Fluff up cmp tests.

diff --git a/tests/cmp.test b/tests/cmp.test
index c3e8f5b..3b2dd1b 100755 (executable)
--- a/tests/cmp.test
+++ b/tests/cmp.test
@@ -22,12 +22,14 @@ testing "EOF, return code" "cmp input input2 2>/dev/null || echo yes" "yes\n" "a
 testing "diff, stdout" "cmp input input2" "input input2 differ: char 4, line 2\n" "ab\nx\nx" ""
 testing "diff, return code" "cmp input input2 > /dev/null || echo yes" "yes\n" "ab\nx\nx" ""
 
-testing "-s EOF, return code" "cmp -s input input2 || echo yes"  "yes\n" "ab\nc\nx" ""
-testing "-s diff, return code" "cmp -s input input2 || echo yes" "yes\n" "ab\nx\nx" ""
+testing "-s EOF, return code" "cmp -s input input2 2>&1 || echo yes"  "yes\n" "ab\nc\nx" ""
+testing "-s diff, return code" "cmp -s input input2 2>&1 || echo yes" "yes\n" "ab\nx\nx" ""
 
 testing "-l EOF, stderr" "cmp -l input input2 2>&1" "cmp: EOF on input2\n" "ab\nc\nx" ""
 testing "-l diff and EOF, stdout and stderr" "cmp -l input input2 2>&1 | sort" "4 170 143\ncmp: EOF on input2\n" "ab\nx\nx" ""
 
+testing "-s not exist" "cmp -s input doesnotexist 2>&1 || echo yes" "yes\n" "" ""
+
 rm input2
 
 testing "stdin and file" "cmp input -" "input - differ: char 4, line 2\n" "ab\nc\n" "ab\nx\n"