Allow setContentDecryptionModule() to get called when setting is done.

media/filters/decrypting_audio_decoder_unittest.cc

 // Copyright (c) 2012 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 <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 36 matching lines @@
 }
 
 // Use anonymous namespace here to prevent the actions to be defined multiple
 // times across multiple test files. Sadly we can't use static for them.
 namespace {
 
 ACTION_P(ReturnBuffer, buffer) {
   return buffer;
 }
 
-ACTION_P(RunCallbackIfNotNull, param) {
-  if (!arg0.is_null())
-    arg0.Run(param);
-}
-
 }  // namespace
 
 class DecryptingAudioDecoderTest : public testing::Test {
  public:
   DecryptingAudioDecoderTest()
       : decoder_(new DecryptingAudioDecoder(
             message_loop_.message_loop_proxy(),
             base::Bind(
                 &DecryptingAudioDecoderTest::RequestDecryptorNotification,
                 base::Unretained(this)))),
@@ skipping 24 matching lines @@
                                                     kFakeAudioFrameSize,
                                                     kNoTimestamp());
     decoded_frame_list_.push_back(decoded_frame_);
 
     decoder_->Initialize(config, NewExpectedStatusCB(status),
                          base::Bind(&DecryptingAudioDecoderTest::FrameReady,
                                     base::Unretained(this)));
     message_loop_.RunUntilIdle();
   }
 
+  void ExpectDecryptorNotification(Decryptor* decryptor, bool expected_result) {
+    EXPECT_CALL(*this, RequestDecryptorNotification(_)).WillOnce(
+        RunCallback<0>(decryptor,
+                       base::Bind(&DecryptingAudioDecoderTest::DecryptorSet,
+                                  base::Unretained(this))));
+    EXPECT_CALL(*this, DecryptorSet(expected_result));
+  }
+
   void Initialize() {
     EXPECT_CALL(*decryptor_, InitializeAudioDecoder(_, _))
         .Times(AtMost(1))
         .WillOnce(RunCallback<1>(true));
-    EXPECT_CALL(*this, RequestDecryptorNotification(_))
-        .WillOnce(RunCallbackIfNotNull(decryptor_.get()));
+    ExpectDecryptorNotification(decryptor_.get(), true);
     EXPECT_CALL(*decryptor_, RegisterNewKeyCB(Decryptor::kAudio, _))
         .WillOnce(SaveArg<1>(&key_added_cb_));
 
     config_.Initialize(kCodecVorbis, kSampleFormatPlanarF32,
                        CHANNEL_LAYOUT_STEREO, kSampleRate, NULL, 0, true, true,
                        base::TimeDelta(), 0);
     InitializeAndExpectStatus(config_, PIPELINE_OK);
   }
 
   void Reinitialize() {
@@ skipping 119 matching lines @@
 
     decoder_.reset();
     message_loop_.RunUntilIdle();
   }
 
   MOCK_METHOD1(RequestDecryptorNotification, void(const DecryptorReadyCB&));
 
   MOCK_METHOD1(FrameReady, void(const scoped_refptr<AudioBuffer>&));
   MOCK_METHOD1(DecodeDone, void(AudioDecoder::Status));
 
+  MOCK_METHOD1(DecryptorSet, void(bool));
+
   base::MessageLoop message_loop_;
   scoped_ptr<DecryptingAudioDecoder> decoder_;
   scoped_ptr<StrictMock<MockDecryptor> > decryptor_;
   AudioDecoderConfig config_;
 
   // Variables to help the |decryptor_| to simulate decoding delay and flushing.
   int num_decrypt_and_decode_calls_;
   int num_frames_in_decryptor_;
 
   Decryptor::DecoderInitCB pending_init_cb_;
@@ skipping 26 matching lines @@
   AudioDecoderConfig config(kUnknownAudioCodec, kUnknownSampleFormat,
                             CHANNEL_LAYOUT_STEREO, 0, NULL, 0, true);
 
   InitializeAndExpectStatus(config, PIPELINE_ERROR_DECODE);
 }
 
 // Ensure decoder handles unsupported audio configs without crashing.
 TEST_F(DecryptingAudioDecoderTest, Initialize_UnsupportedAudioConfig) {
   EXPECT_CALL(*decryptor_, InitializeAudioDecoder(_, _))
       .WillOnce(RunCallback<1>(false));
-  EXPECT_CALL(*this, RequestDecryptorNotification(_))
-      .WillOnce(RunCallbackIfNotNull(decryptor_.get()));
+  ExpectDecryptorNotification(decryptor_.get(), true);
 
   AudioDecoderConfig config(kCodecVorbis, kSampleFormatPlanarF32,
                             CHANNEL_LAYOUT_STEREO, kSampleRate, NULL, 0, true);
   InitializeAndExpectStatus(config, DECODER_ERROR_NOT_SUPPORTED);
 }
 
 TEST_F(DecryptingAudioDecoderTest, Initialize_NullDecryptor) {
-  EXPECT_CALL(*this, RequestDecryptorNotification(_))
-      .WillRepeatedly(RunCallbackIfNotNull(static_cast<Decryptor*>(NULL)));
-
+  ExpectDecryptorNotification(NULL, false);
   AudioDecoderConfig config(kCodecVorbis, kSampleFormatPlanarF32,
                             CHANNEL_LAYOUT_STEREO, kSampleRate, NULL, 0, true);
   InitializeAndExpectStatus(config, DECODER_ERROR_NOT_SUPPORTED);
 }
 
 // Test normal decrypt and decode case.
 TEST_F(DecryptingAudioDecoderTest, DecryptAndDecode_Normal) {
   Initialize();
   EnterNormalDecodingState();
 }
@@ skipping 143 matching lines @@
 
 // Test resetting after the decoder has been reset.
 TEST_F(DecryptingAudioDecoderTest, Reset_AfterReset) {
   Initialize();
   EnterNormalDecodingState();
   Reset();
   Reset();
 }
 
 }  // namespace media