diff options
Diffstat (limited to 'hl')
| -rw-r--r-- | hl/test/test_file_image.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/hl/test/test_file_image.c b/hl/test/test_file_image.c index 9b18539..6ff5bf4 100644 --- a/hl/test/test_file_image.c +++ b/hl/test/test_file_image.c @@ -20,6 +20,12 @@ #define RANK 2 +/* For superblock version 0, 1: the offset to "file consistency flags" is 20 with size of 4 bytes */ +/* The file consistency flags is the "status_flags" field in H5F_super_t */ +/* Note: the offset and size will be different when using superblock version 2 for the test file */ +#define SUPER_STATUS_FLAGS_OFF_V0_V1 20 +#define SUPER_STATUS_FLAGS_SIZE_V0_V1 4 + /* Test of file image operations. The following code provides a means to thoroughly test the file image @@ -214,10 +220,32 @@ test_file_image(size_t open_images, size_t nflags, unsigned *flags) else VERIFY(*core_buf_ptr_ptr != buf_ptr[i], "vfd buffer and user buffer should be different"); - /* test whether the contents of the user buffer and driver buffer */ - /* are equal. */ - if (HDmemcmp(*core_buf_ptr_ptr, buf_ptr[i], (size_t)buf_size[i]) != 0) - FAIL_PUTS_ERROR("comparison of vfd and user buffer failed"); + /* + * When the vfd and user buffers are different and H5LT_FILE_IMAGE_OPEN_RW is enabled, + * status_flags in the superblock needs to be cleared in the vfd buffer for + * the comparison to proceed as expected. The user buffer as returned from H5Fget_file_image() + * has already cleared status_flags. The superblock's status_flags is used for the + * implementation of file locking. + */ + if(input_flags[i] & H5LT_FILE_IMAGE_OPEN_RW && !(input_flags[i] & H5LT_FILE_IMAGE_DONT_COPY)) { + + void *tmp_ptr = HDmalloc((size_t)buf_size[i]); + /* Copy vfd buffer to a temporary buffer */ + HDmemcpy(tmp_ptr, (void *)*core_buf_ptr_ptr, (size_t)buf_size[i]); + /* Clear status_flags in the superblock for the vfd buffer: file locking is using status_flags */ + HDmemset((uint8_t *)tmp_ptr + SUPER_STATUS_FLAGS_OFF_V0_V1, (int)0, (size_t)SUPER_STATUS_FLAGS_SIZE_V0_V1); + /* Does the comparision */ + if(HDmemcmp(tmp_ptr, buf_ptr[i], (size_t)buf_size[i]) != 0) + FAIL_PUTS_ERROR("comparison of TMP vfd and user buffer failed"); + /* Free the temporary buffer */ + if(tmp_ptr) HDfree(tmp_ptr); + } else { + + /* test whether the contents of the user buffer and driver buffer */ + /* are equal. */ + if (HDmemcmp(*core_buf_ptr_ptr, buf_ptr[i], (size_t)buf_size[i]) != 0) + FAIL_PUTS_ERROR("comparison of vfd and user buffer failed"); + } } /* end else */ } /* end for */ |