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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/desktop_display_info.h"
#include "base/location.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
// Depending on the platform the origin of the desktop is calculated relative to
// the primary display, or relative to the upper-left of the entire desktop
// region. See comment at DesktopDisplayInfo::CalcDisplayOffset() for more
// information.
#define OS_USES_PRIMARY_DISPLAY_AS_ORIGIN \
BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_CHROMEOS)
class DesktopDisplayInfoTest : public testing::Test {
public:
void AddDisplay(int x, int y, uint32_t width, uint32_t height) {
info_.AddDisplay({/* id */ 0, x, y, width, height,
/* dpi */ 96,
/* bpp */ 24,
/* is_default */ false,
/* display_name */ "test display"});
}
void VerifyDisplayOffset(const base::Location& from_here,
unsigned int id,
int x,
int y) {
webrtc::DesktopVector offset = info_.CalcDisplayOffset(id);
EXPECT_EQ(x, offset.x()) << "Location: " << from_here.ToString();
EXPECT_EQ(y, offset.y()) << "Location: " << from_here.ToString();
}
protected:
DesktopDisplayInfo info_;
};
// o---------+
// | 0 |
// | 300x200 |
// +---------+
// o = desktop origin
TEST_F(DesktopDisplayInfoTest, SingleDisplay) {
AddDisplay(0, 0, 300, 200);
VerifyDisplayOffset(FROM_HERE, 0, 0, 0);
}
// o---------+------------+
// | 0 | 1 |
// | 300x200 | 500x400 |
// +---------+ |
// +------------+
TEST_F(DesktopDisplayInfoTest, DualDisplayRight) {
AddDisplay(0, 0, 300, 200);
AddDisplay(300, 0, 500, 400);
VerifyDisplayOffset(FROM_HERE, 0, 0, 0);
VerifyDisplayOffset(FROM_HERE, 1, 300, 0);
}
// o---------+------------+
// | 1 | 0 |
// | 300x200 | 500x400 |
// +---------+ |
// +------------+
TEST_F(DesktopDisplayInfoTest, DualDisplayRight_ReverseOrder) {
AddDisplay(300, 0, 500, 400);
AddDisplay(0, 0, 300, 200);
VerifyDisplayOffset(FROM_HERE, 0, 300, 0);
VerifyDisplayOffset(FROM_HERE, 1, 0, 0);
}
// +---------o------------+
// | 1 | 0 |
// | 300x200 | 500x400 |
// +---------+ |
// +------------+
TEST_F(DesktopDisplayInfoTest, DualDisplayLeft) {
AddDisplay(0, 0, 500, 400);
AddDisplay(-300, 0, 300, 200);
#if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
VerifyDisplayOffset(FROM_HERE, 0, 0, 0);
VerifyDisplayOffset(FROM_HERE, 1, -300, 0);
#else
VerifyDisplayOffset(FROM_HERE, 0, 300, 0);
VerifyDisplayOffset(FROM_HERE, 1, 0, 0);
#endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
}
// +---------o------------+
// | 0 | 1 |
// | 300x200 | 500x400 |
// +---------+ |
// +------------+
TEST_F(DesktopDisplayInfoTest, DualDisplayLeft_ReverseOrder) {
AddDisplay(-300, 0, 300, 200);
AddDisplay(0, 0, 500, 400);
#if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
VerifyDisplayOffset(FROM_HERE, 0, -300, 0);
VerifyDisplayOffset(FROM_HERE, 1, 0, 0);
#else
VerifyDisplayOffset(FROM_HERE, 0, 0, 0);
VerifyDisplayOffset(FROM_HERE, 1, 300, 0);
#endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
}
// +---------o------------+
// | 0 | 1 +---------+
// | 300x200 | 500x400 | 2 |
// +---------+ | 400x350 |
// +------------+---------+
TEST_F(DesktopDisplayInfoTest, TripleDisplayMiddle) {
AddDisplay(-300, 0, 300, 200);
AddDisplay(0, 0, 500, 400); // Default display.
AddDisplay(500, 50, 400, 350);
#if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
VerifyDisplayOffset(FROM_HERE, 0, -300, 0);
VerifyDisplayOffset(FROM_HERE, 1, 0, 0);
VerifyDisplayOffset(FROM_HERE, 2, 500, 50);
#else
VerifyDisplayOffset(FROM_HERE, 0, 0, 0);
VerifyDisplayOffset(FROM_HERE, 1, 300, 0);
VerifyDisplayOffset(FROM_HERE, 2, 800, 50);
#endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
}
// x o-----------+ - 0
// | 0 |
// +---------+ 500x400 | - 350
// | 2 +-------+---+-------+ - 400
// | 300x200 | | 1 |
// +---------+ | 600x450 | - 550
// +-----------+ - 950
// | | | | |
// -300 0 300 500 900
TEST_F(DesktopDisplayInfoTest, Multimon3) {
AddDisplay(0, 0, 500, 400); // Default display.
AddDisplay(300, 400, 600, 450);
AddDisplay(-300, 350, 300, 200);
#if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
VerifyDisplayOffset(FROM_HERE, 0, 0, 0);
VerifyDisplayOffset(FROM_HERE, 1, 300, 400);
VerifyDisplayOffset(FROM_HERE, 2, -300, 350);
#else
VerifyDisplayOffset(FROM_HERE, 0, 300, 0);
VerifyDisplayOffset(FROM_HERE, 1, 600, 400);
VerifyDisplayOffset(FROM_HERE, 2, 0, 350);
#endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
}
// x +-------+ -- -50
// | 1 |
// +-------+ | 60x40 | -- -20
// | 4 | +---+---+-----+ -- -10
// | 40x70 o---------+ 0 | -- 0
// +-------+ | 6 | 70x60 | -- 40
// | 2 +-------+ 80x55 +------+--+-----+ -- 50
// | 30x60 | +---------+ | 3 | -- 55
// | | | 55x65 |
// +-------+ +--------+ | -- 100
// | 5 +--------+ -- 115
// | 65x20 |
// +--------+ -- 120
// | | | | | | | | | |
// - - 0 6 7 8 1 1 1 1
// 7 4 0 0 0 2 3 5 9
// 0 0 0 5 0 0
TEST_F(DesktopDisplayInfoTest, Multimon7) {
AddDisplay(80, -10, 70, 60);
AddDisplay(60, -50, 60, 40);
AddDisplay(-70, 40, 30, 60);
AddDisplay(135, 50, 55, 65);
AddDisplay(-40, -20, 40, 70);
AddDisplay(70, 100, 65, 20);
AddDisplay(0, 0, 80, 55); // Default display.
#if OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
// Relative to display 6.
VerifyDisplayOffset(FROM_HERE, 0, 80, -10);
VerifyDisplayOffset(FROM_HERE, 1, 60, -50);
VerifyDisplayOffset(FROM_HERE, 2, -70, 40);
VerifyDisplayOffset(FROM_HERE, 3, 135, 50);
VerifyDisplayOffset(FROM_HERE, 4, -40, -20);
VerifyDisplayOffset(FROM_HERE, 5, 70, 100);
VerifyDisplayOffset(FROM_HERE, 6, 0, 0);
#else
VerifyDisplayOffset(FROM_HERE, 0, 150, 40);
VerifyDisplayOffset(FROM_HERE, 1, 130, 0);
VerifyDisplayOffset(FROM_HERE, 2, 0, 90);
VerifyDisplayOffset(FROM_HERE, 3, 205, 100);
VerifyDisplayOffset(FROM_HERE, 4, 30, 30);
VerifyDisplayOffset(FROM_HERE, 5, 140, 150);
VerifyDisplayOffset(FROM_HERE, 6, 70, 50);
#endif // OS_USES_PRIMARY_DISPLAY_AS_ORIGIN
}
} // namespace remoting
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