src/chrome/browser/ui/cocoa/framed_browser_window_unittest.mm

   1 // Copyright (c) 2012 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 #import <Cocoa/Cocoa.h>
   6
   7 #include "base/debug/debugger.h"
   8 #include "base/mac/scoped_nsobject.h"
   9 #include "chrome/app/chrome_command_ids.h"
  10 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
  11 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
  12 #import "chrome/browser/ui/cocoa/framed_browser_window.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #import "testing/gtest_mac.h"
  15 #include "testing/platform_test.h"
  16 #import "third_party/ocmock/OCMock/OCMock.h"
  17
  18 class FramedBrowserWindowTest : public CocoaTest {
  19  public:
  20   virtual void SetUp() {
  21     CocoaTest::SetUp();
  22     // Create a window.
  23     window_ = [[FramedBrowserWindow alloc]
  24                initWithContentRect:NSMakeRect(0, 0, 800, 600)
  25                        hasTabStrip:YES];
  26     if (base::debug::BeingDebugged()) {
  27       [window_ orderFront:nil];
  28     } else {
  29       [window_ orderBack:nil];
  30     }
  31   }
  32
  33   virtual void TearDown() {
  34     [window_ close];
  35     CocoaTest::TearDown();
  36   }
  37
  38   // Returns a canonical snapshot of the window.
  39   NSData* WindowContentsAsTIFF() {
  40     [window_ display];
  41
  42     NSView* frameView = [window_ contentView];
  43     while ([frameView superview]) {
  44       frameView = [frameView superview];
  45     }
  46
  47     // Inset to mask off left and right edges which vary in HighDPI.
  48     NSRect bounds = NSInsetRect([frameView bounds], 4, 0);
  49
  50     // On 10.6, the grippy changes appearance slightly when painted the second
  51     // time in a textured window. Since this test cares about the window title,
  52     // cut off the bottom of the window.
  53     bounds.size.height -= 40;
  54     bounds.origin.y += 40;
  55
  56     [frameView lockFocus];
  57     base::scoped_nsobject<NSBitmapImageRep> bitmap(
  58         [[NSBitmapImageRep alloc] initWithFocusedViewRect:bounds]);
  59     [frameView unlockFocus];
  60
  61     return [bitmap TIFFRepresentation];
  62   }
  63
  64   FramedBrowserWindow* window_;
  65 };
  66
  67 // Baseline test that the window creates, displays, closes, and
  68 // releases.
  69 TEST_F(FramedBrowserWindowTest, ShowAndClose) {
  70   [window_ display];
  71 }
  72
  73 // Test that undocumented title-hiding API we're using does the job.
  74 TEST_F(FramedBrowserWindowTest, DoesHideTitle) {
  75   // The -display calls are not strictly necessary, but they do
  76   // make it easier to see what's happening when debugging (without
  77   // them the changes are never flushed to the screen).
  78
  79   [window_ setTitle:@""];
  80   [window_ display];
  81   NSData* emptyTitleData = WindowContentsAsTIFF();
  82
  83   [window_ setTitle:@"This is a title"];
  84   [window_ display];
  85   NSData* thisTitleData = WindowContentsAsTIFF();
  86
  87   // The default window with a title should look different from the
  88   // window with an empty title.
  89   EXPECT_FALSE([emptyTitleData isEqualToData:thisTitleData]);
  90
  91   [window_ setShouldHideTitle:YES];
  92   [window_ setTitle:@""];
  93   [window_ display];
  94   [window_ setTitle:@"This is a title"];
  95   [window_ display];
  96   NSData* hiddenTitleData = WindowContentsAsTIFF();
  97
  98   // With our magic setting, the window with a title should look the
  99   // same as the window with an empty title.
 100   EXPECT_TRUE([window_ _isTitleHidden]);
 101   EXPECT_TRUE([emptyTitleData isEqualToData:hiddenTitleData]);
 102 }
 103
 104 // Test to make sure that our window widgets are in the right place.
 105 TEST_F(FramedBrowserWindowTest, WindowWidgetLocation) {
 106   BOOL yes = YES;
 107   BOOL no = NO;
 108
 109   // First without a tabstrip.
 110   [window_ close];
 111   window_ = [[FramedBrowserWindow alloc]
 112              initWithContentRect:NSMakeRect(0, 0, 800, 600)
 113                      hasTabStrip:NO];
 114   id controller = [OCMockObject mockForClass:[BrowserWindowController class]];
 115   [[[controller stub] andReturnValue:OCMOCK_VALUE(yes)]
 116       isKindOfClass:[BrowserWindowController class]];
 117   [[[controller expect] andReturnValue:OCMOCK_VALUE(no)] hasTabStrip];
 118   [[[controller expect] andReturnValue:OCMOCK_VALUE(yes)] hasTitleBar];
 119   [[[controller expect] andReturnValue:OCMOCK_VALUE(no)] isTabbedWindow];
 120   [window_ setWindowController:controller];
 121
 122   NSView* closeBoxControl = [window_ standardWindowButton:NSWindowCloseButton];
 123   EXPECT_TRUE(closeBoxControl);
 124   NSRect closeBoxFrame = [closeBoxControl frame];
 125   NSRect windowBounds = [window_ frame];
 126   windowBounds = [[window_ contentView] convertRect:windowBounds fromView:nil];
 127   windowBounds.origin = NSZeroPoint;
 128   EXPECT_EQ(NSMaxY(closeBoxFrame),
 129             NSMaxY(windowBounds) -
 130                 kFramedWindowButtonsWithoutTabStripOffsetFromTop);
 131   EXPECT_EQ(NSMinX(closeBoxFrame),
 132             kFramedWindowButtonsWithoutTabStripOffsetFromLeft);
 133
 134   NSView* miniaturizeControl =
 135       [window_ standardWindowButton:NSWindowMiniaturizeButton];
 136   EXPECT_TRUE(miniaturizeControl);
 137   NSRect miniaturizeFrame = [miniaturizeControl frame];
 138   EXPECT_EQ(NSMaxY(miniaturizeFrame),
 139             NSMaxY(windowBounds) -
 140                 kFramedWindowButtonsWithoutTabStripOffsetFromTop);
 141   EXPECT_EQ(NSMinX(miniaturizeFrame),
 142             NSMaxX(closeBoxFrame) + [window_ windowButtonsInterButtonSpacing]);
 143   [window_ setWindowController:nil];
 144
 145   // Then with a tabstrip.
 146   [window_ close];
 147   window_ = [[FramedBrowserWindow alloc]
 148              initWithContentRect:NSMakeRect(0, 0, 800, 600)
 149                      hasTabStrip:YES];
 150   controller = [OCMockObject mockForClass:[BrowserWindowController class]];
 151   [[[controller stub] andReturnValue:OCMOCK_VALUE(yes)]
 152       isKindOfClass:[BrowserWindowController class]];
 153   [[[controller expect] andReturnValue:OCMOCK_VALUE(yes)] hasTabStrip];
 154   [[[controller expect] andReturnValue:OCMOCK_VALUE(no)] hasTitleBar];
 155   [[[controller expect] andReturnValue:OCMOCK_VALUE(yes)] isTabbedWindow];
 156   [window_ setWindowController:controller];
 157
 158   closeBoxControl = [window_ standardWindowButton:NSWindowCloseButton];
 159   EXPECT_TRUE(closeBoxControl);
 160   closeBoxFrame = [closeBoxControl frame];
 161   windowBounds = [window_ frame];
 162   windowBounds = [[window_ contentView] convertRect:windowBounds fromView:nil];
 163   windowBounds.origin = NSZeroPoint;
 164   EXPECT_EQ(NSMaxY(closeBoxFrame),
 165             NSMaxY(windowBounds) -
 166                 kFramedWindowButtonsWithTabStripOffsetFromTop);
 167   EXPECT_EQ(NSMinX(closeBoxFrame),
 168             kFramedWindowButtonsWithTabStripOffsetFromLeft);
 169
 170   miniaturizeControl = [window_ standardWindowButton:NSWindowMiniaturizeButton];
 171   EXPECT_TRUE(miniaturizeControl);
 172   miniaturizeFrame = [miniaturizeControl frame];
 173   EXPECT_EQ(NSMaxY(miniaturizeFrame),
 174             NSMaxY(windowBounds) -
 175                 kFramedWindowButtonsWithTabStripOffsetFromTop);
 176   EXPECT_EQ(NSMinX(miniaturizeFrame),
 177             NSMaxX(closeBoxFrame) + [window_ windowButtonsInterButtonSpacing]);
 178   [window_ setWindowController:nil];
 179 }