Reland of New statistics interface for APM

webrtc/modules/audio_processing/audio_processing_unittest.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 911 matching lines @@
     EXPECT_EQ(apm_->kNoError,
         apm_->echo_cancellation()->set_suppression_level(level[i]));
     EXPECT_EQ(level[i],
         apm_->echo_cancellation()->suppression_level());
   }
 
   EchoCancellation::Metrics metrics;
   EXPECT_EQ(apm_->kNotEnabledError,
             apm_->echo_cancellation()->GetMetrics(&metrics));
 
+  EXPECT_EQ(apm_->kNoError, apm_->echo_cancellation()->Enable(true));
+  EXPECT_TRUE(apm_->echo_cancellation()->is_enabled());
+
   EXPECT_EQ(apm_->kNoError,
             apm_->echo_cancellation()->enable_metrics(true));
   EXPECT_TRUE(apm_->echo_cancellation()->are_metrics_enabled());
   EXPECT_EQ(apm_->kNoError,
             apm_->echo_cancellation()->enable_metrics(false));
   EXPECT_FALSE(apm_->echo_cancellation()->are_metrics_enabled());
 
-  int median = 0;
-  int std = 0;
-  float poor_fraction = 0;
-  EXPECT_EQ(apm_->kNotEnabledError,
-            apm_->echo_cancellation()->GetDelayMetrics(&median, &std,
-                                                       &poor_fraction));
-
   EXPECT_EQ(apm_->kNoError,
             apm_->echo_cancellation()->enable_delay_logging(true));
   EXPECT_TRUE(apm_->echo_cancellation()->is_delay_logging_enabled());
   EXPECT_EQ(apm_->kNoError,
             apm_->echo_cancellation()->enable_delay_logging(false));
   EXPECT_FALSE(apm_->echo_cancellation()->is_delay_logging_enabled());
 
+  EXPECT_EQ(apm_->kNoError, apm_->echo_cancellation()->Enable(false));
+  EXPECT_FALSE(apm_->echo_cancellation()->is_enabled());
+
+  int median = 0;
+  int std = 0;
+  float poor_fraction = 0;
+  EXPECT_EQ(apm_->kNotEnabledError, apm_->echo_cancellation()->GetDelayMetrics(
+                                        &median, &std, &poor_fraction));
+
   EXPECT_EQ(apm_->kNoError, apm_->echo_cancellation()->Enable(true));
   EXPECT_TRUE(apm_->echo_cancellation()->is_enabled());
   EXPECT_EQ(apm_->kNoError, apm_->echo_cancellation()->Enable(false));
   EXPECT_FALSE(apm_->echo_cancellation()->is_enabled());
 
   EXPECT_EQ(apm_->kNoError, apm_->echo_cancellation()->Enable(true));
   EXPECT_TRUE(apm_->echo_cancellation()->is_enabled());
   EXPECT_TRUE(apm_->echo_cancellation()->aec_core() != NULL);
   EXPECT_EQ(apm_->kNoError, apm_->echo_cancellation()->Enable(false));
   EXPECT_FALSE(apm_->echo_cancellation()->is_enabled());
@@ skipping 1909 matching lines @@
   // TODO(peah): Remove the testing for
   // apm->capture_nonlocked_.level_controller_enabled once the value in config_
   // is instead used to activate the level controller.
   EXPECT_FALSE(apm->capture_nonlocked_.level_controller_enabled);
   EXPECT_NEAR(kTargetLcPeakLeveldBFS,
               apm->config_.level_controller.initial_peak_level_dbfs,
               std::numeric_limits<float>::epsilon());
 }
 
 }  // namespace webrtc