text: // Copyright 2016 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 "cc/layers/viewport.h"
  
  #include <stddef.h>
  
  #include "cc/test/layer_test_common.h"
  #include "testing/gtest/include/gtest/gtest.h"
  
  namespace cc {
  
  TEST(ViewportTest, ShouldAnimateViewport) {
    EXPECT_TRUE(Viewport::ShouldAnimateViewport(gfx::Vector2dF(10, 1),
                                                gfx::Vector2dF(8, 5)));
    EXPECT_TRUE(Viewport::ShouldAnimateViewport(gfx::Vector2dF(0, 10),
                                                gfx::Vector2dF(4, 8)));
    EXPECT_TRUE(Viewport::ShouldAnimateViewport(gfx::Vector2dF(10, 10),
                                                gfx::Vector2dF(8, 9)));
  
    EXPECT_FALSE(Viewport::ShouldAnimateViewport(gfx::Vector2dF(8, 10),
                                                 gfx::Vector2dF(8, 10)));
    EXPECT_FALSE(Viewport::ShouldAnimateViewport(gfx::Vector2dF(8, 10),
                                                 gfx::Vector2dF(10, 0)));
    EXPECT_FALSE(Viewport::ShouldAnimateViewport(gfx::Vector2dF(10, 10),
                                                 gfx::Vector2dF(10, 18)));
  }
  
  }  // namespace cc
  