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/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/desktop_capture/desktop_geometry.h"
#include "test/gtest.h"
namespace webrtc {
TEST(DesktopRectTest, UnionBetweenTwoNonEmptyRects) {
DesktopRect rect = DesktopRect::MakeLTRB(1, 1, 2, 2);
rect.UnionWith(DesktopRect::MakeLTRB(-2, -2, -1, -1));
ASSERT_TRUE(rect.equals(DesktopRect::MakeLTRB(-2, -2, 2, 2)));
}
TEST(DesktopRectTest, UnionWithEmptyRect) {
DesktopRect rect = DesktopRect::MakeWH(1, 1);
rect.UnionWith(DesktopRect());
ASSERT_TRUE(rect.equals(DesktopRect::MakeWH(1, 1)));
rect = DesktopRect::MakeXYWH(1, 1, 2, 2);
rect.UnionWith(DesktopRect());
ASSERT_TRUE(rect.equals(DesktopRect::MakeXYWH(1, 1, 2, 2)));
rect = DesktopRect::MakeXYWH(1, 1, 2, 2);
rect.UnionWith(DesktopRect::MakeXYWH(3, 3, 0, 0));
ASSERT_TRUE(rect.equals(DesktopRect::MakeXYWH(1, 1, 2, 2)));
}
TEST(DesktopRectTest, EmptyRectUnionWithNonEmptyOne) {
DesktopRect rect;
rect.UnionWith(DesktopRect::MakeWH(1, 1));
ASSERT_TRUE(rect.equals(DesktopRect::MakeWH(1, 1)));
rect = DesktopRect();
rect.UnionWith(DesktopRect::MakeXYWH(1, 1, 2, 2));
ASSERT_TRUE(rect.equals(DesktopRect::MakeXYWH(1, 1, 2, 2)));
rect = DesktopRect::MakeXYWH(3, 3, 0, 0);
rect.UnionWith(DesktopRect::MakeXYWH(1, 1, 2, 2));
ASSERT_TRUE(rect.equals(DesktopRect::MakeXYWH(1, 1, 2, 2)));
}
TEST(DesktopRectTest, EmptyRectUnionWithEmptyOne) {
DesktopRect rect;
rect.UnionWith(DesktopRect());
ASSERT_TRUE(rect.is_empty());
rect = DesktopRect::MakeXYWH(1, 1, 0, 0);
rect.UnionWith(DesktopRect());
ASSERT_TRUE(rect.is_empty());
rect = DesktopRect();
rect.UnionWith(DesktopRect::MakeXYWH(1, 1, 0, 0));
ASSERT_TRUE(rect.is_empty());
rect = DesktopRect::MakeXYWH(1, 1, 0, 0);
rect.UnionWith(DesktopRect::MakeXYWH(-1, -1, 0, 0));
ASSERT_TRUE(rect.is_empty());
}
TEST(DesktopRectTest, Scale) {
DesktopRect rect = DesktopRect::MakeXYWH(100, 100, 100, 100);
rect.Scale(1.1, 1.1);
ASSERT_EQ(rect.top(), 100);
ASSERT_EQ(rect.left(), 100);
ASSERT_EQ(rect.width(), 110);
ASSERT_EQ(rect.height(), 110);
rect = DesktopRect::MakeXYWH(100, 100, 100, 100);
rect.Scale(0.01, 0.01);
ASSERT_EQ(rect.top(), 100);
ASSERT_EQ(rect.left(), 100);
ASSERT_EQ(rect.width(), 1);
ASSERT_EQ(rect.height(), 1);
rect = DesktopRect::MakeXYWH(100, 100, 100, 100);
rect.Scale(1.1, 0.9);
ASSERT_EQ(rect.top(), 100);
ASSERT_EQ(rect.left(), 100);
ASSERT_EQ(rect.width(), 110);
ASSERT_EQ(rect.height(), 90);
rect = DesktopRect::MakeXYWH(0, 0, 100, 100);
rect.Scale(1.1, 1.1);
ASSERT_EQ(rect.top(), 0);
ASSERT_EQ(rect.left(), 0);
ASSERT_EQ(rect.width(), 110);
ASSERT_EQ(rect.height(), 110);
rect = DesktopRect::MakeXYWH(0, 100, 100, 100);
rect.Scale(1.1, 1.1);
ASSERT_EQ(rect.top(), 100);
ASSERT_EQ(rect.left(), 0);
ASSERT_EQ(rect.width(), 110);
ASSERT_EQ(rect.height(), 110);
}
} // namespace webrtc