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      1 /*
      2  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 // TODO(bjornv): Make this a comprehensive test.
     12 
     13 #include "webrtc/modules/audio_processing/aec/echo_cancellation.h"
     14 
     15 #include <stdlib.h>
     16 #include <time.h>
     17 
     18 extern "C" {
     19 #include "webrtc/modules/audio_processing/aec/aec_core.h"
     20 }
     21 
     22 #include "testing/gtest/include/gtest/gtest.h"
     23 #include "webrtc/base/checks.h"
     24 
     25 namespace webrtc {
     26 
     27 TEST(EchoCancellationTest, CreateAndFreeHasExpectedBehavior) {
     28   void* handle = WebRtcAec_Create();
     29   ASSERT_TRUE(handle);
     30   WebRtcAec_Free(nullptr);
     31   WebRtcAec_Free(handle);
     32 }
     33 
     34 TEST(EchoCancellationTest, ApplyAecCoreHandle) {
     35   void* handle = WebRtcAec_Create();
     36   ASSERT_TRUE(handle);
     37   EXPECT_TRUE(WebRtcAec_aec_core(NULL) == NULL);
     38   AecCore* aec_core = WebRtcAec_aec_core(handle);
     39   EXPECT_TRUE(aec_core != NULL);
     40   // A simple test to verify that we can set and get a value from the lower
     41   // level |aec_core| handle.
     42   int delay = 111;
     43   WebRtcAec_SetSystemDelay(aec_core, delay);
     44   EXPECT_EQ(delay, WebRtcAec_system_delay(aec_core));
     45   WebRtcAec_Free(handle);
     46 }
     47 
     48 }  // namespace webrtc
     49