Fix UB in the integer overflow check in Layer::Layer()
[chromium-blink-merge.git] / ipc / ipc_test_sink.cc
blob070fe1235d138a90554ffa87c7e5caab5d94e126
1 // Copyright (c) 2011 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.
5 #include "ipc/ipc_test_sink.h"
7 #include "ipc/ipc_listener.h"
8 #include "ipc/ipc_message.h"
10 namespace IPC {
12 TestSink::TestSink() {
15 TestSink::~TestSink() {
18 bool TestSink::Send(Message* message) {
19 OnMessageReceived(*message);
20 delete message;
21 return true;
24 bool TestSink::OnMessageReceived(const Message& msg) {
25 ObserverListBase<Listener>::Iterator it(filter_list_);
26 Listener* observer;
27 while ((observer = it.GetNext()) != NULL) {
28 if (observer->OnMessageReceived(msg))
29 return true;
32 // No filter handled the message, so store it.
33 messages_.push_back(Message(msg));
34 return true;
37 void TestSink::ClearMessages() {
38 messages_.clear();
41 const Message* TestSink::GetMessageAt(size_t index) const {
42 if (index >= messages_.size())
43 return NULL;
44 return &messages_[index];
47 const Message* TestSink::GetFirstMessageMatching(uint32 id) const {
48 for (size_t i = 0; i < messages_.size(); i++) {
49 if (messages_[i].type() == id)
50 return &messages_[i];
52 return NULL;
55 const Message* TestSink::GetUniqueMessageMatching(uint32 id) const {
56 size_t found_index = 0;
57 size_t found_count = 0;
58 for (size_t i = 0; i < messages_.size(); i++) {
59 if (messages_[i].type() == id) {
60 found_count++;
61 found_index = i;
64 if (found_count != 1)
65 return NULL; // Didn't find a unique one.
66 return &messages_[found_index];
69 void TestSink::AddFilter(Listener* filter) {
70 filter_list_.AddObserver(filter);
73 void TestSink::RemoveFilter(Listener* filter) {
74 filter_list_.RemoveObserver(filter);
77 } // namespace IPC