1 files changed, 94 insertions, 0 deletions
diff --git a/cmd/dtrace/test/tst/common/vars/tst.nullassign.d b/cmd/dtrace/test/tst/common/vars/tst.nullassign.d
new file mode 100644
index 0000000..accc763
--- /dev/null
+++ b/cmd/dtrace/test/tst/common/vars/tst.nullassign.d
@@ -0,0 +1,94 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#pragma D option quiet
+
+BEGIN
+{
+	die = "Die";
+	tap = ", SystemTap, ";
+	the = "The";
+}
+
+BEGIN
+{
+	phrase = strjoin(die, tap);
+	phrase = strjoin(phrase, die);
+	expected = "Die, SystemTap, Die";
+}
+
+BEGIN
+/phrase != expected/
+{
+	printf("global: expected '%s', found '%s'\n", expected, phrase);
+	exit(1);
+}
+
+BEGIN
+{
+	this->phrase = strjoin(the, tap);
+}
+
+BEGIN
+{
+	this->phrase = strjoin(this->phrase, the);
+	expected = "The, SystemTap, The";
+}
+
+BEGIN
+/this->phrase != expected/
+{
+	printf("clause-local: expected '%s', found '%s'\n",
+	    expected, this->phrase);
+	exit(2);
+}
+
+BEGIN
+{
+	phrase = NULL;
+	this->phrase = NULL;
+}
+
+BEGIN
+/phrase != NULL/
+{
+	printf("expected global to be NULL\n");
+	exit(3);
+}
+
+BEGIN
+/this->phrase != NULL/
+{
+	printf("expected clause-local to be NULL\n");
+	exit(4);
+}
+
+BEGIN
+{
+	exit(0);
+}