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      1 /*
      2  * libjingle
      3  * Copyright 2013, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include "talk/app/webrtc/localaudiosource.h"
     29 
     30 #include <string>
     31 #include <vector>
     32 
     33 #include "talk/app/webrtc/test/fakeconstraints.h"
     34 #include "talk/base/gunit.h"
     35 #include "talk/media/base/fakemediaengine.h"
     36 #include "talk/media/base/fakevideorenderer.h"
     37 #include "talk/media/devices/fakedevicemanager.h"
     38 
     39 using webrtc::LocalAudioSource;
     40 using webrtc::MediaConstraintsInterface;
     41 using webrtc::MediaSourceInterface;
     42 
     43 TEST(LocalAudioSourceTest, SetValidOptions) {
     44   webrtc::FakeConstraints constraints;
     45   constraints.AddMandatory(MediaConstraintsInterface::kEchoCancellation, false);
     46   constraints.AddOptional(
     47       MediaConstraintsInterface::kExperimentalEchoCancellation, true);
     48   constraints.AddOptional(MediaConstraintsInterface::kAutoGainControl, true);
     49   constraints.AddOptional(
     50       MediaConstraintsInterface::kExperimentalAutoGainControl, true);
     51   constraints.AddMandatory(MediaConstraintsInterface::kNoiseSuppression, false);
     52   constraints.AddOptional(MediaConstraintsInterface::kHighpassFilter, true);
     53 
     54   talk_base::scoped_refptr<LocalAudioSource> source =
     55       LocalAudioSource::Create(&constraints);
     56 
     57   bool value;
     58   EXPECT_TRUE(source->options().echo_cancellation.Get(&value));
     59   EXPECT_FALSE(value);
     60   EXPECT_TRUE(source->options().experimental_aec.Get(&value));
     61   EXPECT_TRUE(value);
     62   EXPECT_TRUE(source->options().auto_gain_control.Get(&value));
     63   EXPECT_TRUE(value);
     64   EXPECT_TRUE(source->options().experimental_agc.Get(&value));
     65   EXPECT_TRUE(value);
     66   EXPECT_TRUE(source->options().noise_suppression.Get(&value));
     67   EXPECT_FALSE(value);
     68   EXPECT_TRUE(source->options().highpass_filter.Get(&value));
     69   EXPECT_TRUE(value);
     70 }
     71 
     72 TEST(LocalAudioSourceTest, OptionNotSet) {
     73   webrtc::FakeConstraints constraints;
     74   talk_base::scoped_refptr<LocalAudioSource> source =
     75       LocalAudioSource::Create(&constraints);
     76   bool value;
     77   EXPECT_FALSE(source->options().highpass_filter.Get(&value));
     78 }
     79 
     80 TEST(LocalAudioSourceTest, MandatoryOverridesOptional) {
     81   webrtc::FakeConstraints constraints;
     82   constraints.AddMandatory(MediaConstraintsInterface::kEchoCancellation, false);
     83   constraints.AddOptional(MediaConstraintsInterface::kEchoCancellation, true);
     84 
     85   talk_base::scoped_refptr<LocalAudioSource> source =
     86       LocalAudioSource::Create(&constraints);
     87 
     88   bool value;
     89   EXPECT_TRUE(source->options().echo_cancellation.Get(&value));
     90   EXPECT_FALSE(value);
     91 }
     92 
     93 TEST(LocalAudioSourceTest, InvalidOptional) {
     94   webrtc::FakeConstraints constraints;
     95   constraints.AddOptional(MediaConstraintsInterface::kHighpassFilter, false);
     96   constraints.AddOptional("invalidKey", false);
     97 
     98   talk_base::scoped_refptr<LocalAudioSource> source =
     99       LocalAudioSource::Create(&constraints);
    100 
    101   EXPECT_EQ(MediaSourceInterface::kLive, source->state());
    102   bool value;
    103   EXPECT_TRUE(source->options().highpass_filter.Get(&value));
    104   EXPECT_FALSE(value);
    105 }
    106 
    107 TEST(LocalAudioSourceTest, InvalidMandatory) {
    108   webrtc::FakeConstraints constraints;
    109   constraints.AddMandatory(MediaConstraintsInterface::kHighpassFilter, false);
    110   constraints.AddMandatory("invalidKey", false);
    111 
    112   talk_base::scoped_refptr<LocalAudioSource> source =
    113       LocalAudioSource::Create(&constraints);
    114 
    115   EXPECT_EQ(MediaSourceInterface::kEnded, source->state());
    116   bool value;
    117   EXPECT_FALSE(source->options().highpass_filter.Get(&value));
    118 }
    119