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Unified Diff: base/test/scoped_task_scheduler_unittest.cc

Issue 2557083002: Run ScopedTaskScheduler tasks synchronously. (Closed)
Patch Set: git cl try Created 4 years ago
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Index: base/test/scoped_task_scheduler_unittest.cc
diff --git a/base/test/scoped_task_scheduler_unittest.cc b/base/test/scoped_task_scheduler_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3142066e12070c57adf9167db58fbee382a1c149
--- /dev/null
+++ b/base/test/scoped_task_scheduler_unittest.cc
@@ -0,0 +1,210 @@
+// Copyright 2016 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/test/scoped_task_scheduler.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/macros.h"
+#include "base/run_loop.h"
+#include "base/sequence_checker.h"
+#include "base/task_scheduler/post_task.h"
+#include "base/task_scheduler/test_utils.h"
+#include "base/threading/sequenced_task_runner_handle.h"
+#include "base/threading/thread_checker.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "build/build_config.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+namespace test {
+
+namespace {
+
+class ScopedTaskSchedulerTest : public testing::Test {
+ public:
+ ScopedTaskSchedulerTest() {
+ sequence_checker_.DetachFromSequence();
+ thread_checker_.DetachFromThread();
gab 2016/12/08 20:15:45 Why detach?
fdoray 2016/12/09 16:26:42 Added comment.
+ }
+
+ SequenceCheckerImpl sequence_checker_;
+ ThreadCheckerImpl thread_checker_;
gab 2016/12/08 20:15:45 If all you need is these two members and they're u
fdoray 2016/12/09 16:26:42 Done.
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(ScopedTaskSchedulerTest);
+};
+
+} // namespace
+
+TEST_F(ScopedTaskSchedulerTest, PostTask) {
+ ScopedTaskScheduler scoped_task_scheduler;
+ bool first_task_ran = false;
+ bool second_task_ran = false;
+
+ PostTask(FROM_HERE,
+ Bind(
+ [](ScopedTaskSchedulerTest* test, bool* first_task_ran) {
+ EXPECT_FALSE(SequencedTaskRunnerHandle::IsSet());
+ EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
+ EXPECT_TRUE(test->sequence_checker_.CalledOnValidSequence());
+ EXPECT_TRUE(test->thread_checker_.CalledOnValidThread());
+ *first_task_ran = true;
+ },
+ Unretained(this), Unretained(&first_task_ran)));
+
+ PostTask(FROM_HERE,
+ Bind(
+ [](ScopedTaskSchedulerTest* test, bool* second_task_ran) {
+ EXPECT_FALSE(SequencedTaskRunnerHandle::IsSet());
+ EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
+ EXPECT_FALSE(test->sequence_checker_.CalledOnValidSequence());
+ EXPECT_FALSE(test->thread_checker_.CalledOnValidThread());
+ *second_task_ran = true;
+ },
+ Unretained(this), Unretained(&second_task_ran)));
+
+ RunLoop().RunUntilIdle();
+
+ EXPECT_TRUE(first_task_ran);
+ EXPECT_TRUE(second_task_ran);
+}
+
+TEST_F(ScopedTaskSchedulerTest, CreateTaskRunnerAndPostTask) {
+ ScopedTaskScheduler scoped_task_scheduler;
+ auto task_runner = CreateTaskRunnerWithTraits(TaskTraits());
+ bool first_task_ran = false;
+ bool second_task_ran = false;
+
+ task_runner->PostTask(
+ FROM_HERE,
+ Bind(
+ [](ScopedTaskSchedulerTest* test, bool* first_task_ran) {
+ EXPECT_FALSE(SequencedTaskRunnerHandle::IsSet());
+ EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
+ EXPECT_TRUE(test->sequence_checker_.CalledOnValidSequence());
+ EXPECT_TRUE(test->thread_checker_.CalledOnValidThread());
+ *first_task_ran = true;
+ },
+ Unretained(this), Unretained(&first_task_ran)));
+
+ task_runner->PostTask(
+ FROM_HERE,
+ Bind(
+ [](ScopedTaskSchedulerTest* test, bool* second_task_ran) {
+ EXPECT_FALSE(SequencedTaskRunnerHandle::IsSet());
+ EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
+ EXPECT_FALSE(test->sequence_checker_.CalledOnValidSequence());
+ EXPECT_FALSE(test->thread_checker_.CalledOnValidThread());
+ *second_task_ran = true;
+ },
+ Unretained(this), Unretained(&second_task_ran)));
+
+ RunLoop().RunUntilIdle();
+
+ EXPECT_TRUE(first_task_ran);
+ EXPECT_TRUE(second_task_ran);
+}
+
+TEST_F(ScopedTaskSchedulerTest, CreateSequencedTaskRunnerAndPostTask) {
+ ScopedTaskScheduler scoped_task_scheduler;
+ auto task_runner = CreateSequencedTaskRunnerWithTraits(TaskTraits());
+ bool first_task_ran = false;
+ bool second_task_ran = false;
+
+ task_runner->PostTask(
+ FROM_HERE,
+ Bind(
+ [](ScopedTaskSchedulerTest* test, bool* first_task_ran) {
+ EXPECT_TRUE(SequencedTaskRunnerHandle::IsSet());
+ EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
+ EXPECT_TRUE(test->sequence_checker_.CalledOnValidSequence());
+ EXPECT_TRUE(test->thread_checker_.CalledOnValidThread());
+ *first_task_ran = true;
+ },
+ Unretained(this), Unretained(&first_task_ran)));
+
+ task_runner->PostTask(
+ FROM_HERE,
+ Bind(
+ [](ScopedTaskSchedulerTest* test, bool* second_task_ran) {
+ EXPECT_TRUE(SequencedTaskRunnerHandle::IsSet());
+ EXPECT_FALSE(ThreadTaskRunnerHandle::IsSet());
+ EXPECT_TRUE(test->sequence_checker_.CalledOnValidSequence());
+ EXPECT_FALSE(test->thread_checker_.CalledOnValidThread());
+ *second_task_ran = true;
+ },
+ Unretained(this), Unretained(&second_task_ran)));
+
+ RunLoop().RunUntilIdle();
+
+ EXPECT_TRUE(first_task_ran);
+ EXPECT_TRUE(second_task_ran);
+}
+
+TEST_F(ScopedTaskSchedulerTest, CreateSingleThreadTaskRunnerAndPostTask) {
+ ScopedTaskScheduler scoped_task_scheduler;
+ auto task_runner = CreateSingleThreadTaskRunnerWithTraits(TaskTraits());
+ bool first_task_ran = false;
+ bool second_task_ran = false;
+
+ task_runner->PostTask(
+ FROM_HERE,
+ Bind(
+ [](ScopedTaskSchedulerTest* test, bool* first_task_ran) {
+ EXPECT_TRUE(SequencedTaskRunnerHandle::IsSet());
+ EXPECT_TRUE(ThreadTaskRunnerHandle::IsSet());
+ EXPECT_TRUE(test->sequence_checker_.CalledOnValidSequence());
+ EXPECT_TRUE(test->thread_checker_.CalledOnValidThread());
+ *first_task_ran = true;
+ },
+ Unretained(this), Unretained(&first_task_ran)));
+
+ task_runner->PostTask(
+ FROM_HERE,
+ Bind(
+ [](ScopedTaskSchedulerTest* test, bool* second_task_ran) {
+ EXPECT_TRUE(SequencedTaskRunnerHandle::IsSet());
+ EXPECT_TRUE(ThreadTaskRunnerHandle::IsSet());
+ EXPECT_TRUE(test->sequence_checker_.CalledOnValidSequence());
+ EXPECT_TRUE(test->thread_checker_.CalledOnValidThread());
+ *second_task_ran = true;
+ },
+ Unretained(this), Unretained(&second_task_ran)));
+
+ RunLoop().RunUntilIdle();
+
+ EXPECT_TRUE(first_task_ran);
+ EXPECT_TRUE(second_task_ran);
+}
+
+TEST_F(ScopedTaskSchedulerTest, ShutdownBehavior) {
+ bool block_shutdown_task_ran = false;
+ {
+ ScopedTaskScheduler scoped_task_scheduler;
+ PostTaskWithTraits(
+ FROM_HERE, TaskTraits().WithShutdownBehavior(
+ TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN),
+ Bind([]() {
+ ADD_FAILURE() << "CONTINUE_ON_SHUTDOWN task should not run";
+ }));
+ PostTaskWithTraits(FROM_HERE, TaskTraits().WithShutdownBehavior(
+ TaskShutdownBehavior::SKIP_ON_SHUTDOWN),
+ Bind([]() {
+ ADD_FAILURE()
+ << "SKIP_ON_SHUTDOWN task should not run";
+ }));
+ PostTaskWithTraits(FROM_HERE, TaskTraits().WithShutdownBehavior(
+ TaskShutdownBehavior::BLOCK_SHUTDOWN),
+ Bind(
+ [](bool* block_shutdown_task_ran) {
+ *block_shutdown_task_ran = true;
+ },
+ Unretained(&block_shutdown_task_ran)));
+ }
+ EXPECT_TRUE(block_shutdown_task_ran);
+}
+
+} // namespace test
+} // namespace base

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