1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/barrier_closure.h"
6
7#include "base/bind.h"
8#include "testing/gtest/include/gtest/gtest.h"
9
10namespace {
11
12void Increment(int* count) { (*count)++; }
13
14TEST(BarrierClosureTest, RunImmediatelyForZeroClosures) {
15  int count = 0;
16  base::Closure doneClosure(base::Bind(&Increment, base::Unretained(&count)));
17
18  base::Closure barrierClosure = base::BarrierClosure(0, doneClosure);
19  EXPECT_EQ(1, count);
20}
21
22TEST(BarrierClosureTest, RunAfterNumClosures) {
23  int count = 0;
24  base::Closure doneClosure(base::Bind(&Increment, base::Unretained(&count)));
25
26  base::Closure barrierClosure = base::BarrierClosure(2, doneClosure);
27  EXPECT_EQ(0, count);
28
29  barrierClosure.Run();
30  EXPECT_EQ(0, count);
31
32  barrierClosure.Run();
33  EXPECT_EQ(1, count);
34}
35
36}  // namespace
37