t4008: modernise style

diff --git a/t/t1506-rev-parse-diagnosis.sh b/t/t1506-rev-parse-diagnosis.sh
index f950c101287c2f05bbd70c1faffbcf2cda1edbee..613d9bfe1bbb153d1c2e647aee26a60e07a6af86 100755 (executable)
--- a/t/t1506-rev-parse-diagnosis.sh
+++ b/t/t1506-rev-parse-diagnosis.sh
@@ -196,4 +196,28 @@ test_expect_success 'dotdot is not an empty set' '
        test_cmp expect actual
 '
 
+test_expect_success 'arg before dashdash must be a revision (missing)' '
+       test_must_fail git rev-parse foobar -- 2>stderr &&
+       test_i18ngrep "bad revision" stderr
+'
+
+test_expect_success 'arg before dashdash must be a revision (file)' '
+       >foobar &&
+       test_must_fail git rev-parse foobar -- 2>stderr &&
+       test_i18ngrep "bad revision" stderr
+'
+
+test_expect_success 'arg before dashdash must be a revision (ambiguous)' '
+       >foobar &&
+       git update-ref refs/heads/foobar HEAD &&
+       {
+               # we do not want to use rev-parse here, because
+               # we are testing it
+               cat .git/refs/heads/foobar &&
+               printf "%s\n" --
+       } >expect &&
+       git rev-parse foobar -- >actual &&
+       test_cmp expect actual
+'
+
 test_done