1 files changed, 153 insertions, 0 deletions
diff --git a/test/libelf/tset/elf_errmsg/errmsg.m4 b/test/libelf/tset/elf_errmsg/errmsg.m4
new file mode 100644
index 0000000000000..c5d1d17185858
--- /dev/null
+++ b/test/libelf/tset/elf_errmsg/errmsg.m4
@@ -0,0 +1,153 @@
+/*-
+ * Copyright (c) 2006,2010,2011 Joseph Koshy
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: errmsg.m4 2191 2011-11-21 08:34:02Z jkoshy $
+ */
+
+include(`elfts.m4')
+
+#include <libelf.h>
+#include <string.h>
+
+#include "tet_api.h"
+
+/*
+ * Test the `elf_errmsg' entry point.
+ */
+
+/*
+ * Assertion: the function returns NULL if the argument is zero and
+ * there is no pending error in the library.
+ */
+void
+tcZeroNoerror(void)
+{
+
+	TP_ANNOUNCE("returns NULL with zero & no current error");
+
+	(void) elf_errno();	/* discard current error number */
+
+	if (elf_errmsg(0) == NULL)
+		tet_result(TET_PASS);
+	else
+		tet_result(TET_FAIL);
+}
+
+/*
+ * An error value of -1 should return non-NULL
+ */
+
+define(`NO_ERROR_MESSAGE',`"No Error"')dnl Needs to match the string in "libelf/elf_errmsg.c".
+
+void
+tcMinusoneNoerror(void)
+{
+	int result;
+	const char *msg;
+
+	TP_ANNOUNCE("returns non-null for arg -1 & no current error");
+
+	(void) elf_errno();	/* discard stored error */
+
+	result = TET_UNRESOLVED;
+
+	msg = elf_errmsg(-1);
+	if (msg == NULL) {
+		TP_FAIL("null return from elf_errmsg()");
+		goto done;
+	}
+
+	if (strcmp(msg, NO_ERROR_MESSAGE)) {
+		TP_FAIL("unexpected message \"%s\"", msg);
+		goto done;
+	}
+
+	result = TET_PASS;
+
+done:
+	tet_result(result);
+}
+
+/*
+ * Assertion: All error numbers from 1..NUM return a non-null string.
+ */
+
+void
+tcCheckAllValidErrorMessages(void)
+{
+	int n, result;
+	const char *msg;
+
+	TP_ANNOUNCE("returns non-null for all valid error numbers");
+
+	(void) elf_errno();	/* discard stored error */
+
+	result = TET_UNRESOLVED;
+
+	for (n = ELF_E_NONE+1; n < ELF_E_NUM; n++) {
+		if ((msg = elf_errmsg(n)) == NULL) {
+			TP_FAIL("null return from elf_errmsg()");
+			goto done;
+		}
+	}
+
+	result = TET_PASS;
+
+done:
+	tet_result(result);
+
+}
+
+/*
+ * Assertion: with an error pending, elf_errmsg(0) returns a non-NULL
+ * pointer.
+ */
+
+void
+tcNonNullWithErrorPending(void)
+{
+	int result, version;
+	const char *msg;
+
+	result = TET_UNRESOLVED;
+
+	TP_ANNOUNCE("non null error message is returned for a pending error");
+
+	/* Generate an error, e.g., ELF_E_VERSION. */
+	if ((version = elf_version(EV_CURRENT+1)) != EV_NONE) {
+		TP_UNRESOLVED("elf_version() returned %d", version);
+		goto done;
+	}
+
+	if ((msg = elf_errmsg(0)) == NULL) {
+		TP_FAIL("elf_errmsg() returned NULL");
+		goto done;
+	}
+
+	result = TET_PASS;
+
+done:
+	tet_result(result);
+}