diff options
author | Vailin Choi <vchoi@jam.ad.hdfgroup.org> | 2017-09-07 20:59:49 (GMT) |
---|---|---|
committer | Vailin Choi <vchoi@jam.ad.hdfgroup.org> | 2017-09-07 20:59:49 (GMT) |
commit | b15011a59af9e70eb06865234f8f0dacab34aa0f (patch) | |
tree | 4f557e5fc7311cb5db782abc94a19f08e53d0b29 /test/th5s.c | |
parent | d7c76e3aacd6f5966725516b0049f62e2efea586 (diff) | |
download | hdf5-b15011a59af9e70eb06865234f8f0dacab34aa0f.zip hdf5-b15011a59af9e70eb06865234f8f0dacab34aa0f.tar.gz hdf5-b15011a59af9e70eb06865234f8f0dacab34aa0f.tar.bz2 |
Fix for HDFFV-9947
Fix to return error when encoding dataspace selection exceeds 32 bit integer limit.
Diffstat (limited to 'test/th5s.c')
-rw-r--r-- | test/th5s.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/test/th5s.c b/test/th5s.c index 98be156..c56f0cc 100644 --- a/test/th5s.c +++ b/test/th5s.c @@ -1317,6 +1317,102 @@ test_h5s_encode(void) /**************************************************************** ** +** test_h5s_encode_exceed32(): +** Verify that encoding selection that exceeds (2^32 - 1) +** (32 bit integer limit) will return error. +** See HDFFV-9947 and the RFC for "H5Sencode/H5Sdecode Format Change" +** +****************************************************************/ +static void +test_h5s_encode_exceed32(void) +{ + hid_t sid; /* Dataspace ID */ + size_t hyper_buf_size=0, pt_buf_size=0; /* Buffer size for H5Sencode */ + unsigned char *hyper_buf=NULL, *pt_buf=NULL; /* Buffers for H5Sencode */ + hsize_t numparticles = 8388608; + unsigned num_dsets = 513; + hsize_t total_particles = numparticles * num_dsets; + hsize_t vdsdims[1] = {total_particles}; + hsize_t start, count, block; /* Hyperslab selection specification */ + hsize_t coord[4]; /* Coordinates for point selection */ + herr_t ret; /* Generic return value */ + + /* Output message about test being performed */ + MESSAGE(5, ("Testing Dataspace Encoding Exceeding 32 bits integer limit\n")); + + /*------------------------------------------------------------------------- + * Test encoding and decoding of simple dataspace and hyperslab selection. + *------------------------------------------------------------------------- + */ + + /* Create dataspace */ + sid = H5Screate_simple(1, vdsdims, NULL); + CHECK(sid, FAIL, "H5Screate_simple"); + + start = 0; + block = total_particles; /* 4303355904 (exceeds 2^32) */ + count = 1; + + ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, &start, NULL, &count, &block); + CHECK(ret, FAIL, "H5Sselect_hyperslab"); + + /* Encode data space in a buffer */ + ret = H5Sencode(sid, NULL, &hyper_buf_size); + CHECK(ret, FAIL, "H5Sencode"); + + /* Allocate buffer */ + if(hyper_buf_size > 0) { + hyper_buf = (unsigned char*)HDcalloc((size_t)1, hyper_buf_size); + CHECK(hyper_buf, NULL, "HDcalloc"); + } + + /* H5Sencode should fail because block exceeds (2^32 - 1) */ + H5E_BEGIN_TRY { + ret = H5Sencode(sid, hyper_buf, &hyper_buf_size); + } H5E_END_TRY + VERIFY(ret, FAIL, "H5Sencode"); + + /*------------------------------------------------------------------------- + * Test encoding and decoding of simple dataspace and points selection. + *------------------------------------------------------------------------- + */ + + /* Select points in dataspace */ + coord[0] = 5; + coord[1] = 15; + coord[2] = 4294967296; /* 2^32 */ + coord[3] = 19; + ret = H5Sselect_elements(sid, H5S_SELECT_SET, (size_t)4, coord); + CHECK(ret, FAIL, "H5Sselect_elements"); + + /* Encode data space in a buffer */ + ret = H5Sencode(sid, NULL, &pt_buf_size); + CHECK(ret, FAIL, "H5Sencode"); + + /* Allocate buffer */ + if(pt_buf_size > 0) + pt_buf = (unsigned char*)HDcalloc((size_t)1, pt_buf_size); + + /* H5Sencode should fail because coord[2] exceeds (2^32 - 1) */ + H5E_BEGIN_TRY { + ret = H5Sencode(sid, pt_buf, &pt_buf_size); + } H5E_END_TRY + VERIFY(ret, FAIL, "H5Sencode"); + + /* Close the dataspace */ + ret = H5Sclose(sid); + CHECK(ret, FAIL, "H5Sclose"); + + /* Free the buffers */ + if(hyper_buf) + HDfree(hyper_buf); + if(pt_buf) + HDfree(pt_buf); + +} /* test_h5s_encode_exceed32() */ + +/**************************************************************** +** ** test_h5s_scalar_write(): Test scalar H5S (dataspace) writing code. ** ****************************************************************/ @@ -2384,6 +2480,7 @@ 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_exceed32(); /* Testing encoding when selection exceeds 32 bits limit */ test_h5s_scalar_write(); /* Test scalar H5S writing code */ test_h5s_scalar_read(); /* Test scalar H5S reading code */ |