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 14 static 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 21 static 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 30 static 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 42 static 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 49 static struct kunit_suite string_stream_test_suite = { 50 .name = "string-stream-test", 51 .test_cases = string_stream_test_cases 52 }; 53 kunit_test_suites(&string_stream_test_suite); 54