git-grep: Bail out when -P is used with -F or -E

[git.git] / t / t7810-grep.sh

diff --git a/t/t7810-grep.sh b/t/t7810-grep.sh
index e845218f67a4d14160900884bb0b0d9c8785ba97..2a31eca5f257e674390bee1a93eb5a867262eff5 100755 (executable)
--- a/t/t7810-grep.sh
+++ b/t/t7810-grep.sh
@@ -637,4 +637,20 @@ test_expect_success LIBPCRE 'grep -P -w pattern' '
        test_cmp expected actual
 '
 
+test_expect_success LIBPCRE 'grep -P -F returns error' '
+       test_expect_code 128 git grep -P -F main
+'
+
+test_expect_success LIBPCRE 'grep -P -E returns error' '
+       test_expect_code 128 git grep -P -E main
+'
+
+test_expect_failure LIBPCRE 'grep -P -G returns error' '
+       test_expect_code 128 git grep -P -G main
+'
+
+test_expect_failure LIBPCRE 'grep -P -E -G returns error' '
+       test_expect_code 128 git grep -P -E -G main
+'
+
 test_done