1// SPDX-License-Identifier: GPL-2.0
2/*
3 * KUnit test for struct string_stream.
4 *
5 * Copyright (C) 2019, Google LLC.
6 * Author: Brendan Higgins <brendanhiggins@google.com>
7 */
8
9#include <kunit/test.h>
10#include <linux/slab.h>
11
12#include "string-stream.h"
13
14static void string_stream_test_empty_on_creation(struct kunit *test)
15{
16	struct string_stream *stream = alloc_string_stream(test, GFP_KERNEL);
17
18	KUNIT_EXPECT_TRUE(test, string_stream_is_empty(stream));
19}
20
21static void string_stream_test_not_empty_after_add(struct kunit *test)
22{
23	struct string_stream *stream = alloc_string_stream(test, GFP_KERNEL);
24
25	string_stream_add(stream, "Foo");
26
27	KUNIT_EXPECT_FALSE(test, string_stream_is_empty(stream));
28}
29
30static void string_stream_test_get_string(struct kunit *test)
31{
32	struct string_stream *stream = alloc_string_stream(test, GFP_KERNEL);
33	char *output;
34
35	string_stream_add(stream, "Foo");
36	string_stream_add(stream, " %s", "bar");
37
38	output = string_stream_get_string(stream);
39	KUNIT_ASSERT_STREQ(test, output, "Foo bar");
40}
41
42static struct kunit_case string_stream_test_cases[] = {
43	KUNIT_CASE(string_stream_test_empty_on_creation),
44	KUNIT_CASE(string_stream_test_not_empty_after_add),
45	KUNIT_CASE(string_stream_test_get_string),
46	{}
47};
48
49static struct kunit_suite string_stream_test_suite = {
50	.name = "string-stream-test",
51	.test_cases = string_stream_test_cases
52};
53kunit_test_suites(&string_stream_test_suite);
54