u-string-list: move "test_split_in_place" to "u-string-list.c"

We use "test-tool string-list split_in_place" to test the
"string_list_split_in_place" function. As we have introduced the unit
test, we'd better remove the logic from shell script to C program to
improve test speed and readability.

Signed-off-by: shejialuo <shejialuo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/t/unit-tests/u-string-list.c b/t/unit-tests/u-string-list.c
index 881720ed6e..d2761e1f2f 100644
--- a/t/unit-tests/u-string-list.c
+++ b/t/unit-tests/u-string-list.c
@@ -53,3 +53,40 @@ void test_string_list__split(void)
 	t_string_list_split("", ':', -1, "", NULL);
 	t_string_list_split(":", ':', -1, "", "", NULL);
 }
+
+static void t_string_list_split_in_place(const char *data, const char *delim,
+					 int maxsplit, ...)
+{
+	struct string_list expected_strings = STRING_LIST_INIT_DUP;
+	struct string_list list = STRING_LIST_INIT_NODUP;
+	char *string = xstrdup(data);
+	va_list ap;
+	int len;
+
+	va_start(ap, maxsplit);
+	t_vcreate_string_list_dup(&expected_strings, 0, ap);
+	va_end(ap);
+
+	string_list_clear(&list, 0);
+	len = string_list_split_in_place(&list, string, delim, maxsplit);
+	cl_assert_equal_i(len, expected_strings.nr);
+	t_string_list_equal(&list, &expected_strings);
+
+	free(string);
+	string_list_clear(&expected_strings, 0);
+	string_list_clear(&list, 0);
+}
+
+void test_string_list__split_in_place(void)
+{
+	t_string_list_split_in_place("foo:;:bar:;:baz:;:", ":;", -1,
+				     "foo", "", "", "bar", "", "", "baz", "", "", "", NULL);
+	t_string_list_split_in_place("foo:;:bar:;:baz", ":;", 0,
+				     "foo:;:bar:;:baz", NULL);
+	t_string_list_split_in_place("foo:;:bar:;:baz", ":;", 1,
+				     "foo", ";:bar:;:baz", NULL);
+	t_string_list_split_in_place("foo:;:bar:;:baz", ":;", 2,
+				     "foo", "", ":bar:;:baz", NULL);
+	t_string_list_split_in_place("foo:;:bar:;:", ":;", -1,
+				     "foo", "", "", "bar", "", "", "", NULL);
+}