test: fix mishandling of "test '(' = '('" and similar

function                                             old     new   delta
test_main                                            246     350    +104

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/testsuite/test.tests b/testsuite/test.tests
index 2c92e34ba..1c2edaf62 100755
--- a/testsuite/test.tests
+++ b/testsuite/test.tests
@@ -76,4 +76,24 @@ testing "test ! a = b -a ! c = d: should be true (0)" \
         "0\n" \
         "" ""
 
+testing "test '!' = '!': should be true (0)" \
+        "busybox test '!' = '!'; echo \$?" \
+        "0\n" \
+        "" ""
+
+testing "test '(' = '(': should be true (0)" \
+        "busybox test '(' = '('; echo \$?" \
+        "0\n" \
+        "" ""
+
+testing "test '!' '!' = '!': should be false (1)" \
+        "busybox test '!' '!' = '!'; echo \$?" \
+        "1\n" \
+        "" ""
+
+testing "test '!' '(' = '(': should be false (1)" \
+        "busybox test '!' '(' = '('; echo \$?" \
+        "1\n" \
+        "" ""
+
 exit $FAILCOUNT