Add a Pepper audio basic functionality unit test.

chrome/renderer/pepper_devices_unittest.cc

 // Copyright (c) 2010 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 <map>
 #include <vector>
 
 #include "base/string_util.h"
 #include "build/build_config.h"
 #include "chrome/common/render_messages.h"
@@ skipping 99 matching lines @@
 
   NPP npp() const { return pepper_plugin_->instance()->npp(); }
 
  protected:
   // Logs that the given flush command was called in flush_calls.
   static void FlushCalled(NPP instance,
                           NPDeviceContext* context,
                           NPError err,
                           NPUserData* user_data);
 
+  // Audio callback, currently empty.
+  static void AudioCallback(NPDeviceContextAudio* context);
+
   // A log of flush commands we can use to check the async callbacks.
   struct FlushData {
     NPP instance;
     NPDeviceContext* context;
     NPError err;
     NPUserData* user_data;
   };
   std::vector<FlushData> flush_calls_;
 
  private:
@@ skipping 81 matching lines @@
   PepperDeviceTest* that = active_tests[instance];
 
   FlushData flush_data;
   flush_data.instance = instance;
   flush_data.context = context;
   flush_data.err = err;
   flush_data.user_data = user_data;
   that->flush_calls_.push_back(flush_data);
 }
 
+void PepperDeviceTest::AudioCallback(NPDeviceContextAudio* context) {
+}
+
+
 // -----------------------------------------------------------------------------
 
 // TODO(brettw) this crashes on Mac. Figure out why and enable.
 #if !defined(OS_MACOSX)
 
 TEST_F(PepperDeviceTest, Flush) {
   // Create a 2D device.
   NPDeviceContext2DConfig config;
   NPDeviceContext2D context;
   EXPECT_EQ(NPERR_NO_ERROR,
@@ skipping 12 matching lines @@
   MessageLoop::current()->RunAllPending();
   EXPECT_TRUE(flush_calls_.empty());
   EXPECT_TRUE(render_thread_.sink().GetFirstMessageMatching(
       ViewHostMsg_UpdateRect::ID));
 
   // Send a paint ACK, this should trigger the callback.
   view_->OnMessageReceived(ViewMsg_UpdateRect_ACK(view_->routing_id()));
   EXPECT_EQ(1u, flush_calls_.size());
 }
 #endif
+
+TEST_F(PepperDeviceTest, AudioInit) {
+  NPDeviceContextAudioConfig config;
+  config.sampleRate = NPAudioSampleRate44100Hz;
+  config.sampleType = NPAudioSampleTypeInt16;
+  config.outputChannelMap = NPAudioChannelStereo;
+  config.callback = &AudioCallback;
+  config.userData = this;
+  NPDeviceContextAudio context;
+  EXPECT_EQ(NPERR_NO_ERROR,
+            pepper_plugin()->DeviceAudioInitializeContext(&config, &context));
+  EXPECT_TRUE(render_thread_.sink().GetFirstMessageMatching(
+      ViewHostMsg_CreateAudioStream::ID));
+  EXPECT_EQ(0, memcmp(&config, &context.config, sizeof(config)));
+  EXPECT_EQ(NPERR_NO_ERROR,
+            pepper_plugin()->DeviceAudioDestroyContext(&context));
+  EXPECT_TRUE(render_thread_.sink().GetFirstMessageMatching(
+      ViewHostMsg_CloseAudioStream::ID));
+}
+