133 lines
3.2 KiB
C
133 lines
3.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* KUnit test for core test infrastructure.
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*
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* Copyright (C) 2018, Google LLC.
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* Author: Brendan Higgins <brendanhiggins@google.com>
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*/
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#include <kunit/test.h>
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typedef void (*test_resource_free_t)(struct KUNIT_RESOURCE_T *);
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/*
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* Context for testing test managed resources
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* is_resource_initialized is used to test arbitrary resources
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*/
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struct test_test_context {
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struct KUNIT_T test;
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bool is_resource_initialized;
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};
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static int fake_resource_init(struct KUNIT_RESOURCE_T *res, void *context)
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{
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struct test_test_context *ctx = context;
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res->allocation = &ctx->is_resource_initialized;
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ctx->is_resource_initialized = true;
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return 0;
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}
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static void fake_resource_free(struct KUNIT_RESOURCE_T *res)
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{
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bool *is_resource_initialized = res->allocation;
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*is_resource_initialized = false;
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}
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static void test_test_init_resources(struct KUNIT_T *test)
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{
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struct test_test_context *ctx = test->priv;
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test_init_test(&ctx->test, "testing_test_init_test");
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EXPECT_TRUE(test, list_empty(&ctx->test.resources));
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}
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static void test_test_alloc_resource(struct KUNIT_T *test)
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{
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struct test_test_context *ctx = test->priv;
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struct KUNIT_RESOURCE_T *res;
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res = test_alloc_resource(&ctx->test,
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fake_resource_init,
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fake_resource_free,
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ctx);
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ASSERT_NOT_ERR_OR_NULL(test, res);
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EXPECT_EQ(test, &ctx->is_resource_initialized, res->allocation);
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EXPECT_TRUE(test, list_is_last(&res->node, &ctx->test.resources));
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EXPECT_EQ(test,
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(test_resource_free_t)fake_resource_free,
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(test_resource_free_t)res->free);
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}
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static void test_test_free_resource(struct KUNIT_T *test)
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{
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struct test_test_context *ctx = test->priv;
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struct KUNIT_RESOURCE_T *res = test_alloc_resource(&ctx->test,
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fake_resource_init,
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fake_resource_free,
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ctx);
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test_free_resource(&ctx->test, res);
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EXPECT_EQ(test, false, ctx->is_resource_initialized);
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EXPECT_TRUE(test, list_empty(&ctx->test.resources));
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}
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static void test_test_cleanup_resources(struct KUNIT_T *test)
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{
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int i;
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/* FIXME: error: ISO C90 forbids variable length array ‘resources’ */
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/* const int num_res = 5; */
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struct test_test_context *ctx = test->priv;
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struct KUNIT_RESOURCE_T *resources[5];
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for (i = 0; i < 5; i++) {
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resources[i] = test_alloc_resource(&ctx->test,
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fake_resource_init,
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fake_resource_free,
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ctx);
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}
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test_cleanup(&ctx->test);
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EXPECT_TRUE(test, list_empty(&ctx->test.resources));
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}
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static int test_test_init(struct KUNIT_T *test)
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{
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struct test_test_context *ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
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if (!ctx)
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return -ENOMEM;
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test->priv = ctx;
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test_init_test(&ctx->test, "test_test_context");
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return 0;
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}
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static void test_test_exit(struct KUNIT_T *test)
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{
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struct test_test_context *ctx = test->priv;
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test_cleanup(&ctx->test);
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kfree(ctx);
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}
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static struct KUNIT_CASE_T test_test_cases[] = {
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TEST_CASE(test_test_init_resources),
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TEST_CASE(test_test_alloc_resource),
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TEST_CASE(test_test_free_resource),
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TEST_CASE(test_test_cleanup_resources),
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{},
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};
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static struct KUNIT_SUITE_T test_test_module = {
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.name = "test-test",
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.init = test_test_init,
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.exit = test_test_exit,
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.test_cases = test_test_cases,
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};
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kunit_test_suites(&test_test_module);
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