[svn-r594] Changes since 19980813

----------------------

./src/H5G.c
./src/H5Gpublic.h
./test/links.c
	Fixed a bug in H5Gstat() that caused the wrong information to
	be returned sometimes.  Added check for named data types.

./test/extend.c
./test/links.c
./test/mtime.c
	Added `all tests passed' messages.

1 files changed, 240 insertions, 21 deletions

diff --git a/test/links.c b/test/links.c
index 006bf37..0a766c7 100644
--- a/test/links.c
+++ b/test/links.c
@@ -10,8 +10,20 @@
 #include <hdf5.h>
 #include <stdlib.h>
 
+#include <H5config.h>
+#ifndef HAVE_ATTRIBUTE
+#   undef __attribute__
+#   define __attribute__(X) /*void*/
+#   define __unused__ /*void*/
+#else
+#   define __unused__ __attribute__((unused))
+#endif
+
 #define TEST_FILE_NAME	"links.h5"
 
+#define FALSE		0
+#define TRUE		1
+
 
 /*-------------------------------------------------------------------------
  * Function:	cleanup
@@ -37,54 +49,261 @@ cleanup(void)
 
 
 /*-------------------------------------------------------------------------
- * Function:	main
+ * Function:	display_error_cb
  *
- * Purpose:	Tests links.
+ * Purpose:	Displays the error stack after printing "*FAILED*".
  *
  * Return:	Success:	0
  *
- *		Failure:	non-zero
+ *		Failure:	-1
  *
  * Programmer:	Robb Matzke
- *              Friday, April 10, 1998
+ *		Wednesday, March  4, 1998
  *
  * Modifications:
  *
  *-------------------------------------------------------------------------
  */
-int
-main (void)
+static herr_t
+display_error_cb (void __unused__ *client_data)
 {
-    hid_t	file, scalar, grp, d1;
-    hsize_t	size[1] = {1};
+    puts ("*FAILED*");
+    H5Eprint (stdout);
+    return 0;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:	mklinks
+ *
+ * Purpose:	Build a file with assorted links.
+ *
+ * Return:	Success:	0
+ *
+ *		Failure:	-1
+ *
+ * Programmer:	Robb Matzke
+ *              Friday, August 14, 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static int
+mklinks(void)
+{
+    hid_t		file, scalar, grp, d1;
+    static hsize_t	size[1] = {1};
+
+    printf("%-70s", "Testing link creation");
 
     /* Create a file */
-    file = H5Fcreate (TEST_FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
-    scalar = H5Screate_simple (1, size, size);
+    if ((file=H5Fcreate(TEST_FILE_NAME, H5F_ACC_TRUNC,
+			H5P_DEFAULT, H5P_DEFAULT))<0) {
+	goto error;
+    }
+    if ((scalar=H5Screate_simple (1, size, size))<0) goto error;
 
     /* Create a group */
-    grp = H5Gcreate (file, "grp1", 0);
-    H5Gclose (grp);
+    if ((grp=H5Gcreate (file, "grp1", 0))<0) goto error;
+    if (H5Gclose (grp)<0) goto error;
 
     /* Create a dataset */
-    d1 = H5Dcreate (file, "d1", H5T_NATIVE_INT, scalar, H5P_DEFAULT);
-    H5Dclose (d1);
+    if ((d1=H5Dcreate (file, "d1", H5T_NATIVE_INT, scalar, H5P_DEFAULT))<0) {
+	goto error;
+    }
+    if (H5Dclose (d1)<0) goto error;
 
     /* Create a hard link */
-    H5Glink (file, H5G_LINK_HARD, "d1", "grp1/hard");
+    if (H5Glink (file, H5G_LINK_HARD, "d1", "grp1/hard")<0) goto error;
 
     /* Create a symbolic link */
-    H5Glink (file, H5G_LINK_SOFT, "/d1", "grp1/soft");
+    if (H5Glink (file, H5G_LINK_SOFT, "/d1", "grp1/soft")<0) goto error;
 
     /* Create a symbolic link to something that doesn't exist */
-    H5Glink (file, H5G_LINK_SOFT, "foobar", "grp1/dangle");
+    if (H5Glink (file, H5G_LINK_SOFT, "foobar", "grp1/dangle")<0) goto error;
 
     /* Create a recursive symbolic link */
-    H5Glink (file, H5G_LINK_SOFT, "/grp1/recursive", "/grp1/recursive");
-
+    if (H5Glink (file, H5G_LINK_SOFT, "/grp1/recursive",
+		 "/grp1/recursive")<0) {
+	goto error;
+    }
+	
     /* Close */
-    H5Sclose (scalar);
-    H5Fclose (file);
+    if (H5Sclose (scalar)<0) goto error;
+    if (H5Fclose (file)<0) goto error;
+
+    puts(" PASSED");
+    return 0;
+
+ error:
+    return -1;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:	cklinks
+ *
+ * Purpose:	Open the file created in the first step and check that the
+ *		links look correct.
+ *
+ * Return:	Success:	0
+ *
+ *		Failure:	-1
+ *
+ * Programmer:	Robb Matzke
+ *              Friday, August 14, 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static int
+cklinks(void)
+{
+    hid_t		file;
+    H5G_stat_t		sb1, sb2;
+    char		linkval[1024];
+    herr_t		status;
+
+    printf("%-70s", "Testing link queries");
+    fflush(stdout);
+
+    /* Open the file */
+    if ((file=H5Fopen(TEST_FILE_NAME, H5F_ACC_RDONLY, H5P_DEFAULT))<0) {
+	goto error;
+    }
+
+    /* Hard link */
+    if (H5Gstat(file, "d1", TRUE, &sb1)<0) goto error;
+    if (H5Gstat(file, "grp1/hard", TRUE, &sb2)<0) goto error;
+    if (H5G_DATASET!=sb2.type) {
+	puts("*FAILED*");
+	puts("   Unexpected object type should have been a dataset");
+	goto error;
+    }
+    if (sb1.objno[0]!=sb2.objno[0] || sb1.objno[1]!=sb2.objno[1]) {
+	puts("*FAILED*");
+	puts("   Hard link test failed. Link seems not to point to the ");
+	puts("   expected file location.");
+	goto error;
+    }
+
+    /* Symbolic link */
+    if (H5Gstat(file, "grp1/soft", TRUE, &sb2)<0) goto error;
+    if (H5G_DATASET!=sb2.type) {
+	puts("*FAILED*");
+	puts("   Unexpected object type should have been a dataset");
+	goto error;
+    }
+    if (sb1.objno[0]!=sb2.objno[0] || sb1.objno[1]!=sb2.objno[1]) {
+	puts("*FAILED*");
+	puts("   Soft link test failed. Link seems not to point to the ");
+	puts("   expected file location.");
+	goto error;
+    }
+    if (H5Gget_linkval(file, "grp1/soft", sizeof linkval, linkval)<0) {
+	goto error;
+    }
+    if (strcmp(linkval, "/d1")) {
+	puts("*FAILED*");
+	puts("   Soft link test failed. Wrong link value");
+	goto error;
+    }
+
+    /* Dangling link */
+    H5E_BEGIN_TRY {
+	status = H5Gstat(file, "grp1/dangle", TRUE, &sb2);
+    } H5E_END_TRY;
+    if (status>=0) {
+	puts("*FAILED*");
+	puts("   H5Gstat() should have failed for a dangling link.");
+	goto error;
+    }
+    if (H5Gstat(file, "grp1/dangle", FALSE, &sb2)<0) goto error;
+    if (H5G_LINK!=sb2.type) {
+	puts("*FAILED*");
+	puts("   Unexpected object type should have been a symbolic link");
+	goto error;
+    }
+    if (H5Gget_linkval(file, "grp1/dangle", sizeof linkval, linkval)<0) {
+	goto error;
+    }
+    if (strcmp(linkval, "foobar")) {
+	puts("*FAILED*");
+	puts("   Dangling link test failed. Wrong link value");
+	goto error;
+    }
+
+    /* Recursive link */
+    H5E_BEGIN_TRY {
+	status = H5Gstat(file, "grp1/recursive", TRUE, &sb2);
+    } H5E_END_TRY;
+    if (status>=0) {
+	puts("*FAILED*");
+	puts("   H5Gstat() should have failed for a recursive link.");
+	goto error;
+    }
+    if (H5Gstat(file, "grp1/recursive", FALSE, &sb2)<0) goto error;
+    if (H5G_LINK!=sb2.type) {
+	puts("*FAILED*");
+	puts("   Unexpected object type should have been a symbolic link");
+	goto error;
+    }
+    if (H5Gget_linkval(file, "grp1/recursive", sizeof linkval, linkval)<0) {
+	goto error;
+    }
+    if (strcmp(linkval, "/grp1/recursive")) {
+	puts("*FAILED*");
+	puts("   Recursive link test failed. Wrong link value");
+	goto error;
+    }
+
+    /* Cleanup */
+    if (H5Fclose(file)<0) goto error;
+    puts(" PASSED");
+    return 0;
+
+ error:
+    return -1;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:	main
+ *
+ * Purpose:	Test links
+ *
+ * Return:	Success:	exit(0)
+ *
+ *		Failure:	exit(non-zero)
+ *
+ * Programmer:	Robb Matzke
+ *              Friday, August 14, 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+main(void)
+{
+    int		nerrors = 0;
+
+    /* Set error handling to print `*FAILED*' before the error stack */
+    H5Eset_auto(display_error_cb, NULL);
+
+    /* The tests... */
+    nerrors += mklinks() < 0 ? 1 : 0;
+    nerrors += cklinks() < 0 ? 1 : 0;
+
+    /* Results */
+    if (nerrors) {
+	printf("***** %d LINK TEST%s FAILED! *****\n",
+	       nerrors, 1 == nerrors ? "" : "S");
+	exit(1);
+    }
+    printf("All link tests passed.\n");
     cleanup();
     return 0;
 }