--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/dtrace/test/tst/common/env/tst.unsetenv1.ksh	Wed Jul 25 19:05:31 2012 -0400
@@ -0,0 +1,33 @@
+#
+# CDDL HEADER START
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2012 by Delphix. All rights reserved.
+#
+
+#
+# Test unsetting a variable we know to be set.
+#
+
+if [ $# != 1 ]; then
+	echo expected one argument: '<'dtrace-path'>'
+	exit 2
+fi
+
+dtrace=$1
+
+$dtrace -q -Z -n doogle -xunsetenv=LD_NOLAZYLOAD -c 'printenv LD_NOLAZYLOAD'
+
+exit $?