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
new file mode 100644
index 0000000000000000000000000000000000000000..e4deb685dad63a89763ea0f15064225ff4b26b3a
--- /dev/null
+++ b/media/audio/point_unittest.cc
@@ -0,0 +1,57 @@
+// 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, IsValid) {
+  {
+    const Point point;
+    EXPECT_TRUE(point.IsValid());
+  }
+  {
+    const Point point(0, -1, 5.5);
+    EXPECT_TRUE(point.IsValid());
+  }
+  {
+    const Point point(NAN, 0, 0);
+    EXPECT_FALSE(point.IsValid());
+  }
+  {
+    const Point point(0, 0, INFINITY);

[ajm, 2015/09/02 18:23:04]

MSVC gave an "overflow in constant arithmetic" error on INFINITY here so I just
removed the test. Apparently this is thrown for any floating point expression
which compile-time evaluates to infinity.

+    EXPECT_FALSE(point.IsValid());
+  }
+}
+
+TEST(PointTest, ToString) {
+  const std::string point_string = "x=0.000, y=1.000, z=-1.000";
+  const Point point(0, 1, -1);
+  EXPECT_EQ(point_string, point.ToString());
+}
+
+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