Make sure that awk can handle strings of length 4096 on the command line

and of length 2^20 when copying from stdin to stdout.

1 files changed, 45 insertions, 14 deletions

diff --git a/regress/tools/files/awk-test.sh b/regress/tools/files/awk-test.sh
index e8a83f4b627..8a04a39435c 100644
--- a/regress/tools/files/awk-test.sh
+++ b/regress/tools/files/awk-test.sh
@@ -1,26 +1,57 @@
 #! /bin/sh
-# $NetBSD: awk-test.sh,v 1.2 2005/11/19 21:31:10 rillig Exp $
+# $NetBSD: awk-test.sh,v 1.3 2005/11/19 21:59:51 rillig Exp $
 #
 
 set -e
 
-# usage: assert_equal <expected> <got>
+# usage: assert_equal <testname> <expected> <got>
 assert_equal() {
-	case $1 in
-	"$2")	;;
-	*)	echo "[assert_equal] expected \"$1\", got \"$2\"." 1>&2
-		exit 1;;
+	case $2 in
+	"$3")	;;
+	*)	echo "[assert_equal:$1] expected \"$2\", got \"$3\"." 1>&2
+		return 1;;
 	esac
 }
 
-# usage: test_assignment <input> <expected-output>
+# usage: test_assignment <testname> <input> <expected-output>
 test_assignment() {
-	o=`echo "" | awk '{print var}' var="$1"`
-	assert_equal "$2" "${o}"
+	o=`echo "" | awk '{print var}' var="$2"`
+	assert_equal "$1" "$3" "${o}"
 }
 
-test_assignment "foo" "foo"
-test_assignment "foo bar baz" "foo bar baz"
-# The Solaris /usr/bin/awk does not conform to the POSIX specification,
-# but passes the right hand side of the assignment uninterpreted.
-test_assignment "CPPFLAGS=\\\"-Dfoo=bar\\\"" "CPPFLAGS=\"-Dfoo=bar\""
+# usage: test_passline <testname> <input>
+test_passline() {
+	o=`awk '{print}' <<EOF
+$2
+EOF
+`
+	assert_equal "$1" "$2" "${o}"
+}
+
+#
+# Assignment of variables from the command line. The Solaris
+# /usr/bin/awk does not conform to the POSIX specification, but passes
+# the right hand side of the assignment uninterpreted. It fails the
+# cmd.3 test case. The "for" loop makes sure that awk can handle strings
+# of 4096 bytes length.
+#
+test_assignment "cmd.1" \
+	"foo" "foo"
+test_assignment "cmd.2" \
+	"foo bar baz" "foo bar baz"
+test_assignment "cmd.3" \
+	"CPPFLAGS=\\\"-Dfoo=bar\\\"" "CPPFLAGS=\"-Dfoo=bar\""
+line="a"
+for i in 0 1 2 3 4 5 6 7 8 9 10 11 12; do
+	test_assignment "cmd.2^${i}" "${line}" "${line}"
+done
+
+#
+# Passing strings from stdin to stdout. awk should be able to handle at
+# least 2^20 characters per line.
+#
+line="a"
+for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+	test_passline "line.2^${i}" "${line}"
+	line="${line}${line}"
+done