1 files changed, 27 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_processing/agc2/agc2_testing_common_unittest.cc b/third_party/libwebrtc/modules/audio_processing/agc2/agc2_testing_common_unittest.cc
new file mode 100644
index 0000000000..79c3cc95d9
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_processing/agc2/agc2_testing_common_unittest.cc
@@ -0,0 +1,27 @@
+/*
+ *  Copyright (c) 2018 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.
+ */
+
+#include "modules/audio_processing/agc2/agc2_testing_common.h"
+
+#include "rtc_base/gunit.h"
+
+namespace webrtc {
+
+TEST(GainController2TestingCommon, LinSpace) {
+  std::vector<double> points1 = test::LinSpace(-1.0, 2.0, 4);
+  const std::vector<double> expected_points1{{-1.0, 0.0, 1.0, 2.0}};
+  EXPECT_EQ(expected_points1, points1);
+
+  std::vector<double> points2 = test::LinSpace(0.0, 1.0, 4);
+  const std::vector<double> expected_points2{{0.0, 1.0 / 3.0, 2.0 / 3.0, 1.0}};
+  EXPECT_EQ(points2, expected_points2);
+}
+
+}  // namespace webrtc