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-rw-r--r--test/tfile.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/tfile.c b/test/tfile.c
index c8c123c..0d2926f 100644
--- a/test/tfile.c
+++ b/test/tfile.c
@@ -1666,6 +1666,29 @@ test_file_is_accessible(const char *env_h5_drvr)
is_hdf5 = H5Fis_accessible(filename, fapl_id);
VERIFY(is_hdf5, TRUE, "H5Fis_accessible");
+ /*****************************************/
+ /* Newly created file that is still open */
+ /*****************************************/
+
+ /* On Windows, file locking is mandatory so this check ensures that
+ * H5Fis_accessible() works on files that have an exclusive lock.
+ * Previous versions of this API call created an additional file handle
+ * and attempted to read through it, which will not work when locks
+ * are enforced by the OS.
+ */
+
+ /* Create a file and hold it open */
+ fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id);
+ CHECK(fid, H5I_INVALID_HID, "H5Fcreate");
+
+ /* Verify that the file is an HDF5 file */
+ is_hdf5 = H5Fis_accessible(filename, fapl_id);
+ VERIFY(is_hdf5, TRUE, "H5Fis_accessible");
+
+ /* Close file */
+ ret = H5Fclose(fid);
+ CHECK(ret, FAIL, "H5Fclose");
+
/*******************************/
/* Non-default user block size */
/*******************************/