On Fri, May 27 2022, Shaoxuan Yuan wrote:

+test_expect_failure 'refuse to move out-of-cone directory without --sparse' '
+	git sparse-checkout disable &&
+	git reset --hard &&
+	mkdir folder1 &&
+	touch folder1/file1 &&

We don't usually use "touch file", don't you mean just ">file" here and
below?

+	git add folder1 &&
+	git sparse-checkout init --cone &&
+	git sparse-checkout set sub &&
+
+	test_must_fail git mv folder1 sub 2>stderr &&
+	cat sparse_error_header >expect &&
+	echo folder1/file1 >>expect &&
+	cat sparse_hint >>expect &&
+	test_cmp expect stderr
+'
+
+test_expect_failure 'can move out-of-cone directory with --sparse' '
+	git sparse-checkout disable &&
+	git reset --hard &&
+	mkdir folder1 &&
+	touch folder1/file1 &&
+	git add folder1 &&
+	git sparse-checkout init --cone &&
+	git sparse-checkout set sub &&
+
+	git mv --sparse folder1 sub 1>actual 2>stderr &&

use e.g. "out" and "err" instead of "actual" and "stderr". I.e. when we
test both we use something like that usually.