Added missing TODOs in the beamformer unit test code.

webrtc/modules/audio_processing/beamformer/nonlinear_beamformer_unittest.cc

 /*
  *  Copyright (c) 2015 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 229 matching lines @@
                     bf.interf_angles_radians_[0]);
     EXPECT_FLOAT_EQ(M_PI / 2.f + bf.away_radians_,
                     bf.interf_angles_radians_[1]);
     bf.AimAt(AzimuthToSphericalPoint(bf.away_radians_ / 2.f));
     EXPECT_EQ(2u, bf.interf_angles_radians_.size());
     EXPECT_FLOAT_EQ(-bf.away_radians_ / 2.f, bf.interf_angles_radians_[0]);
     EXPECT_FLOAT_EQ(3.f * bf.away_radians_ / 2.f, bf.interf_angles_radians_[1]);
   }
 }
 
+// TODO(peah): Add bitexactness tests for scenarios with more than 2 input

[aluebs-webrtc, 2016/03/29 18:59:48]

Maybe move this TODO above CreateArrayGeometry?

[peah-webrtc, 2016/03/29 21:05:01]

Done.

+// channels.
+
+// TODO(peah): Reenable all bitexactness tests once the division-by-zero issue
+// has been resolved.
+
 // TODO(peah): Investigate why the nonlinear_beamformer.cc causes a DCHECK in
 // this setup.
 TEST(BeamformerBitExactnessTest,
      DISABLED_Stereo8kHz_ArrayGeometry1_TargetDirection1) {
   const float kOutputReference[] = {0.001318f, -0.001091f, 0.000990f,
                                     0.001318f, -0.001091f, 0.000990f};
 
   RunBitExactnessTest(AudioProcessing::kSampleRate8kHz, CreateArrayGeometry(1),
                       TargetDirection1, kOutputReference);
 }
@@ skipping 104 matching lines @@
 TEST(BeamformerBitExactnessTest,
      DISABLED_Stereo16kHz_ArrayGeometry3_TargetDirection1) {
   const float kOutputReference[] = {-0.000161f, 0.000171f, -0.000096f,
                                     0.001007f,  0.000427f, 0.000977f};
 
   RunBitExactnessTest(AudioProcessing::kSampleRate16kHz, CreateArrayGeometry(3),
                       TargetDirection1, kOutputReference);
 }
 
 }  // namespace webrtc