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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sat, 14 Jan 2012 23:10:18 +0000 (UTC)
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Subject: svn commit: r230121 - head/tools/regression/bin/sh/expansion
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Author: jilles
Date: Sat Jan 14 23:10:18 2012
New Revision: 230121
URL: http://svn.freebsd.org/changeset/base/230121

Log:
  sh: Add testcases that should not be broken by future optimizations.

Added:
  head/tools/regression/bin/sh/expansion/cmdsubst12.0   (contents, props changed)
  head/tools/regression/bin/sh/expansion/cmdsubst13.0   (contents, props changed)

Added: head/tools/regression/bin/sh/expansion/cmdsubst12.0
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/tools/regression/bin/sh/expansion/cmdsubst12.0	Sat Jan 14 23:10:18 2012	(r230121)
@@ -0,0 +1,6 @@
+# $FreeBSD$
+
+f() {
+	echo x$(printf foo >&2)y
+}
+[ "$(f 2>&1)" = "fooxy" ]

Added: head/tools/regression/bin/sh/expansion/cmdsubst13.0
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/tools/regression/bin/sh/expansion/cmdsubst13.0	Sat Jan 14 23:10:18 2012	(r230121)
@@ -0,0 +1,12 @@
+# $FreeBSD$
+
+x=1 y=2
+[ "$(
+	case $((x+=1)) in
+	($((y+=1)))	echo bad1 ;;
+	($((y-1)))	echo $x.$y ;;
+	($((y=2)))	echo bad2 ;;
+	(*)		echo bad3 ;;
+	esac
+)" = "2.3" ] || echo "Error at $LINENO"
+[ "$x.$y" = "1.2" ] || echo "Error at $LINENO"