From 935c68573f8e63468723dc2691957637e4e6bcb7 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <june@causal.agency>
Date: Thu, 10 Jan 2019 18:48:02 -0500
Subject: Import /usr/src/bin/sh from FreeBSD 12.0-RELEASE

---
 bin/cash/tests/expansion/plus-minus3.0 | 44 ++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 bin/cash/tests/expansion/plus-minus3.0

(limited to 'bin/cash/tests/expansion/plus-minus3.0')

diff --git a/bin/cash/tests/expansion/plus-minus3.0 b/bin/cash/tests/expansion/plus-minus3.0
new file mode 100644
index 00000000..0e551060
--- /dev/null
+++ b/bin/cash/tests/expansion/plus-minus3.0
@@ -0,0 +1,44 @@
+# $FreeBSD: releng/12.0/bin/sh/tests/expansion/plus-minus3.0 206817 2010-04-18 22:13:45Z jilles $
+
+e= q='?' a='*' t=texttext s='ast*que?non' p='/et[c]/' w='a b c' b='{{(#)}}'
+h='##'
+failures=''
+ok=''
+
+testcase() {
+	code="$1"
+	expected="$2"
+	oIFS="$IFS"
+	eval "$code"
+	IFS='|'
+	result="$#|$*"
+	IFS="$oIFS"
+	if [ "x$result" = "x$expected" ]; then
+		ok=x$ok
+	else
+		failures=x$failures
+		echo "For $code, expected $expected actual $result"
+	fi
+}
+
+# We follow original ash behaviour for quoted ${var+-=?} expansions:
+# a double-quote in one switches back to unquoted state.
+# This allows expanding a variable as a single word if it is set
+# and substituting multiple words otherwise.
+# It is also close to the Bourne and Korn shells.
+# POSIX leaves this undefined, and various other shells treat
+# such double-quotes as introducing a second level of quoting
+# which does not do much except quoting close braces.
+
+testcase 'set -- "${p+"/et[c]/"}"'		'1|/etc/'
+testcase 'set -- "${p-"/et[c]/"}"'		'1|/et[c]/'
+testcase 'set -- "${p+"$p"}"'			'1|/etc/'
+testcase 'set -- "${p-"$p"}"'			'1|/et[c]/'
+testcase 'set -- "${p+"""/et[c]/"}"'		'1|/etc/'
+testcase 'set -- "${p-"""/et[c]/"}"'		'1|/et[c]/'
+testcase 'set -- "${p+"""$p"}"'			'1|/etc/'
+testcase 'set -- "${p-"""$p"}"'			'1|/et[c]/'
+testcase 'set -- "${p+"\@"}"'			'1|@'
+testcase 'set -- "${p+"'\''/et[c]/'\''"}"'	'1|/et[c]/'
+
+test "x$failures" = x
-- 
cgit 1.4.1