1 // Copyright (c) 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 "chrome/browser/ui/window_snapshot/window_snapshot.h" 6 7 #import <Cocoa/Cocoa.h> 8 9 #include "base/memory/scoped_nsobject.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "base/test/mock_chrome_application_mac.h" 12 #include "testing/platform_test.h" 13 #include "ui/gfx/rect.h" 14 15 namespace browser { 16 namespace { 17 18 typedef PlatformTest GrabWindowSnapshotTest; 19 20 TEST_F(GrabWindowSnapshotTest, TestGrabWindowSnapshot) { 21 // Launch a test window so we can take a snapshot. 22 NSRect frame = NSMakeRect(0, 0, 400, 400); 23 scoped_nsobject<NSWindow> window( 24 [[NSWindow alloc] initWithContentRect:frame 25 styleMask:NSBorderlessWindowMask 26 backing:NSBackingStoreBuffered 27 defer:NO]); 28 [window setBackgroundColor:[NSColor whiteColor]]; 29 [window makeKeyAndOrderFront:NSApp]; 30 31 scoped_ptr<std::vector<unsigned char> > png_representation( 32 new std::vector<unsigned char>); 33 browser::GrabWindowSnapshot(window, png_representation.get()); 34 35 // Copy png back into NSData object so we can make sure we grabbed a png. 36 scoped_nsobject<NSData> image_data( 37 [[NSData alloc] initWithBytes:&(*png_representation)[0] 38 length:png_representation->size()]); 39 NSBitmapImageRep* rep = [NSBitmapImageRep imageRepWithData:image_data.get()]; 40 EXPECT_TRUE([rep isKindOfClass:[NSBitmapImageRep class]]); 41 EXPECT_TRUE(CGImageGetWidth([rep CGImage]) == 400); 42 NSColor* color = [rep colorAtX:200 y:200]; 43 CGFloat red = 0, green = 0, blue = 0, alpha = 0; 44 [color getRed:&red green:&green blue:&blue alpha:&alpha]; 45 EXPECT_GE(red + green + blue, 3.0); 46 } 47 48 } // namespace 49 } // namespace browser 50
