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authorNeil Fortner <fortnern@gmail.com>2022-10-04 16:20:10 (GMT)
committerGitHub <noreply@github.com>2022-10-04 16:20:10 (GMT)
commit1a20a9f342227a7b822f45abe893af86f3fe2d19 (patch)
tree5c20ae45c12b1c2a963878edd305e4a234bf794c /test/th5s.c
parent50c1a9e483a53802cbf2e2d28f0554fb1e345b88 (diff)
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Fixed an issue that could occur when combining hyperslab selections (#2122) (#2138)
Diffstat (limited to 'test/th5s.c')
-rw-r--r--test/th5s.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/test/th5s.c b/test/th5s.c
index e016e74..4690934 100644
--- a/test/th5s.c
+++ b/test/th5s.c
@@ -3259,6 +3259,57 @@ test_h5s_bug1(void)
CHECK(ret, FAIL, "H5Sclose");
} /* test_h5s_bug1() */
+/****************************************************************
+**
+** test_h5s_bug2(): Test combining hyperslabs in a way that used
+** to trip up H5S__hyper_update_diminfo()
+**
+****************************************************************/
+static void
+test_h5s_bug2(void)
+{
+ hid_t space; /* Dataspace to copy extent to */
+ hsize_t dims[2] = {1, 5}; /* Dimensions */
+ hsize_t start[2] = {0, 0}; /* Hyperslab start */
+ hsize_t count[2] = {1, 1}; /* Hyperslab start */
+ htri_t select_valid; /* Whether the dataspace selection is valid */
+ hssize_t elements_selected; /* Number of elements selected */
+ herr_t ret; /* Generic error return */
+
+ /* Create dataspace */
+ space = H5Screate_simple(2, dims, NULL);
+ CHECK(space, FAIL, "H5Screate");
+
+ /* Select hyperslab in space containing first element */
+ ret = H5Sselect_hyperslab(space, H5S_SELECT_SET, start, NULL, count, NULL);
+ CHECK(ret, FAIL, "H5Sselect_hyperslab");
+
+ /* Add hyperslab in space containing last element */
+ start[1] = 4;
+ ret = H5Sselect_hyperslab(space, H5S_SELECT_OR, start, NULL, count, NULL);
+ CHECK(ret, FAIL, "H5Sselect_hyperslab");
+
+ /* Add hyperslab in space containing the first 3 elements */
+ start[1] = 0;
+ count[1] = 3;
+ ret = H5Sselect_hyperslab(space, H5S_SELECT_OR, start, NULL, count, NULL);
+ CHECK(ret, FAIL, "H5Sselect_hyperslab");
+
+ /* Check that space's selection is valid */
+ select_valid = H5Sselect_valid(space);
+ CHECK(select_valid, FAIL, "H5Sselect_valid");
+ VERIFY(select_valid, TRUE, "H5Sselect_valid result");
+
+ /* Check that 4 elements are selected */
+ elements_selected = H5Sget_select_npoints(space);
+ CHECK(elements_selected, FAIL, "H5Sselect_valid");
+ VERIFY(elements_selected, 4, "H5Sselect_valid result");
+
+ /* Close dataspaces */
+ ret = H5Sclose(space);
+ CHECK(ret, FAIL, "H5Sclose");
+} /* test_h5s_bug2() */
+
/*-------------------------------------------------------------------------
* Function: test_versionbounds
*
@@ -3431,6 +3482,7 @@ test_h5s(void)
test_h5s_extent_equal(); /* Test extent comparison code */
test_h5s_extent_copy(); /* Test extent copy code */
test_h5s_bug1(); /* Test bug in offset initialization */
+ test_h5s_bug2(); /* Test bug found in H5S__hyper_update_diminfo() */
test_versionbounds(); /* Test version bounds with dataspace */
} /* test_h5s() */