31 static char *get_concatenated_string(struct kunit *test, struct string_stream *stream)  in get_concatenated_string()  argument
35 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, str);  in get_concatenated_string()
36 	kunit_add_action(test, kfree_wrapper, (void *)str);  in get_concatenated_string()
42 static void string_stream_managed_init_test(struct kunit *test)  in string_stream_managed_init_test()  argument
47 	stream = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_managed_init_test()
48 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);  in string_stream_managed_init_test()
50 	KUNIT_EXPECT_EQ(test, stream->length, 0);  in string_stream_managed_init_test()
51 	KUNIT_EXPECT_TRUE(test, list_empty(&stream->fragments));  in string_stream_managed_init_test()
52 	KUNIT_EXPECT_TRUE(test, (stream->gfp == GFP_KERNEL));  in string_stream_managed_init_test()
53 	KUNIT_EXPECT_FALSE(test, stream->append_newlines);  in string_stream_managed_init_test()
54 	KUNIT_EXPECT_TRUE(test, string_stream_is_empty(stream));  in string_stream_managed_init_test()
58 static void string_stream_unmanaged_init_test(struct kunit *test)  in string_stream_unmanaged_init_test()  argument
63 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);  in string_stream_unmanaged_init_test()
64 	kunit_add_action(test, cleanup_raw_stream, stream);  in string_stream_unmanaged_init_test()
66 	KUNIT_EXPECT_EQ(test, stream->length, 0);  in string_stream_unmanaged_init_test()
67 	KUNIT_EXPECT_TRUE(test, list_empty(&stream->fragments));  in string_stream_unmanaged_init_test()
68 	KUNIT_EXPECT_TRUE(test, (stream->gfp == GFP_KERNEL));  in string_stream_unmanaged_init_test()
69 	KUNIT_EXPECT_FALSE(test, stream->append_newlines);  in string_stream_unmanaged_init_test()
71 	KUNIT_EXPECT_TRUE(test, string_stream_is_empty(stream));  in string_stream_unmanaged_init_test()
98 static void string_stream_managed_free_test(struct kunit *test)  in string_stream_managed_free_test()  argument
100 	struct string_stream_test_priv *priv = test->priv;  in string_stream_managed_free_test()
106 	kunit_activate_static_stub(test,  in string_stream_managed_free_test()
110 	priv->expected_free_stream = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_managed_free_test()
111 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->expected_free_stream);  in string_stream_managed_free_test()
114 	kunit_free_string_stream(test, priv->expected_free_stream);  in string_stream_managed_free_test()
116 	KUNIT_EXPECT_TRUE(test, priv->stream_was_freed);  in string_stream_managed_free_test()
117 	KUNIT_EXPECT_FALSE(test, priv->stream_free_again);  in string_stream_managed_free_test()
121 static void string_stream_resource_free_test(struct kunit *test)  in string_stream_resource_free_test()  argument
123 	struct string_stream_test_priv *priv = test->priv;  in string_stream_resource_free_test()
126 	fake_test = kunit_kzalloc(test, sizeof(*fake_test), GFP_KERNEL);  in string_stream_resource_free_test()
127 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, fake_test);  in string_stream_resource_free_test()
145 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->expected_free_stream);  in string_stream_resource_free_test()
154 	current->kunit_test = test;  in string_stream_resource_free_test()
156 	KUNIT_EXPECT_TRUE(test, priv->stream_was_freed);  in string_stream_resource_free_test()
157 	KUNIT_EXPECT_FALSE(test, priv->stream_free_again);  in string_stream_resource_free_test()
164 static void string_stream_line_add_test(struct kunit *test)  in string_stream_line_add_test()  argument
172 	stream = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_line_add_test()
173 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);  in string_stream_line_add_test()
182 		KUNIT_ASSERT_LT(test, len, sizeof(line));  in string_stream_line_add_test()
189 	concat_string = get_concatenated_string(test, stream);  in string_stream_line_add_test()
190 	KUNIT_EXPECT_NOT_ERR_OR_NULL(test, concat_string);  in string_stream_line_add_test()
191 	KUNIT_EXPECT_EQ(test, strlen(concat_string), total_len);  in string_stream_line_add_test()
200 		KUNIT_EXPECT_NOT_NULL(test, string_end);  in string_stream_line_add_test()
207 		KUNIT_EXPECT_STREQ(test, pos, line);  in string_stream_line_add_test()
213 	KUNIT_EXPECT_EQ(test, strlen(pos), 0);  in string_stream_line_add_test()
217 static void string_stream_variable_length_line_test(struct kunit *test)  in string_stream_variable_length_line_test()  argument
228 	stream = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_variable_length_line_test()
229 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);  in string_stream_variable_length_line_test()
245 	concat_string = get_concatenated_string(test, stream);  in string_stream_variable_length_line_test()
246 	KUNIT_EXPECT_NOT_ERR_OR_NULL(test, concat_string);  in string_stream_variable_length_line_test()
247 	KUNIT_EXPECT_EQ(test, strlen(concat_string), total_len);  in string_stream_variable_length_line_test()
257 		KUNIT_EXPECT_NOT_NULL(test, string_end);  in string_stream_variable_length_line_test()
263 		KUNIT_EXPECT_STREQ(test, pos, &line[offset]);  in string_stream_variable_length_line_test()
269 	KUNIT_EXPECT_EQ(test, strlen(pos), 0);  in string_stream_variable_length_line_test()
273 static void string_stream_append_test(struct kunit *test)  in string_stream_append_test()  argument
288 	stream_1 = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_append_test()
289 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_1);  in string_stream_append_test()
291 	stream_2 = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_append_test()
292 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_2);  in string_stream_append_test()
296 	KUNIT_EXPECT_EQ(test, strlen(get_concatenated_string(test, stream_1)), 0);  in string_stream_append_test()
302 	stream1_content_before_append = get_concatenated_string(test, stream_1);  in string_stream_append_test()
306 	KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream_1),  in string_stream_append_test()
320 	stream_2_content = get_concatenated_string(test, stream_2);  in string_stream_append_test()
323 	combined_content = kunit_kmalloc(test, combined_length, GFP_KERNEL);  in string_stream_append_test()
324 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, combined_content);  in string_stream_append_test()
328 	KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream_1), combined_content);  in string_stream_append_test()
331 	kunit_free_string_stream(test, stream_1);  in string_stream_append_test()
333 	stream_1 = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_append_test()
334 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_1);  in string_stream_append_test()
337 	KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream_1), stream_2_content);  in string_stream_append_test()
341 static void string_stream_append_auto_newline_test(struct kunit *test)  in string_stream_append_auto_newline_test()  argument
346 	stream_1 = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_append_auto_newline_test()
347 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_1);  in string_stream_append_auto_newline_test()
349 	KUNIT_EXPECT_TRUE(test, stream_1->append_newlines);  in string_stream_append_auto_newline_test()
352 	stream_2 = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_append_auto_newline_test()
353 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_2);  in string_stream_append_auto_newline_test()
360 	KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream_1),  in string_stream_append_auto_newline_test()
363 	kunit_free_string_stream(test, stream_2);  in string_stream_append_auto_newline_test()
364 	stream_2 = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_append_auto_newline_test()
365 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_2);  in string_stream_append_auto_newline_test()
375 	KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream_1),  in string_stream_append_auto_newline_test()
380 static void string_stream_append_empty_string_test(struct kunit *test)  in string_stream_append_empty_string_test()  argument
385 	stream = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_append_empty_string_test()
386 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);  in string_stream_append_empty_string_test()
390 	KUNIT_EXPECT_TRUE(test, string_stream_is_empty(stream));  in string_stream_append_empty_string_test()
391 	KUNIT_EXPECT_TRUE(test, list_empty(&stream->fragments));  in string_stream_append_empty_string_test()
398 	KUNIT_EXPECT_EQ(test, list_count_nodes(&stream->fragments), original_frag_count);  in string_stream_append_empty_string_test()
399 	KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream), "Add this line");  in string_stream_append_empty_string_test()
403 static void string_stream_no_auto_newline_test(struct kunit *test)  in string_stream_no_auto_newline_test()  argument
407 	stream = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_no_auto_newline_test()
408 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);  in string_stream_no_auto_newline_test()
421 	KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream),  in string_stream_no_auto_newline_test()
426 static void string_stream_auto_newline_test(struct kunit *test)  in string_stream_auto_newline_test()  argument
430 	stream = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_auto_newline_test()
431 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);  in string_stream_auto_newline_test()
434 	KUNIT_EXPECT_TRUE(test, stream->append_newlines);  in string_stream_auto_newline_test()
448 	KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream),  in string_stream_auto_newline_test()
456 static void string_stream_performance_test(struct kunit *test)  in string_stream_performance_test()  argument
465 	stream = kunit_alloc_string_stream(test, GFP_KERNEL);  in string_stream_performance_test()
466 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);  in string_stream_performance_test()
496 	kunit_info(test, "Time elapsed:           %lld us\n",  in string_stream_performance_test()
498 	kunit_info(test, "Total string length:    %zu\n", total_string_length);  in string_stream_performance_test()
499 	kunit_info(test, "Bytes requested:        %zu\n", bytes_requested);  in string_stream_performance_test()
500 	kunit_info(test, "Actual bytes allocated: %zu\n", actual_bytes_used);  in string_stream_performance_test()
503 static int string_stream_test_init(struct kunit *test)  in string_stream_test_init()  argument
507 	priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL);  in string_stream_test_init()
511 	test->priv = priv;  in string_stream_test_init()