUT {
+         MAPPING 0 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,7)
+               }
+            }
+            SOURCE {
+               FILE "2_a.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,7)
+               }
+            }
+         }
+         MAPPING 1 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,2,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,7)
+               }
+            }
+            SOURCE {
+               FILE "2_b.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,7)
+               }
+            }
+         }
+         MAPPING 2 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,6,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,7)
+               }
+            }
+            SOURCE {
+               FILE "2_c.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,7)
+               }
+            }
+         }
+         MAPPING 3 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,7)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,5,7)
+               }
+            }
+            SOURCE {
+               FILE "2_d.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,5,7)
+               }
+            }
+         }
+         MAPPING 4 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,5,7)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,3,7)
+               }
+            }
+            SOURCE {
+               FILE "2_e.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,3,7)
+               }
+            }
+         }
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  -9
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_INCR
+      }
+      DATA {
+      (0,0,0): 10, 10, 10, 10, 10, 10, 10, 40, 40, 40, 40, 40, 40, 40,
+      (0,1,0): 10, 10, 10, 10, 10, 10, 10, 40, 40, 40, 40, 40, 40, 40,
+      (0,2,0): 20, 20, 20, 20, 20, 20, 20, 40, 40, 40, 40, 40, 40, 40,
+      (0,3,0): 20, 20, 20, 20, 20, 20, 20, 40, 40, 40, 40, 40, 40, 40,
+      (0,4,0): 20, 20, 20, 20, 20, 20, 20, 40, 40, 40, 40, 40, 40, 40,
+      (0,5,0): 20, 20, 20, 20, 20, 20, 20, 50, 50, 50, 50, 50, 50, 50,
+      (0,6,0): 30, 30, 30, 30, 30, 30, 30, 50, 50, 50, 50, 50, 50, 50,
+      (0,7,0): 30, 30, 30, 30, 30, 30, 30, 50, 50, 50, 50, 50, 50, 50,
+      (1,0,0): 11, 11, 11, 11, 11, 11, 11, 41, 41, 41, 41, 41, 41, 41,
+      (1,1,0): 11, 11, 11, 11, 11, 11, 11, 41, 41, 41, 41, 41, 41, 41,
+      (1,2,0): 21, 21, 21, 21, 21, 21, 21, 41, 41, 41, 41, 41, 41, 41,
+      (1,3,0): 21, 21, 21, 21, 21, 21, 21, 41, 41, 41, 41, 41, 41, 41,
+      (1,4,0): 21, 21, 21, 21, 21, 21, 21, 41, 41, 41, 41, 41, 41, 41,
+      (1,5,0): 21, 21, 21, 21, 21, 21, 21, 51, 51, 51, 51, 51, 51, 51,
+      (1,6,0): 31, 31, 31, 31, 31, 31, 31, 51, 51, 51, 51, 51, 51, 51,
+      (1,7,0): 31, 31, 31, 31, 31, 31, 31, 51, 51, 51, 51, 51, 51, 51,
+      (2,0,0): 12, 12, 12, 12, 12, 12, 12, 42, 42, 42, 42, 42, 42, 42,
+      (2,1,0): 12, 12, 12, 12, 12, 12, 12, 42, 42, 42, 42, 42, 42, 42,
+      (2,2,0): 22, 22, 22, 22, 22, 22, 22, 42, 42, 42, 42, 42, 42, 42,
+      (2,3,0): 22, 22, 22, 22, 22, 22, 22, 42, 42, 42, 42, 42, 42, 42,
+      (2,4,0): 22, 22, 22, 22, 22, 22, 22, 42, 42, 42, 42, 42, 42, 42,
+      (2,5,0): 22, 22, 22, 22, 22, 22, 22, 52, 52, 52, 52, 52, 52, 52,
+      (2,6,0): 32, 32, 32, 32, 32, 32, 32, 52, 52, 52, 52, 52, 52, 52,
+      (2,7,0): 32, 32, 32, 32, 32, 32, 32, 52, 52, 52, 52, 52, 52, 52,
+      (3,0,0): 13, 13, 13, 13, 13, 13, 13, 43, 43, 43, 43, 43, 43, 43,
+      (3,1,0): 13, 13, 13, 13, 13, 13, 13, 43, 43, 43, 43, 43, 43, 43,
+      (3,2,0): 23, 23, 23, 23, 23, 23, 23, 43, 43, 43, 43, 43, 43, 43,
+      (3,3,0): 23, 23, 23, 23, 23, 23, 23, 43, 43, 43, 43, 43, 43, 43,
+      (3,4,0): 23, 23, 23, 23, 23, 23, 23, 43, 43, 43, 43, 43, 43, 43,
+      (3,5,0): 23, 23, 23, 23, 23, 23, 23, 53, 53, 53, 53, 53, 53, 53,
+      (3,6,0): 33, 33, 33, 33, 33, 33, 33, 53, 53, 53, 53, 53, 53, 53,
+      (3,7,0): 33, 33, 33, 33, 33, 33, 33, 53, 53, 53, 53, 53, 53, 53,
+      (4,0,0): 14, 14, 14, 14, 14, 14, 14, 44, 44, 44, 44, 44, 44, 44,
+      (4,1,0): 14, 14, 14, 14, 14, 14, 14, 44, 44, 44, 44, 44, 44, 44,
+      (4,2,0): 24, 24, 24, 24, 24, 24, 24, 44, 44, 44, 44, 44, 44, 44,
+      (4,3,0): 24, 24, 24, 24, 24, 24, 24, 44, 44, 44, 44, 44, 44, 44,
+      (4,4,0): 24, 24, 24, 24, 24, 24, 24, 44, 44, 44, 44, 44, 44, 44,
+      (4,5,0): 24, 24, 24, 24, 24, 24, 24, 54, 54, 54, 54, 54, 54, 54,
+      (4,6,0): 34, 34, 34, 34, 34, 34, 34, 54, 54, 54, 54, 54, 54, 54,
+      (4,7,0): 34, 34, 34, 34, 34, 34, 34, 54, 54, 54, 54, 54, 54, 54,
+      (5,0,0): 15, 15, 15, 15, 15, 15, 15, 45, 45, 45, 45, 45, 45, 45,
+      (5,1,0): 15, 15, 15, 15, 15, 15, 15, 45, 45, 45, 45, 45, 45, 45,
+      (5,2,0): 25, 25, 25, 25, 25, 25, 25, 45, 45, 45, 45, 45, 45, 45,
+      (5,3,0): 25, 25, 25, 25, 25, 25, 25, 45, 45, 45, 45, 45, 45, 45,
+      (5,4,0): 25, 25, 25, 25, 25, 25, 25, 45, 45, 45, 45, 45, 45, 45,
+      (5,5,0): 25, 25, 25, 25, 25, 25, 25, 55, 55, 55, 55, 55, 55, 55,
+      (5,6,0): 35, 35, 35, 35, 35, 35, 35, 55, 55, 55, 55, 55, 55, 55,
+      (5,7,0): 35, 35, 35, 35, 35, 35, 35, 55, 55, 55, 55, 55, 55, 55
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds_layout-3_1.ddl b/tools/testfiles/vds/tvds_layout-3_1.ddl
new file mode 100644
index 0000000..968327d
--- /dev/null
+++ b/tools/testfiles/vds/tvds_layout-3_1.ddl
@@ -0,0 +1,267 @@
+HDF5 "3_1_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 5, 25, 8 ) / ( H5S_UNLIMITED, 25, 8 ) }
+      STORAGE_LAYOUT {
+         MAPPING 0 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,1,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+            SOURCE {
+               FILE "1_a.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+         }
+         MAPPING 1 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,4,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+            SOURCE {
+               FILE "1_b.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+         }
+         MAPPING 2 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,9,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+            SOURCE {
+               FILE "1_c.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+         }
+         MAPPING 3 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,12,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+            SOURCE {
+               FILE "1_d.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+         }
+         MAPPING 4 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,17,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+            SOURCE {
+               FILE "1_e.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,8)
+               }
+            }
+         }
+         MAPPING 5 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,20,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+            SOURCE {
+               FILE "1_f.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,8)
+               }
+            }
+         }
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  -9
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_INCR
+      }
+      DATA {
+      (0,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,1,0): 10, 10, 10, 10, 10, 10, 10, 10,
+      (0,2,0): 10, 10, 10, 10, 10, 10, 10, 10,
+      (0,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,4,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,5,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,6,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,7,0): 20, 20, 20, 20, 20, 20, 20, 20,
+      (0,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,9,0): 30, 30, 30, 30, 30, 30, 30, 30,
+      (0,10,0): 30, 30, 30, 30, 30, 30, 30, 30,
+      (0,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,12,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,13,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,14,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,15,0): 40, 40, 40, 40, 40, 40, 40, 40,
+      (0,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,17,0): 50, 50, 50, 50, 50, 50, 50, 50,
+      (0,18,0): 50, 50, 50, 50, 50, 50, 50, 50,
+      (0,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,20,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,21,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,22,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,23,0): 60, 60, 60, 60, 60, 60, 60, 60,
+      (0,24,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,1,0): 11, 11, 11, 11, 11, 11, 11, 11,
+      (1,2,0): 11, 11, 11, 11, 11, 11, 11, 11,
+      (1,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,4,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,5,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,6,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,7,0): 21, 21, 21, 21, 21, 21, 21, 21,
+      (1,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,9,0): 31, 31, 31, 31, 31, 31, 31, 31,
+      (1,10,0): 31, 31, 31, 31, 31, 31, 31, 31,
+      (1,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,12,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,13,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,14,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,15,0): 41, 41, 41, 41, 41, 41, 41, 41,
+      (1,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,17,0): 51, 51, 51, 51, 51, 51, 51, 51,
+      (1,18,0): 51, 51, 51, 51, 51, 51, 51, 51,
+      (1,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,20,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,21,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,22,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,23,0): 61, 61, 61, 61, 61, 61, 61, 61,
+      (1,24,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,1,0): 12, 12, 12, 12, 12, 12, 12, 12,
+      (2,2,0): 12, 12, 12, 12, 12, 12, 12, 12,
+      (2,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,4,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,5,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,6,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,7,0): 22, 22, 22, 22, 22, 22, 22, 22,
+      (2,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,9,0): 32, 32, 32, 32, 32, 32, 32, 32,
+      (2,10,0): 32, 32, 32, 32, 32, 32, 32, 32,
+      (2,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,12,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,13,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,14,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,15,0): 42, 42, 42, 42, 42, 42, 42, 42,
+      (2,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,17,0): 52, 52, 52, 52, 52, 52, 52, 52,
+      (2,18,0): 52, 52, 52, 52, 52, 52, 52, 52,
+      (2,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,20,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,21,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,22,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,23,0): 62, 62, 62, 62, 62, 62, 62, 62,
+      (2,24,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,1,0): 13, 13, 13, 13, 13, 13, 13, 13,
+      (3,2,0): 13, 13, 13, 13, 13, 13, 13, 13,
+      (3,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,4,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,5,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,6,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,7,0): 23, 23, 23, 23, 23, 23, 23, 23,
+      (3,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,9,0): 33, 33, 33, 33, 33, 33, 33, 33,
+      (3,10,0): 33, 33, 33, 33, 33, 33, 33, 33,
+      (3,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,12,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,13,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,14,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,15,0): 43, 43, 43, 43, 43, 43, 43, 43,
+      (3,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,17,0): 53, 53, 53, 53, 53, 53, 53, 53,
+      (3,18,0): 53, 53, 53, 53, 53, 53, 53, 53,
+      (3,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,20,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,21,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,22,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,23,0): 63, 63, 63, 63, 63, 63, 63, 63,
+      (3,24,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,0,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,1,0): 14, 14, 14, 14, 14, 14, 14, 14,
+      (4,2,0): 14, 14, 14, 14, 14, 14, 14, 14,
+      (4,3,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,4,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,5,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,6,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,7,0): 24, 24, 24, 24, 24, 24, 24, 24,
+      (4,8,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,9,0): 34, 34, 34, 34, 34, 34, 34, 34,
+      (4,10,0): 34, 34, 34, 34, 34, 34, 34, 34,
+      (4,11,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,12,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,13,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,14,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,15,0): 44, 44, 44, 44, 44, 44, 44, 44,
+      (4,16,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,17,0): 54, 54, 54, 54, 54, 54, 54, 54,
+      (4,18,0): 54, 54, 54, 54, 54, 54, 54, 54,
+      (4,19,0): -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,20,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,21,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,22,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,23,0): 64, 64, 64, 64, 64, 64, 64, 64,
+      (4,24,0): -9, -9, -9, -9, -9, -9, -9, -9
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds_layout-3_2.ddl b/tools/testfiles/vds/tvds_layout-3_2.ddl
new file mode 100644
index 0000000..7e14ec2
--- /dev/null
+++ b/tools/testfiles/vds/tvds_layout-3_2.ddl
@@ -0,0 +1,278 @@
+HDF5 "3_2_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 6, 13, 19 ) / ( H5S_UNLIMITED, 13, 19 ) }
+      STORAGE_LAYOUT {
+         MAPPING 0 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,1,1)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,7)
+               }
+            }
+            SOURCE {
+               FILE "2_a.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,7)
+               }
+            }
+         }
+         MAPPING 1 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,4,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,7)
+               }
+            }
+            SOURCE {
+               FILE "2_b.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,7)
+               }
+            }
+         }
+         MAPPING 2 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,11,4)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,7)
+               }
+            }
+            SOURCE {
+               FILE "2_c.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,2,7)
+               }
+            }
+         }
+         MAPPING 3 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,1,9)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,5,7)
+               }
+            }
+            SOURCE {
+               FILE "2_d.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,5,7)
+               }
+            }
+         }
+         MAPPING 4 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,8,12)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,3,7)
+               }
+            }
+            SOURCE {
+               FILE "2_e.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,3,7)
+               }
+            }
+         }
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  -9
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_INCR
+      }
+      DATA {
+      (0,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,0,15): -9, -9, -9, -9,
+      (0,1,0): -9, 10, 10, 10, 10, 10, 10, 10, -9, 40, 40, 40, 40, 40, 40,
+      (0,1,15): 40, -9, -9, -9,
+      (0,2,0): -9, 10, 10, 10, 10, 10, 10, 10, -9, 40, 40, 40, 40, 40, 40,
+      (0,2,15): 40, -9, -9, -9,
+      (0,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 40, 40, 40, 40, 40, 40,
+      (0,3,15): 40, -9, -9, -9,
+      (0,4,0): 20, 20, 20, 20, 20, 20, 20, -9, -9, 40, 40, 40, 40, 40, 40,
+      (0,4,15): 40, -9, -9, -9,
+      (0,5,0): 20, 20, 20, 20, 20, 20, 20, -9, -9, 40, 40, 40, 40, 40, 40,
+      (0,5,15): 40, -9, -9, -9,
+      (0,6,0): 20, 20, 20, 20, 20, 20, 20, -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,6,15): -9, -9, -9, -9,
+      (0,7,0): 20, 20, 20, 20, 20, 20, 20, -9, -9, -9, -9, -9, -9, -9, -9,
+      (0,7,15): -9, -9, -9, -9,
+      (0,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 50, 50, 50,
+      (0,8,15): 50, 50, 50, 50,
+      (0,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 50, 50, 50,
+      (0,9,15): 50, 50, 50, 50,
+      (0,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 50, 50, 50,
+      (0,10,15): 50, 50, 50, 50,
+      (0,11,0): -9, -9, -9, -9, 30, 30, 30, 30, 30, 30, 30, -9, -9, -9, -9,
+      (0,11,15): -9, -9, -9, -9,
+      (0,12,0): -9, -9, -9, -9, 30, 30, 30, 30, 30, 30, 30, -9, -9, -9, -9,
+      (0,12,15): -9, -9, -9, -9,
+      (1,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,0,15): -9, -9, -9, -9,
+      (1,1,0): -9, 11, 11, 11, 11, 11, 11, 11, -9, 41, 41, 41, 41, 41, 41,
+      (1,1,15): 41, -9, -9, -9,
+      (1,2,0): -9, 11, 11, 11, 11, 11, 11, 11, -9, 41, 41, 41, 41, 41, 41,
+      (1,2,15): 41, -9, -9, -9,
+      (1,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 41, 41, 41, 41, 41, 41,
+      (1,3,15): 41, -9, -9, -9,
+      (1,4,0): 21, 21, 21, 21, 21, 21, 21, -9, -9, 41, 41, 41, 41, 41, 41,
+      (1,4,15): 41, -9, -9, -9,
+      (1,5,0): 21, 21, 21, 21, 21, 21, 21, -9, -9, 41, 41, 41, 41, 41, 41,
+      (1,5,15): 41, -9, -9, -9,
+      (1,6,0): 21, 21, 21, 21, 21, 21, 21, -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,6,15): -9, -9, -9, -9,
+      (1,7,0): 21, 21, 21, 21, 21, 21, 21, -9, -9, -9, -9, -9, -9, -9, -9,
+      (1,7,15): -9, -9, -9, -9,
+      (1,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 51, 51, 51,
+      (1,8,15): 51, 51, 51, 51,
+      (1,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 51, 51, 51,
+      (1,9,15): 51, 51, 51, 51,
+      (1,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 51, 51, 51,
+      (1,10,15): 51, 51, 51, 51,
+      (1,11,0): -9, -9, -9, -9, 31, 31, 31, 31, 31, 31, 31, -9, -9, -9, -9,
+      (1,11,15): -9, -9, -9, -9,
+      (1,12,0): -9, -9, -9, -9, 31, 31, 31, 31, 31, 31, 31, -9, -9, -9, -9,
+      (1,12,15): -9, -9, -9, -9,
+      (2,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,0,15): -9, -9, -9, -9,
+      (2,1,0): -9, 12, 12, 12, 12, 12, 12, 12, -9, 42, 42, 42, 42, 42, 42,
+      (2,1,15): 42, -9, -9, -9,
+      (2,2,0): -9, 12, 12, 12, 12, 12, 12, 12, -9, 42, 42, 42, 42, 42, 42,
+      (2,2,15): 42, -9, -9, -9,
+      (2,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 42, 42, 42, 42, 42, 42,
+      (2,3,15): 42, -9, -9, -9,
+      (2,4,0): 22, 22, 22, 22, 22, 22, 22, -9, -9, 42, 42, 42, 42, 42, 42,
+      (2,4,15): 42, -9, -9, -9,
+      (2,5,0): 22, 22, 22, 22, 22, 22, 22, -9, -9, 42, 42, 42, 42, 42, 42,
+      (2,5,15): 42, -9, -9, -9,
+      (2,6,0): 22, 22, 22, 22, 22, 22, 22, -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,6,15): -9, -9, -9, -9,
+      (2,7,0): 22, 22, 22, 22, 22, 22, 22, -9, -9, -9, -9, -9, -9, -9, -9,
+      (2,7,15): -9, -9, -9, -9,
+      (2,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 52, 52, 52,
+      (2,8,15): 52, 52, 52, 52,
+      (2,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 52, 52, 52,
+      (2,9,15): 52, 52, 52, 52,
+      (2,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 52, 52, 52,
+      (2,10,15): 52, 52, 52, 52,
+      (2,11,0): -9, -9, -9, -9, 32, 32, 32, 32, 32, 32, 32, -9, -9, -9, -9,
+      (2,11,15): -9, -9, -9, -9,
+      (2,12,0): -9, -9, -9, -9, 32, 32, 32, 32, 32, 32, 32, -9, -9, -9, -9,
+      (2,12,15): -9, -9, -9, -9,
+      (3,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,0,15): -9, -9, -9, -9,
+      (3,1,0): -9, 13, 13, 13, 13, 13, 13, 13, -9, 43, 43, 43, 43, 43, 43,
+      (3,1,15): 43, -9, -9, -9,
+      (3,2,0): -9, 13, 13, 13, 13, 13, 13, 13, -9, 43, 43, 43, 43, 43, 43,
+      (3,2,15): 43, -9, -9, -9,
+      (3,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 43, 43, 43, 43, 43, 43,
+      (3,3,15): 43, -9, -9, -9,
+      (3,4,0): 23, 23, 23, 23, 23, 23, 23, -9, -9, 43, 43, 43, 43, 43, 43,
+      (3,4,15): 43, -9, -9, -9,
+      (3,5,0): 23, 23, 23, 23, 23, 23, 23, -9, -9, 43, 43, 43, 43, 43, 43,
+      (3,5,15): 43, -9, -9, -9,
+      (3,6,0): 23, 23, 23, 23, 23, 23, 23, -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,6,15): -9, -9, -9, -9,
+      (3,7,0): 23, 23, 23, 23, 23, 23, 23, -9, -9, -9, -9, -9, -9, -9, -9,
+      (3,7,15): -9, -9, -9, -9,
+      (3,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 53, 53, 53,
+      (3,8,15): 53, 53, 53, 53,
+      (3,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 53, 53, 53,
+      (3,9,15): 53, 53, 53, 53,
+      (3,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 53, 53, 53,
+      (3,10,15): 53, 53, 53, 53,
+      (3,11,0): -9, -9, -9, -9, 33, 33, 33, 33, 33, 33, 33, -9, -9, -9, -9,
+      (3,11,15): -9, -9, -9, -9,
+      (3,12,0): -9, -9, -9, -9, 33, 33, 33, 33, 33, 33, 33, -9, -9, -9, -9,
+      (3,12,15): -9, -9, -9, -9,
+      (4,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,0,15): -9, -9, -9, -9,
+      (4,1,0): -9, 14, 14, 14, 14, 14, 14, 14, -9, 44, 44, 44, 44, 44, 44,
+      (4,1,15): 44, -9, -9, -9,
+      (4,2,0): -9, 14, 14, 14, 14, 14, 14, 14, -9, 44, 44, 44, 44, 44, 44,
+      (4,2,15): 44, -9, -9, -9,
+      (4,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 44, 44, 44, 44, 44, 44,
+      (4,3,15): 44, -9, -9, -9,
+      (4,4,0): 24, 24, 24, 24, 24, 24, 24, -9, -9, 44, 44, 44, 44, 44, 44,
+      (4,4,15): 44, -9, -9, -9,
+      (4,5,0): 24, 24, 24, 24, 24, 24, 24, -9, -9, 44, 44, 44, 44, 44, 44,
+      (4,5,15): 44, -9, -9, -9,
+      (4,6,0): 24, 24, 24, 24, 24, 24, 24, -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,6,15): -9, -9, -9, -9,
+      (4,7,0): 24, 24, 24, 24, 24, 24, 24, -9, -9, -9, -9, -9, -9, -9, -9,
+      (4,7,15): -9, -9, -9, -9,
+      (4,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 54, 54, 54,
+      (4,8,15): 54, 54, 54, 54,
+      (4,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 54, 54, 54,
+      (4,9,15): 54, 54, 54, 54,
+      (4,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 54, 54, 54,
+      (4,10,15): 54, 54, 54, 54,
+      (4,11,0): -9, -9, -9, -9, 34, 34, 34, 34, 34, 34, 34, -9, -9, -9, -9,
+      (4,11,15): -9, -9, -9, -9,
+      (4,12,0): -9, -9, -9, -9, 34, 34, 34, 34, 34, 34, 34, -9, -9, -9, -9,
+      (4,12,15): -9, -9, -9, -9,
+      (5,0,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9,
+      (5,0,15): -9, -9, -9, -9,
+      (5,1,0): -9, 15, 15, 15, 15, 15, 15, 15, -9, 45, 45, 45, 45, 45, 45,
+      (5,1,15): 45, -9, -9, -9,
+      (5,2,0): -9, 15, 15, 15, 15, 15, 15, 15, -9, 45, 45, 45, 45, 45, 45,
+      (5,2,15): 45, -9, -9, -9,
+      (5,3,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, 45, 45, 45, 45, 45, 45,
+      (5,3,15): 45, -9, -9, -9,
+      (5,4,0): 25, 25, 25, 25, 25, 25, 25, -9, -9, 45, 45, 45, 45, 45, 45,
+      (5,4,15): 45, -9, -9, -9,
+      (5,5,0): 25, 25, 25, 25, 25, 25, 25, -9, -9, 45, 45, 45, 45, 45, 45,
+      (5,5,15): 45, -9, -9, -9,
+      (5,6,0): 25, 25, 25, 25, 25, 25, 25, -9, -9, -9, -9, -9, -9, -9, -9,
+      (5,6,15): -9, -9, -9, -9,
+      (5,7,0): 25, 25, 25, 25, 25, 25, 25, -9, -9, -9, -9, -9, -9, -9, -9,
+      (5,7,15): -9, -9, -9, -9,
+      (5,8,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 55, 55, 55,
+      (5,8,15): 55, 55, 55, 55,
+      (5,9,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 55, 55, 55,
+      (5,9,15): 55, 55, 55, 55,
+      (5,10,0): -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 55, 55, 55,
+      (5,10,15): 55, 55, 55, 55,
+      (5,11,0): -9, -9, -9, -9, 35, 35, 35, 35, 35, 35, 35, -9, -9, -9, -9,
+      (5,11,15): -9, -9, -9, -9,
+      (5,12,0): -9, -9, -9, -9, 35, 35, 35, 35, 35, 35, 35, -9, -9, -9, -9,
+      (5,12,15): -9, -9, -9, -9
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds_layout-4.ddl b/tools/testfiles/vds/tvds_layout-4.ddl
new file mode 100644
index 0000000..018644e
--- /dev/null
+++ b/tools/testfiles/vds/tvds_layout-4.ddl
@@ -0,0 +1,78 @@
+HDF5 "4_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 9, 4, 4 ) / ( H5S_UNLIMITED, 4, 4 ) }
+      STORAGE_LAYOUT {
+         MAPPING 0 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (3,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (3,4,4)
+               }
+            }
+            SOURCE {
+               FILE "4_%b.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (3,4,4)
+               }
+            }
+         }
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  -9
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_INCR
+      }
+      DATA {
+      (0,0,0): 10, 10, 10, 10,
+      (0,1,0): 10, 10, 10, 10,
+      (0,2,0): 10, 10, 10, 10,
+      (0,3,0): 10, 10, 10, 10,
+      (1,0,0): 11, 11, 11, 11,
+      (1,1,0): 11, 11, 11, 11,
+      (1,2,0): 11, 11, 11, 11,
+      (1,3,0): 11, 11, 11, 11,
+      (2,0,0): 12, 12, 12, 12,
+      (2,1,0): 12, 12, 12, 12,
+      (2,2,0): 12, 12, 12, 12,
+      (2,3,0): 12, 12, 12, 12,
+      (3,0,0): 20, 20, 20, 20,
+      (3,1,0): 20, 20, 20, 20,
+      (3,2,0): 20, 20, 20, 20,
+      (3,3,0): 20, 20, 20, 20,
+      (4,0,0): 21, 21, 21, 21,
+      (4,1,0): 21, 21, 21, 21,
+      (4,2,0): 21, 21, 21, 21,
+      (4,3,0): 21, 21, 21, 21,
+      (5,0,0): 22, 22, 22, 22,
+      (5,1,0): 22, 22, 22, 22,
+      (5,2,0): 22, 22, 22, 22,
+      (5,3,0): 22, 22, 22, 22,
+      (6,0,0): 30, 30, 30, 30,
+      (6,1,0): 30, 30, 30, 30,
+      (6,2,0): 30, 30, 30, 30,
+      (6,3,0): 30, 30, 30, 30,
+      (7,0,0): 31, 31, 31, 31,
+      (7,1,0): 31, 31, 31, 31,
+      (7,2,0): 31, 31, 31, 31,
+      (7,3,0): 31, 31, 31, 31,
+      (8,0,0): 32, 32, 32, 32,
+      (8,1,0): 32, 32, 32, 32,
+      (8,2,0): 32, 32, 32, 32,
+      (8,3,0): 32, 32, 32, 32
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/tvds_layout-5.ddl b/tools/testfiles/vds/tvds_layout-5.ddl
new file mode 100644
index 0000000..b43629a
--- /dev/null
+++ b/tools/testfiles/vds/tvds_layout-5.ddl
@@ -0,0 +1,118 @@
+HDF5 "5_vds.h5" {
+GROUP "/" {
+   DATASET "vds_dset" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 9, 4, 4 ) / ( H5S_UNLIMITED, 4, 4 ) }
+      STORAGE_LAYOUT {
+         MAPPING 0 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (3,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,4,4)
+               }
+            }
+            SOURCE {
+               FILE "5_a.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,4)
+               }
+            }
+         }
+         MAPPING 1 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (1,0,0)
+                  STRIDE (3,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,4,4)
+               }
+            }
+            SOURCE {
+               FILE "5_b.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,4)
+               }
+            }
+         }
+         MAPPING 2 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (2,0,0)
+                  STRIDE (3,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,4,4)
+               }
+            }
+            SOURCE {
+               FILE "5_c.h5"
+               DATASET "/source_dset"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (1,1,1)
+                  BLOCK (H5S_UNLIMITED,4,4)
+               }
+            }
+         }
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  -9
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_INCR
+      }
+      DATA {
+      (0,0,0): 10, 10, 10, 10,
+      (0,1,0): 10, 10, 10, 10,
+      (0,2,0): 10, 10, 10, 10,
+      (0,3,0): 10, 10, 10, 10,
+      (1,0,0): 20, 20, 20, 20,
+      (1,1,0): 20, 20, 20, 20,
+      (1,2,0): 20, 20, 20, 20,
+      (1,3,0): 20, 20, 20, 20,
+      (2,0,0): 30, 30, 30, 30,
+      (2,1,0): 30, 30, 30, 30,
+      (2,2,0): 30, 30, 30, 30,
+      (2,3,0): 30, 30, 30, 30,
+      (3,0,0): 11, 11, 11, 11,
+      (3,1,0): 11, 11, 11, 11,
+      (3,2,0): 11, 11, 11, 11,
+      (3,3,0): 11, 11, 11, 11,
+      (4,0,0): 21, 21, 21, 21,
+      (4,1,0): 21, 21, 21, 21,
+      (4,2,0): 21, 21, 21, 21,
+      (4,3,0): 21, 21, 21, 21,
+      (5,0,0): 31, 31, 31, 31,
+      (5,1,0): 31, 31, 31, 31,
+      (5,2,0): 31, 31, 31, 31,
+      (5,3,0): 31, 31, 31, 31,
+      (6,0,0): 12, 12, 12, 12,
+      (6,1,0): 12, 12, 12, 12,
+      (6,2,0): 12, 12, 12, 12,
+      (6,3,0): 12, 12, 12, 12,
+      (7,0,0): 22, 22, 22, 22,
+      (7,1,0): 22, 22, 22, 22,
+      (7,2,0): 22, 22, 22, 22,
+      (7,3,0): 22, 22, 22, 22,
+      (8,0,0): 32, 32, 32, 32,
+      (8,1,0): 32, 32, 32, 32,
+      (8,2,0): 32, 32, 32, 32,
+      (8,3,0): 32, 32, 32, 32
+      }
+   }
+}
+}
author	Allen Byrne <byrn@hdfgroup.org>	2015-06-12 21:29:20 (GMT)
committer	Allen Byrne <byrn@hdfgroup.org>	2015-06-12 21:29:20 (GMT)
commit	78e128c544064ba4861a3eb7a72908e7ae7916eb (patch)
tree	5ba848b17f2a9a6eba021244db3cd3d53a4f2619 /tools/testfiles
parent	9786fe2f6158cd13c5e1837dee58f99dcda8f58c (diff)
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