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-rw-r--r--test/tfile.c141
1 files changed, 77 insertions, 64 deletions
diff --git a/test/tfile.c b/test/tfile.c
index d6cb427..82905d5 100644
--- a/test/tfile.c
+++ b/test/tfile.c
@@ -146,6 +146,11 @@ test_obj_count_and_id(hid_t, hid_t, hid_t, hid_t, hid_t, hid_t);
static void
check_file_id(hid_t, hid_t);
+/* Helper routine used by test_rw_noupdate() */
+static int cal_chksum(const char *file, uint32_t *chksum);
+
+static void test_rw_noupdate(void);
+
/****************************************************************
**
** test_file_create(): Low-level file creation I/O test routine.
@@ -2731,93 +2736,101 @@ test_cached_stab_info(void)
CHECK(ret, FAIL, "H5Fclose");
} /* end test_cached_stab_info() */
+/*
+ * To calculate the checksum for a file.
+ * This is a helper routine for test_rw_noupdate().
+ */
+static int
+cal_chksum(const char *file, uint32_t *chksum)
+{
+ int curr_num_errs = GetTestNumErrs(); /* Retrieve the current # of errors */
+ int fdes = -1; /* File descriptor */
+ void *file_data = NULL; /* Copy of file data */
+ ssize_t bytes_read; /* # of bytes read */
+ h5_stat_t sb; /* Stat buffer for file */
+ herr_t ret; /* Generic return value */
+
+ /* Open the file */
+ fdes = HDopen(file, O_RDONLY, 0);
+ CHECK(fdes, FAIL, "HDopen");
+
+ /* Retrieve the file's size */
+ ret = HDfstat(fdes, &sb);
+ CHECK(fdes, FAIL, "HDfstat");
+
+ /* Allocate space for the file data */
+ file_data = HDmalloc((size_t)sb.st_size);
+ CHECK(file_data, NULL, "HDmalloc");
+
+ if(file_data) {
+ /* Read file's data into memory */
+ bytes_read = HDread(fdes, file_data, (size_t)sb.st_size);
+ CHECK(bytes_read == sb.st_size, FALSE, "HDmalloc");
+
+ /* Calculate checksum */
+ *chksum = H5_checksum_lookup3(file_data, sizeof(file_data), 0);
+
+ /* Free memory */
+ HDfree(file_data);
+ }
+
+ /* Close the file */
+ ret = HDclose(fdes);
+ CHECK(ret, FAIL, "HDclose");
+
+ return((GetTestNumErrs() == curr_num_errs) ? 0 : -1);
+} /* cal_chksum() */
+
/****************************************************************
**
** test_rw_noupdate(): low-level file test routine.
** This test checks to ensure that opening and closing a file
** with read/write permissions does not write anything to the
** file if the file does not change.
+** Due to the implementation of file locking (status_flags in
+** the superblock is used), this test is changed to use checksum
+** instead of timestamp to verify the file is not changed.
**
-** Programmer: Mike McGreevy
-** mamcgree@hdfgroup.org
-** June 29, 2009
+** Programmer: Vailin Choi; July 2013
**
*****************************************************************/
static void
test_rw_noupdate(void)
{
- int fd; /* File Descriptor */
- h5_stat_t sb1, sb2; /* Info from 'stat' call */
- double diff; /* Difference in modification times */
herr_t ret; /* Generic return value */
+ hid_t fid; /* File ID */
+ uint32_t chksum1, chksum2; /* Checksum value */
/* Output message about test being performed */
MESSAGE(5, ("Testing to verify that nothing is written if nothing is changed.\n"));
- /* First make sure the stat function behaves as we expect - the modification time
- * is the time that the file was modified last time. */
- fd = HDopen(SFILE1, O_RDWR | O_CREAT | O_TRUNC, 0666);
- CHECK(fd, FAIL, "HDopen");
- ret = HDclose(fd);
- CHECK(ret, FAIL, "HDclose");
-
- /* Determine File's Initial Timestamp */
- ret = HDstat(SFILE1, &sb1);
- VERIFY(ret, 0, "HDstat");
-
- /* Wait for 2 seconds */
- /* (This ensures a system time difference between the two file accesses) */
- HDsleep(2);
-
- fd = HDopen(SFILE1, O_RDWR, 0666);
- CHECK(fd, FAIL, "HDopen");
- ret = HDclose(fd);
- CHECK(ret, FAIL, "HDclose");
-
- /* Determine File's New Timestamp */
- ret = HDstat(SFILE1, &sb2);
- VERIFY(ret, 0, "HDstat");
-
- /* Get difference between timestamps */
- diff = HDdifftime(sb2.st_mtime, sb1.st_mtime);
+ /* Create and Close a HDF5 File */
+ fid = H5Fcreate(FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+ CHECK(fid, FAIL, "H5Fcreate");
- /* Check That Timestamps Are Equal */
- if(diff > (double)0.0F) {
- /* Output message about test being performed */
- MESSAGE(1, ("Testing to verify that nothing is written if nothing is changed: This test is skipped on this system because the modification time from stat is the same as the last access time.\n"));
- } /* end if */
- else {
- hid_t file_id; /* HDF5 File ID */
+ /* Close the file */
+ ret = H5Fclose(fid);
+ CHECK(ret, FAIL, "H5Fclose");
- /* Create and Close a HDF5 File */
- file_id = H5Fcreate(FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
- CHECK(file_id, FAIL, "H5Fcreate");
- ret = H5Fclose(file_id);
- CHECK(ret, FAIL, "H5Fclose");
+ /* Calculate checksum for the file */
+ ret = cal_chksum(FILE1, &chksum1);
+ CHECK(ret, FAIL, "HDopen");
- /* Determine File's Initial Timestamp */
- ret = HDstat(FILE1, &sb1);
- VERIFY(ret, 0, "HDfstat");
+ /* Open and close File With Read/Write Permission */
+ fid = H5Fopen(FILE1, H5F_ACC_RDWR, H5P_DEFAULT);
+ CHECK(fid, FAIL, "H5Fopen");
- /* Wait for 2 seconds */
- /* (This ensures a system time difference between the two file accesses) */
- HDsleep(2);
+ /* Close the file */
+ ret = H5Fclose(fid);
+ CHECK(ret, FAIL, "H5Fclose");
- /* Open and Close File With Read/Write Permission */
- file_id = H5Fopen(FILE1, H5F_ACC_RDWR, H5P_DEFAULT);
- CHECK(file_id, FAIL, "H5Fopen");
- ret = H5Fclose(file_id);
- CHECK(ret, FAIL, "H5Fclose");
+ /* Calculate checksum for the file */
+ ret = cal_chksum(FILE1, &chksum2);
+ CHECK(ret, FAIL, "HDopen");
- /* Determine File's New Timestamp */
- ret = HDstat(FILE1, &sb2);
- VERIFY(ret, 0, "HDstat");
+ /* The two checksums are the same, i.e. the file is not changed */
+ VERIFY(chksum1, chksum2, "Checksum");
- /* Ensure That Timestamps Are Equal */
- diff = HDdifftime(sb2.st_mtime, sb1.st_mtime);
- ret = (diff > (double)0.0F);
- VERIFY(ret, 0, "Timestamp");
- } /* end else */
} /* end test_rw_noupdate() */
/****************************************************************
@@ -3809,7 +3822,7 @@ test_libver_bounds(void)
/* Run the tests */
test_libver_bounds_real(H5F_LIBVER_EARLIEST, 1, H5F_LIBVER_LATEST, 2);
- test_libver_bounds_real(H5F_LIBVER_LATEST, 2, H5F_LIBVER_EARLIEST, 1);
+ test_libver_bounds_real(H5F_LIBVER_LATEST, 2, H5F_LIBVER_EARLIEST, 2);
} /* end test_libver_bounds() */
/****************************************************************
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