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

diff --git a/t/t4118-apply-empty-context.sh b/t/t4118-apply-empty-context.sh
index 1d531caf798b9e8dfbe17714ad1eb09be14f7f93..65f2e4c3efb9ae5b5459e15df337e07201d78c38 100755 (executable)
--- a/t/t4118-apply-empty-context.sh
+++ b/t/t4118-apply-empty-context.sh
@@ -20,10 +20,10 @@ test_expect_success setup '
                cat file1 &&
                echo Q | tr -d "\\012"
        } >file2 &&
-       cat file2 >file2.orig
+       cat file2 >file2.orig &&
        git add file1 file2 &&
        sed -e "/^B/d" <file1.orig >file1 &&
-       sed -e "/^[BQ]/d" <file2.orig >file2 &&
+       cat file1 > file2 &&
        echo Q | tr -d "\\012" >>file2 &&
        cat file1 >file1.mods &&
        cat file2 >file2.mods &&
@@ -38,7 +38,7 @@ test_expect_success 'apply --numstat' '
                echo "0 1       file1" &&
                echo "0 1       file2"
        } >expect &&
-       git diff expect actual
+       test_cmp expect actual
 
 '
 
@@ -48,8 +48,8 @@ test_expect_success 'apply --apply' '
        cat file2.orig >file2 &&
        git update-index file1 file2 &&
        git apply --index diff.output &&
-       git diff file1.mods file1 &&
-       git diff file2.mods file2
+       test_cmp file1.mods file1 &&
+       test_cmp file2.mods file2
 '
 
 test_done