diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh
index 92e9137d1c9549300cba2fab9549cc84981bd1b4..61589853df55e063fbe6489fc9c6effc4a9f33b6 100755 (executable)
--- a/t/t4017-diff-retval.sh
+++ b/t/t4017-diff-retval.sh
. ./test-lib.sh
test_expect_success 'setup' '
+ echo "1 " >a &&
+ git add . &&
+ git commit -m zeroth &&
echo 1 >a &&
git add . &&
git commit -m first &&
git commit -a -m second
'
+test_expect_success 'git diff --quiet -w HEAD^^ HEAD^' '
+ git diff --quiet -w HEAD^^ HEAD^
+'
+
+test_expect_success 'git diff --quiet HEAD^^ HEAD^' '
+ test_must_fail git diff --quiet HEAD^^ HEAD^
+'
+
+test_expect_success 'git diff --quiet -w HEAD^ HEAD' '
+ test_must_fail git diff --quiet -w HEAD^ HEAD
+'
+
test_expect_success 'git diff-tree HEAD^ HEAD' '
git diff-tree --exit-code HEAD^ HEAD
test $? = 1