Add a virtual beamforming audio device on ChromeOS.

media/audio/point_unittest.cc

Index: media/audio/point_unittest.cc
diff --git a/media/audio/point_unittest.cc b/media/audio/point_unittest.cc
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index 0000000000000000000000000000000000000000..98aec64930697f3e95b7faf94d06fdeff7749859
--- /dev/null
+++ b/media/audio/point_unittest.cc
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+// Copyright (c) 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <cmath>
+
+#include "media/audio/point.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+namespace {
+
+TEST(PointTest, PointsToString) {
+  std::vector<Point> points(1, Point(1, 0, 0.01f));
+  points.push_back(Point(0, 2, 0.02f));
+  EXPECT_EQ("1.000000,0.000000,0.010000, 0.000000,2.000000,0.020000",
+            PointsToString(points));
+
+  EXPECT_EQ("", PointsToString(std::vector<Point>()));
+}
+
+TEST(PointTest, ParsePointString) {
+  const std::vector<Point> expected_empty;
+  EXPECT_EQ(expected_empty, ParsePointsFromString(""));
+  EXPECT_EQ(expected_empty, ParsePointsFromString("0 0 a"));
+  EXPECT_EQ(expected_empty, ParsePointsFromString("1 2"));
+  EXPECT_EQ(expected_empty, ParsePointsFromString("1 2 3 4"));
+
+  {
+    std::vector<Point> expected(1, Point(-0.02f, 0, 0));
+    expected.push_back(Point(0.02f, 0, 0));
+    EXPECT_EQ(expected, ParsePointsFromString("-0.02 0 0 0.02 0 0"));
+  }
+  {
+    std::vector<Point> expected(1, Point(1, 2, 3));
+    EXPECT_EQ(expected, ParsePointsFromString("1 2 3"));
+  }
+}
+
+}  // namespace
+}  // namespace media