Move the TestSink for doing IPC tests from chrome/common into IPC and create a new IPC test_support project that references it.

This is necessary because I want to make a test that uses the sink outside of chrome.

TEST=this is a test
BUG=none
Review URL: http://codereview.chromium.org/6290008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@72044 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 60 insertions, 0 deletions

diff --git a/ipc/ipc_test_sink.cc b/ipc/ipc_test_sink.cc
new file mode 100644
index 0000000..95900b6
--- /dev/null
+++ b/ipc/ipc_test_sink.cc
@@ -0,0 +1,60 @@
+// Copyright (c) 2011 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 "ipc/ipc_test_sink.h"
+
+#include "ipc/ipc_message.h"
+
+namespace IPC {
+
+TestSink::TestSink() {
+}
+
+TestSink::~TestSink() {
+}
+
+bool TestSink::Send(Message* message) {
+  OnMessageReceived(*message);
+  delete message;
+  return true;
+}
+
+bool TestSink::OnMessageReceived(const Message& msg) {
+  messages_.push_back(Message(msg));
+  return true;
+}
+
+void TestSink::ClearMessages() {
+  messages_.clear();
+}
+
+const Message* TestSink::GetMessageAt(size_t index) const {
+  if (index >= messages_.size())
+    return NULL;
+  return &messages_[index];
+}
+
+const Message* TestSink::GetFirstMessageMatching(uint32 id) const {
+  for (size_t i = 0; i < messages_.size(); i++) {
+    if (messages_[i].type() == id)
+      return &messages_[i];
+  }
+  return NULL;
+}
+
+const Message* TestSink::GetUniqueMessageMatching(uint32 id) const {
+  size_t found_index = 0;
+  size_t found_count = 0;
+  for (size_t i = 0; i < messages_.size(); i++) {
+    if (messages_[i].type() == id) {
+      found_count++;
+      found_index = i;
+    }
+  }
+  if (found_count != 1)
+    return NULL;  // Didn't find a unique one.
+  return &messages_[found_index];
+}
+
+}  // namespace IPC