1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/wtf/sequence_bound.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/test/task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
namespace {
constexpr int kTestValue = 42;
struct Foo {
Foo() = default;
void Bar(int) {}
int Baz() { return kTestValue; }
};
} // namespace
class SequenceBoundTest : public testing::Test {
public:
void CheckValue(base::RunLoop* run_loop, int* dest_value, int value) {
*dest_value = value;
run_loop->Quit();
}
protected:
base::test::TaskEnvironment task_environment_;
};
TEST_F(SequenceBoundTest, CanInstantiate) {
SequenceBound<Foo> sequence_bound(
base::ThreadPool::CreateSingleThreadTaskRunner({}));
sequence_bound.AsyncCall(&Foo::Bar).WithArgs(5);
sequence_bound.PostTaskWithThisObject(CrossThreadBindOnce([](Foo* foo) {}));
int test_value = -1;
base::RunLoop run_loop;
sequence_bound.AsyncCall(&Foo::Baz).Then(CrossThreadBindOnce(
&SequenceBoundTest::CheckValue, CrossThreadUnretained(this),
CrossThreadUnretained(&run_loop), CrossThreadUnretained(&test_value)));
run_loop.Run();
EXPECT_EQ(test_value, kTestValue);
}
} // namespace blink
|
