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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/include/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 
     24 namespace webrtc {
     25 
     26 TEST(EchoCancellationTest, CreateAndFreeHandlesErrors) {
     27   EXPECT_EQ(-1, WebRtcAec_Create(NULL));
     28   void* handle = NULL;
     29   ASSERT_EQ(0, WebRtcAec_Create(&handle));
     30   EXPECT_TRUE(handle != NULL);
     31   EXPECT_EQ(-1, WebRtcAec_Free(NULL));
     32   EXPECT_EQ(0, WebRtcAec_Free(handle));
     33 }
     34 
     35 TEST(EchoCancellationTest, ApplyAecCoreHandle) {
     36   void* handle = NULL;
     37   ASSERT_EQ(0, WebRtcAec_Create(&handle));
     38   EXPECT_TRUE(handle != NULL);
     39   EXPECT_TRUE(WebRtcAec_aec_core(NULL) == NULL);
     40   AecCore* aec_core = WebRtcAec_aec_core(handle);
     41   EXPECT_TRUE(aec_core != NULL);
     42   // A simple test to verify that we can set and get a value from the lower
     43   // level |aec_core| handle.
     44   int delay = 111;
     45   WebRtcAec_SetSystemDelay(aec_core, delay);
     46   EXPECT_EQ(delay, WebRtcAec_system_delay(aec_core));
     47   EXPECT_EQ(0, WebRtcAec_Free(handle));
     48 }
     49 
     50 }  // namespace webrtc
     51