1 files changed, 103 insertions, 0 deletions

diff --git a/src/regress/lib/libc/getopt/getopt.sh b/src/regress/lib/libc/getopt/getopt.sh
new file mode 100644
index 0000000000..97668fc262
--- /dev/null
+++ b/src/regress/lib/libc/getopt/getopt.sh
@@ -0,0 +1,103 @@
+#!/bin/sh
+#
+# $OpenBSD: getopt.sh,v 1.1 2020/03/23 03:01:21 schwarze Exp $
+#
+# Copyright (c) 2020 Ingo Schwarze <schwarze@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+# Run ./getopt-test once.
+# Function arguments:
+# 1. optstring argument for getopt(3)
+# 2. space-separated command line arguments
+# 3. expected output from ./getopt-test
+test1_getopt()
+{
+        result=$(OPTS=$1 ./getopt-test $2)
+        test "$result" == "$3" && return
+        echo "OPTS=$1 ./getopt-test $2"
+        echo "expected: $3"
+        echo "result:   $result"
+        irc=1
+}
+
+# Test both without and with the optstring modifier "+",
+# verifying that it makes no difference.
+test2_getopt()
+{
+        test1_getopt "$1" "$2" "$3"
+        test1_getopt "+$1" "$2" "$3"
+}
+
+# Also test with the GNU "-" optstring modifier,
+# veryfying that it only changes ARG() to NONE().
+# This test function is inadequate in two situations:
+# a) options follow non-option arguments that terminate option processing
+# b) or any arguments follow explicit "--".
+# In these cases, use test2_getopt() plus a separate test1_getopt(-...).
+test3_getopt()
+{
+        test2_getopt "$1" "$2" "$3"
+        test1_getopt "-$1" "$2" $(echo $3 | sed s/ARG/NONE/g)
+}
+
+irc=0
+
+# isolated options without arguments
+test3_getopt ax '-a -x arg' 'OPT(a)OPT(x)ARG(arg)'
+test3_getopt ax '-a -y arg' 'OPT(a)ERR(?y)ARG(arg)'
+test1_getopt :ax '-a -y arg' 'OPT(a)ERR(?y)ARG(arg)'
+
+# grouped options without arguments
+test3_getopt ax '-ax arg' 'OPT(a)OPT(x)ARG(arg)'
+test3_getopt ax '-ay arg' 'OPT(a)ERR(?y)ARG(arg)'
+test1_getopt :ax '-ay arg' 'OPT(a)ERR(?y)ARG(arg)'
+
+# non-option arguments terminating option processing
+test2_getopt ax '-a arg -x' 'OPT(a)ARG(arg)ARG(-x)'
+test1_getopt -ax '-a arg1 -x arg2' 'OPT(a)NONE(arg1)OPT(x)NONE(arg2)'
+test2_getopt ax '-a -- -x' 'OPT(a)ARG(-x)'
+test1_getopt -ax '-a -- -x' 'OPT(a)ARG(-x)'
+test2_getopt ax '-a - -x' 'OPT(a)ARG(-)ARG(-x)'
+test1_getopt -ax '-a - -x arg' 'OPT(a)NONE(-)OPT(x)NONE(arg)'
+
+# the '-' option only works when isolated
+test3_getopt a- '-a - -x arg' 'OPT(a)OPT(-)ERR(?x)ARG(arg)'
+test1_getopt :a- '-a - -x arg' 'OPT(a)OPT(-)ERR(?x)ARG(arg)'
+test1_getopt --a '-a - -x arg' 'OPT(a)OPT(-)ERR(?x)NONE(arg)'
+test3_getopt ax '-a-x arg' 'OPT(a)ERR(?-)OPT(x)ARG(arg)'
+test3_getopt a-x '-a-x arg' 'OPT(a)ERR(?-)OPT(x)ARG(arg)'
+
+# the ':' option never works
+test1_getopt ::a '-:a arg' 'ERR(?:)OPT(a)ARG(arg)'
+test1_getopt :::a '-: arg -a' 'ERR(?:)ARG(arg)ARG(-a)'
+
+# isolated options with arguments
+test3_getopt o: '-o' 'ERR(?o)'
+test1_getopt :o: '-o' 'ERR(:o)'
+test3_getopt o:x '-o arg -x arg' 'OPT(oarg)OPT(x)ARG(arg)'
+test3_getopt o::x '-oarg -x arg' 'OPT(oarg)OPT(x)ARG(arg)'
+test2_getopt o::x '-o arg -x' 'OPT(o)ARG(arg)ARG(-x)'
+test1_getopt -o::x '-o arg1 -x arg2' 'OPT(o)NONE(arg1)OPT(x)NONE(arg2)'
+test3_getopt o:x '-o -- -x arg' 'OPT(o--)OPT(x)ARG(arg)'
+
+# grouped options with arguments
+test3_getopt ao: '-ao' 'OPT(a)ERR(?o)'
+test1_getopt :ao: '-ao' 'OPT(a)ERR(:o)'
+test3_getopt ao:x '-ao arg -x arg' 'OPT(a)OPT(oarg)OPT(x)ARG(arg)'
+test3_getopt ao::x '-aoarg -x arg' 'OPT(a)OPT(oarg)OPT(x)ARG(arg)'
+test2_getopt ao::x '-ao arg -x' 'OPT(a)OPT(o)ARG(arg)ARG(-x)'
+test1_getopt -ao::x '-ao arg1 -x arg2' 'OPT(a)OPT(o)NONE(arg1)OPT(x)NONE(arg2)'
+test3_getopt ao:x '-ao -- -x arg' 'OPT(a)OPT(o--)OPT(x)ARG(arg)'
+
+exit $irc