lib/kunit/string-stream-test.c

   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);