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      1 // Copyright 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "cc/resources/layer_quad.h"
      6 
      7 #include "testing/gtest/include/gtest/gtest.h"
      8 #include "ui/gfx/quad_f.h"
      9 
     10 namespace cc {
     11 namespace {
     12 
     13 TEST(LayerQuadTest, QuadFConversion) {
     14   gfx::PointF p1(-0.5f, -0.5f);
     15   gfx::PointF p2(0.5f, -0.5f);
     16   gfx::PointF p3(0.5f, 0.5f);
     17   gfx::PointF p4(-0.5f, 0.5f);
     18 
     19   gfx::QuadF quad_cw(p1, p2, p3, p4);
     20   LayerQuad layer_quad_cw(quad_cw);
     21   EXPECT_EQ(layer_quad_cw.ToQuadF(), quad_cw);
     22 
     23   gfx::QuadF quad_ccw(p1, p4, p3, p2);
     24   LayerQuad layer_quad_ccw(quad_ccw);
     25   EXPECT_EQ(layer_quad_ccw.ToQuadF(), quad_ccw);
     26 }
     27 
     28 TEST(LayerQuadTest, Inflate) {
     29   gfx::PointF p1(-0.5f, -0.5f);
     30   gfx::PointF p2(0.5f, -0.5f);
     31   gfx::PointF p3(0.5f, 0.5f);
     32   gfx::PointF p4(-0.5f, 0.5f);
     33 
     34   gfx::QuadF quad(p1, p2, p3, p4);
     35   LayerQuad layer_quad(quad);
     36   quad.Scale(2.f, 2.f);
     37   layer_quad.Inflate(0.5f);
     38   EXPECT_EQ(layer_quad.ToQuadF(), quad);
     39 }
     40 
     41 }  // namespace
     42 }  // namespace cc
     43