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- // 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 "ui/gfx/geometry/size.h"
- #include "testing/gtest/include/gtest/gtest.h"
- namespace gfx {
- TEST(SizeTest, SetToMinMax) {
- Size a;
- a = Size(3, 5);
- EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
- a.SetToMax(Size(2, 4));
- EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
- a.SetToMax(Size(3, 5));
- EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
- a.SetToMax(Size(4, 2));
- EXPECT_EQ(Size(4, 5).ToString(), a.ToString());
- a.SetToMax(Size(8, 10));
- EXPECT_EQ(Size(8, 10).ToString(), a.ToString());
- a.SetToMin(Size(9, 11));
- EXPECT_EQ(Size(8, 10).ToString(), a.ToString());
- a.SetToMin(Size(8, 10));
- EXPECT_EQ(Size(8, 10).ToString(), a.ToString());
- a.SetToMin(Size(11, 9));
- EXPECT_EQ(Size(8, 9).ToString(), a.ToString());
- a.SetToMin(Size(7, 11));
- EXPECT_EQ(Size(7, 9).ToString(), a.ToString());
- a.SetToMin(Size(3, 5));
- EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
- }
- TEST(SizeTest, Enlarge) {
- Size test(3, 4);
- test.Enlarge(5, -8);
- EXPECT_EQ(test, Size(8, -4));
- }
- TEST(SizeTest, IntegerOverflow) {
- int int_max = std::numeric_limits<int>::max();
- int int_min = std::numeric_limits<int>::min();
- Size max_size(int_max, int_max);
- Size min_size(int_min, int_min);
- Size test;
- test = Size();
- test.Enlarge(int_max, int_max);
- EXPECT_EQ(test, max_size);
- test = Size();
- test.Enlarge(int_min, int_min);
- EXPECT_EQ(test, min_size);
- test = Size(10, 20);
- test.Enlarge(int_max, int_max);
- EXPECT_EQ(test, max_size);
- test = Size(-10, -20);
- test.Enlarge(int_min, int_min);
- EXPECT_EQ(test, min_size);
- }
- TEST(SizeTest, OperatorAddSub) {
- Size lhs(100, 20);
- Size rhs(50, 10);
- lhs += rhs;
- EXPECT_EQ(Size(150, 30), lhs);
- lhs = Size(100, 20);
- EXPECT_EQ(Size(150, 30), lhs + rhs);
- lhs = Size(100, 20);
- lhs -= rhs;
- EXPECT_EQ(Size(50, 10), lhs);
- lhs = Size(100, 20);
- EXPECT_EQ(Size(50, 10), lhs - rhs);
- }
- TEST(SizeTest, OperatorAddOverflow) {
- int int_max = std::numeric_limits<int>::max();
- Size lhs(int_max, int_max);
- Size rhs(int_max, int_max);
- EXPECT_EQ(Size(int_max, int_max), lhs + rhs);
- }
- TEST(SizeTest, OperatorSubClampAtZero) {
- Size lhs(10, 10);
- Size rhs(100, 100);
- EXPECT_EQ(Size(0, 0), lhs - rhs);
- lhs = Size(10, 10);
- rhs = Size(100, 100);
- lhs -= rhs;
- EXPECT_EQ(Size(0, 0), lhs);
- }
- TEST(SizeTest, OperatorCompare) {
- Size lhs(100, 20);
- Size rhs(50, 10);
- EXPECT_TRUE(lhs != rhs);
- EXPECT_FALSE(lhs == rhs);
- rhs = Size(100, 20);
- EXPECT_TRUE(lhs == rhs);
- EXPECT_FALSE(lhs != rhs);
- }
- TEST(SizeTest, Transpose) {
- gfx::Size s(1, 2);
- EXPECT_EQ(gfx::Size(2, 1), TransposeSize(s));
- s.Transpose();
- EXPECT_EQ(gfx::Size(2, 1), s);
- }
- } // namespace gfx
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