[svn-r16610] Modified the test of family driver for forward compatibility. Open the file twice to make

sure the superblock isn't corrupted.

Tested on jam - simple test.

1 files changed, 22 insertions, 0 deletions

diff --git a/test/file_handle.c b/test/file_handle.c
index 4a4783a..27c1dd5 100644
--- a/test/file_handle.c
+++ b/test/file_handle.c
@@ -362,6 +362,8 @@ static herr_t
 test_family_compat(void)
 {
     hid_t       file=(-1), fapl;
+    hid_t       dset;
+    char        dname[]="dataset";
     char        filename[1024];
     char        pathname[1024];
     char       *srcdir = getenv("srcdir"); /*where the src code is located*/
@@ -384,12 +386,32 @@ test_family_compat(void)
     }
     strcat(pathname, filename);
 
+    /* Make sure we can open the file.  Use the read and write mode. */
     if((file=H5Fopen(pathname, H5F_ACC_RDONLY, fapl))<0)
         goto error;
 
+    if((dset = H5Dopen(file, dname)) < 0)
+        TEST_ERROR;
+
+    if(H5Dclose(dset) < 0)
+        TEST_ERROR;
+
     if(H5Fclose(file)<0)
         goto error;
 
+    /* Open the file again to make sure it isn't corrupted. */
+    if((file = H5Fopen(pathname, H5F_ACC_RDWR, fapl)) < 0)
+        TEST_ERROR;
+
+    if((dset = H5Dopen(file, dname)) < 0)
+        TEST_ERROR;
+
+    if(H5Dclose(dset) < 0)
+        TEST_ERROR;
+
+    if(H5Fclose(file) < 0)
+        TEST_ERROR;
+
     h5_cleanup(FILENAME, fapl);
     PASSED();
     return 0;