123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778 |
- // Copyright 2019 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "base/debug/task_trace.h"
- #include <ostream>
- #include "base/memory/raw_ptr.h"
- #include "base/run_loop.h"
- #include "base/test/bind.h"
- #include "base/test/task_environment.h"
- #include "testing/gtest/include/gtest/gtest.h"
- namespace base {
- namespace debug {
- TEST(TaskTraceTest, NoTask) {
- TaskTrace task_trace;
- EXPECT_TRUE(task_trace.empty());
- EXPECT_EQ(task_trace.AddressesForTesting().size(), 0ul);
- }
- class ThreeTasksTest {
- public:
- ThreeTasksTest() {}
- void Run() {
- task_runner.PostTask(FROM_HERE, base::BindOnce(&ThreeTasksTest::TaskA,
- base::Unretained(this)));
- task_environment.RunUntilIdle();
- }
- void TaskA() {
- TaskTrace task_trace;
- EXPECT_FALSE(task_trace.empty());
- base::span<const void* const> addresses = task_trace.AddressesForTesting();
- EXPECT_EQ(addresses.size(), 1ul);
- task_a_address = addresses[0];
- task_runner.PostTask(FROM_HERE, base::BindOnce(&ThreeTasksTest::TaskB,
- base::Unretained(this)));
- }
- void TaskB() {
- TaskTrace task_trace;
- EXPECT_FALSE(task_trace.empty());
- base::span<const void* const> addresses = task_trace.AddressesForTesting();
- EXPECT_EQ(addresses.size(), 2ul);
- task_b_address = addresses[0];
- EXPECT_EQ(addresses[1], task_a_address);
- task_runner.PostTask(FROM_HERE, base::BindOnce(&ThreeTasksTest::TaskC,
- base::Unretained(this)));
- }
- void TaskC() {
- TaskTrace task_trace;
- EXPECT_FALSE(task_trace.empty());
- base::span<const void* const> addresses = task_trace.AddressesForTesting();
- EXPECT_EQ(addresses.size(), 3ul);
- EXPECT_EQ(addresses[1], task_b_address);
- EXPECT_EQ(addresses[2], task_a_address);
- }
- private:
- base::test::TaskEnvironment task_environment;
- base::SingleThreadTaskRunner& task_runner =
- *task_environment.GetMainThreadTaskRunner();
- raw_ptr<const void> task_a_address = nullptr;
- raw_ptr<const void> task_b_address = nullptr;
- };
- TEST(TaskTraceTest, ThreeTasks) {
- ThreeTasksTest().Run();
- }
- } // namespace debug
- } // namespace base
|