1 files changed, 69 insertions, 0 deletions
diff --git a/chromium/ui/gfx/geometry/point3_unittest.cc b/chromium/ui/gfx/geometry/point3_unittest.cc
new file mode 100644
index 00000000000..77f20d79963
--- /dev/null
+++ b/chromium/ui/gfx/geometry/point3_unittest.cc
@@ -0,0 +1,69 @@
+// Copyright (c) 2012 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 "base/basictypes.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/geometry/point3_f.h"
+
+namespace gfx {
+
+TEST(Point3Test, VectorArithmetic) {
+  gfx::Point3F a(1.6f, 5.1f, 3.2f);
+  gfx::Vector3dF v1(3.1f, -3.2f, 9.3f);
+  gfx::Vector3dF v2(-8.1f, 1.2f, 3.3f);
+
+  static const struct {
+    gfx::Point3F expected;
+    gfx::Point3F actual;
+  } tests[] = {
+    { gfx::Point3F(4.7f, 1.9f, 12.5f), a + v1 },
+    { gfx::Point3F(-1.5f, 8.3f, -6.1f), a - v1 },
+    { a, a - v1 + v1 },
+    { a, a + v1 - v1 },
+    { a, a + gfx::Vector3dF() },
+    { gfx::Point3F(12.8f, 0.7f, 9.2f), a + v1 - v2 },
+    { gfx::Point3F(-9.6f, 9.5f, -2.8f), a - v1 + v2 }
+  };
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i)
+    EXPECT_EQ(tests[i].expected.ToString(),
+              tests[i].actual.ToString());
+
+  a += v1;
+  EXPECT_EQ(Point3F(4.7f, 1.9f, 12.5f).ToString(), a.ToString());
+
+  a -= v2;
+  EXPECT_EQ(Point3F(12.8f, 0.7f, 9.2f).ToString(), a.ToString());
+}
+
+TEST(Point3Test, VectorFromPoints) {
+  gfx::Point3F a(1.6f, 5.2f, 3.2f);
+  gfx::Vector3dF v1(3.1f, -3.2f, 9.3f);
+
+  gfx::Point3F b(a + v1);
+  EXPECT_EQ((b - a).ToString(), v1.ToString());
+}
+
+TEST(Point3Test, Scale) {
+  EXPECT_EQ(Point3F().ToString(), ScalePoint(Point3F(), 2.f).ToString());
+  EXPECT_EQ(Point3F().ToString(),
+            ScalePoint(Point3F(), 2.f, 2.f, 2.f).ToString());
+
+  EXPECT_EQ(Point3F(2.f, -2.f, 4.f).ToString(),
+            ScalePoint(Point3F(1.f, -1.f, 2.f), 2.f).ToString());
+  EXPECT_EQ(Point3F(2.f, -3.f, 8.f).ToString(),
+            ScalePoint(Point3F(1.f, -1.f, 2.f), 2.f, 3.f, 4.f).ToString());
+
+  Point3F zero;
+  zero.Scale(2.f);
+  zero.Scale(6.f, 3.f, 1.5f);
+  EXPECT_EQ(Point3F().ToString(), zero.ToString());
+
+  Point3F point(1.f, -1.f, 2.f);
+  point.Scale(2.f);
+  point.Scale(6.f, 3.f, 1.5f);
+  EXPECT_EQ(Point3F(12.f, -6.f, 6.f).ToString(), point.ToString());
+}
+
+}  // namespace gfx