t7810-grep: test multiple --grep with and without --all-match

diff --git a/t/t7810-grep.sh b/t/t7810-grep.sh
index 180e9986977b40209647422ffbf3c1d80ecbc68c..b841909315e5604ac51558c07cb5f71155401463 100755 (executable)
--- a/t/t7810-grep.sh
+++ b/t/t7810-grep.sh
@@ -479,6 +479,22 @@ test_expect_success 'log grep (6)' '
        test_cmp expect actual
 '
 
+test_expect_success 'log with multiple --grep uses union' '
+       git log --grep=i --grep=r --format=%s >actual &&
+       {
+               echo fourth && echo third && echo initial
+       } >expect &&
+       test_cmp expect actual
+'
+
+test_expect_success 'log --all-match with multiple --grep uses intersection' '
+       git log --all-match --grep=i --grep=r --format=%s >actual &&
+       {
+               echo third
+       } >expect &&
+       test_cmp expect actual
+'
+
 test_expect_success 'log --grep --author implicitly uses all-match' '
        # grep matches initial and second but not third
        # author matches only initial and third