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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/snapshot/snapshot.h"
#import <Cocoa/Cocoa.h>
#include <memory>
#include "base/mac/mac_util.h"
#include "base/mac/scoped_nsobject.h"
#include "base/mac/sdk_forward_declarations.h"
#include "testing/platform_test.h"
#import "ui/base/test/cocoa_helper.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/image/image.h"
namespace ui {
namespace {
typedef CocoaTest GrabWindowSnapshotTest;
TEST_F(GrabWindowSnapshotTest, TestGrabWindowSnapshot) {
// TODO(https://crbug.com/685088): This test fails on MacOS 10.11 and above.
if (base::mac::IsAtLeastOS10_11())
return;
// Launch a test window so we can take a snapshot.
NSRect frame = NSMakeRect(0, 0, 400, 400);
NSWindow* window = test_window();
[window setFrame:frame display:false];
[window setBackgroundColor:[NSColor whiteColor]];
[window makeKeyAndOrderFront:NSApp];
[window display];
gfx::Image image;
gfx::Rect bounds = gfx::Rect(0, 0, frame.size.width, frame.size.height);
EXPECT_TRUE(ui::GrabWindowSnapshot(window, bounds, &image));
NSImage* nsImage = image.ToNSImage();
CGImageRef cgImage =
[nsImage CGImageForProposedRect:nil context:nil hints:nil];
base::scoped_nsobject<NSBitmapImageRep> rep(
[[NSBitmapImageRep alloc] initWithCGImage:cgImage]);
EXPECT_TRUE([rep isKindOfClass:[NSBitmapImageRep class]]);
CGFloat scaleFactor = 1.0f;
if ([window respondsToSelector:@selector(backingScaleFactor)])
scaleFactor = [window backingScaleFactor];
EXPECT_EQ(400 * scaleFactor, CGImageGetWidth([rep CGImage]));
NSColor* color = [rep colorAtX:200 * scaleFactor y:200 * scaleFactor];
CGFloat red = 0, green = 0, blue = 0, alpha = 0;
[color getRed:&red green:&green blue:&blue alpha:&alpha];
EXPECT_GE(red + green + blue, 3.0);
}
} // namespace
} // namespace ui
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