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

diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index f10798b2dff35df131fabb351240ebf75952b446..7d985ff6b1bff3c73e4309cde675f67c813d93da 100755 (executable)
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -76,7 +76,7 @@ test_expect_success setup '
 
        mkdir dir3 &&
        cp dir/sub dir3/sub &&
-       test-chmtime +1 dir3/sub &&
+       test-tool chmtime +1 dir3/sub &&
 
        git config log.showroot false &&
        git commit --amend &&
@@ -129,7 +129,7 @@ do
                case "$magic" in
                noellipses) ;;
                *)
-                       die "bug in t4103: unknown magic $magic" ;;
+                       BUG "unknown magic $magic" ;;
                esac ;;
        *)
                cmd="$magic $cmd" magic=
@@ -140,7 +140,7 @@ do
        expect="$TEST_DIRECTORY/t4013/diff.$test"
        actual="$pfx-diff.$test"
 
-       test_expect_success "git $cmd # magic is ${magic:-"(not used)"}" '
+       test_expect_success "git $cmd # magic is ${magic:-(not used)}" '
                {
                        echo "$ git $cmd"
                        case "$magic" in
@@ -361,6 +361,11 @@ diff --no-index --raw dir2 dir
 diff --no-index --raw --abbrev=4 dir2 dir
 :noellipses diff --no-index --raw --abbrev=4 dir2 dir
 diff --no-index --raw --no-abbrev dir2 dir
+
+diff-tree --pretty --root --stat --compact-summary initial
+diff-tree --pretty -R --root --stat --compact-summary initial
+diff-tree --stat --compact-summary initial mode
+diff-tree -R --stat --compact-summary initial mode
 EOF
 
 test_expect_success 'log -S requires an argument' '