test-lib: add the '--stress' option to run a test repeatedly under load

diff --git a/t/t6000-rev-list-misc.sh b/t/t6000-rev-list-misc.sh
index 969e4e9e5261640dc690806ed06f8e58e760633f..05079997291fe295aacc80be1f26fd7002f0a898 100755 (executable)
--- a/t/t6000-rev-list-misc.sh
+++ b/t/t6000-rev-list-misc.sh
@@ -58,8 +58,7 @@ test_expect_success 'rev-list A..B and rev-list ^A B are the same' '
 
 test_expect_success 'propagate uninteresting flag down correctly' '
        git rev-list --objects ^HEAD^{tree} HEAD^{tree} >actual &&
-       >expect &&
-       test_cmp expect actual
+       test_must_be_empty actual
 '
 
 test_expect_success 'symleft flag bit is propagated down from tag' '
@@ -91,11 +90,18 @@ test_expect_success 'rev-list can show index objects' '
        9200b628cf9dc883a85a7abc8d6e6730baee589c two
        EOF
        echo only-in-index >only-in-index &&
+       test_when_finished "git reset --hard" &&
        git add only-in-index &&
        git rev-list --objects --indexed-objects >actual &&
        test_cmp expect actual
 '
 
+test_expect_success 'rev-list can negate index objects' '
+       git rev-parse HEAD >expect &&
+       git rev-list -1 --objects HEAD --not --indexed-objects >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success '--bisect and --first-parent can not be combined' '
        test_must_fail git rev-list --bisect --first-parent HEAD
 '