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authorVailin Choi <vchoi@jam.ad.hdfgroup.org>2019-04-05 16:34:58 (GMT)
committerVailin Choi <vchoi@jam.ad.hdfgroup.org>2019-04-05 16:34:58 (GMT)
commit7fe665ebff3e86aaf1eef92199f757a5c0d1fe80 (patch)
treed0f3085bc418ef97fc6de7d867c024f317d85250 /test
parent9e934e75fa9a66bdd95fd3656ca0c19f910123c7 (diff)
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Fix for HDFFV-10271 hyperslab encoding incorrect length.
Diffstat (limited to 'test')
-rw-r--r--test/th5s.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/test/th5s.c b/test/th5s.c
index 14f5de9..07d31ed 100644
--- a/test/th5s.c
+++ b/test/th5s.c
@@ -1325,6 +1325,84 @@ test_h5s_encode(void)
/****************************************************************
**
+** test_h5s_encode_length():
+** Test to verify HDFFV-10271 is fixed.
+** Verify that version 2 hyperslab encoding length is correct.
+**
+** See "RFC: H5Sencode/H5Sdecode Format Change" for the
+** description of the encoding format.
+**
+****************************************************************/
+static void
+test_h5s_encode_length(void)
+{
+ hid_t sid; /* Dataspace ID */
+ hid_t decoded_sid; /* Dataspace ID from H5Sdecode2 */
+ size_t sbuf_size=0; /* Buffer size for H5Sencode2/1 */
+ unsigned char *sbuf=NULL; /* Buffer for H5Sencode2/1 */
+ hsize_t dims[1] = {500}; /* Dimension size */
+ hsize_t start, count, block, stride; /* Hyperslab selection specifications */
+ herr_t ret; /* Generic return value */
+
+ /* Output message about test being performed */
+ MESSAGE(5, ("Testing Version 2 Hyperslab Encoding Length is correct\n"));
+
+ /* Create dataspace */
+ sid = H5Screate_simple(1, dims, NULL);
+ CHECK(sid, FAIL, "H5Screate_simple");
+
+ /* Setting H5S_UNLIMITED in count will use version 2 for hyperslab encoding */
+ start = 0;
+ stride = 10;
+ block = 4;
+ count = H5S_UNLIMITED;
+
+ /* Set hyperslab selection */
+ ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, &start, &stride, &count, &block);
+ CHECK(ret, FAIL, "H5Sselect_hyperslab");
+
+ /* Encode simple data space in a buffer */
+ ret = H5Sencode(sid, NULL, &sbuf_size);
+ CHECK(ret, FAIL, "H5Sencode");
+
+ /* Allocate the buffer */
+ if(sbuf_size > 0) {
+ sbuf = (unsigned char*)HDcalloc((size_t)1, sbuf_size);
+ CHECK(sbuf, NULL, "H5Sencode2");
+ }
+
+ /* Encode the dataspace */
+ ret = H5Sencode(sid, sbuf, &sbuf_size);
+ CHECK(ret, FAIL, "H5Sencode");
+
+ /* Verify that length stored at this location in the buffer is correct */
+ VERIFY((uint32_t)sbuf[40], 36, "Length for encoding version 2");
+ VERIFY((uint32_t)sbuf[35], 2, "Hyperslab encoding version is 2");
+
+ /* Decode from the dataspace buffer and return an object handle */
+ decoded_sid = H5Sdecode(sbuf);
+ CHECK(decoded_sid, FAIL, "H5Sdecode");
+
+ /* Verify that the original and the decoded dataspace are equal */
+ VERIFY(H5Sget_select_npoints(sid), H5Sget_select_npoints(decoded_sid), "Compare npoints");
+
+ /* Close the decoded dataspace */
+ ret = H5Sclose(decoded_sid);
+ CHECK(ret, FAIL, "H5Sclose");
+
+ /* Free the buffer */
+ if(sbuf)
+ HDfree(sbuf);
+
+ /* Close the original dataspace */
+ ret = H5Sclose(sid);
+ CHECK(ret, FAIL, "H5Sclose");
+
+} /* test_h5s_encode_length() */
+
+
+/****************************************************************
+**
** test_h5s_scalar_write(): Test scalar H5S (dataspace) writing code.
**
****************************************************************/
@@ -2516,6 +2594,7 @@ test_h5s(void)
test_h5s_null(); /* Test Null dataspace H5S code */
test_h5s_zero_dim(); /* Test dataspace with zero dimension size */
test_h5s_encode(); /* Test encoding and decoding */
+ test_h5s_encode_length(); /* Test version 2 hyperslab encoding length is correct */
test_h5s_scalar_write(); /* Test scalar H5S writing code */
test_h5s_scalar_read(); /* Test scalar H5S reading code */