Constrained window sheet controller (test patch)

chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller_unittest.mm

+// 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.
+
+#import "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller.h"
+#import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
+#include "chrome/browser/ui/cocoa/run_loop_testing.h"
+#import "testing/gtest_mac.h"
+
+class ConstrainedWindowSheetControllerTest : public CocoaTest {
+ protected:
+  ConstrainedWindowSheetControllerTest() {
+  }
+
+  ~ConstrainedWindowSheetControllerTest() {
+  }
+
+  virtual void SetUp() OVERRIDE {
+    CocoaTest::SetUp();
+
+    // Create two dummy tabs and make the first one active.
+    NSRect dummyRect = NSMakeRect(0, 0, 50, 50);
+    tab_views_.reset([[NSMutableArray alloc] init]);
+    for (int i = 0; i < 2; ++i) {
+      scoped_nsobject<NSView> view([[NSView alloc] initWithFrame:dummyRect]);
+      [tab_views_ addObject:view];
+    }
+    ActivateTabView([tab_views_ objectAtIndex:0]);
+
+    // Create a test sheet.
+    sheet_.reset([[NSWindow alloc] initWithContentRect:dummyRect
+                                             styleMask:NSTitledWindowMask
+                                               backing:NSBackingStoreBuffered
+                                                 defer:NO]);
+    [sheet_ setReleasedWhenClosed:NO];
+
+    EXPECT_FALSE([ConstrainedWindowSheetController controllerForSheet:sheet_]);
+  }
+
+  virtual void TearDown() OVERRIDE {
+    sheet_.reset();
+    CocoaTest::TearDown();
+  }
+
+  void ActivateTabView(NSView* tab_view) {
+    for (NSView* view in tab_views_.get()) {
+      [view removeFromSuperview];
+    }
+    [[test_window() contentView] addSubview:tab_view];
+    active_tab_view_.reset([tab_view retain]);
+
+    ConstrainedWindowSheetController* controller =
+        [ConstrainedWindowSheetController
+            controllerForParentWindow:test_window()];
+    EXPECT_TRUE(controller);
+    [controller parentViewDidBecomeActive:active_tab_view_];
+  }
+
+  scoped_nsobject<NSWindow> sheet_;
+  scoped_nsobject<NSMutableArray> tab_views_;
+  scoped_nsobject<NSView> active_tab_view_;
+};
+
+// Test showing then hiding the sheet.
+TEST_F(ConstrainedWindowSheetControllerTest, ShowHide) {
+  ConstrainedWindowSheetController* controller =
+      [ConstrainedWindowSheetController
+          controllerForParentWindow:test_window()];
+  EXPECT_TRUE(controller);
+
+  EXPECT_FALSE([sheet_ isVisible]);
+  [controller showSheet:sheet_ forParentView:active_tab_view_];
+  EXPECT_TRUE([ConstrainedWindowSheetController controllerForSheet:sheet_]);
+  EXPECT_TRUE([sheet_ isVisible]);
+
+  [controller closeSheet:sheet_];
+  [controller endAnimationForSheet:sheet_];
+  chrome::testing::NSRunLoopRunAllPending();
+  EXPECT_FALSE([ConstrainedWindowSheetController controllerForSheet:sheet_]);
+  EXPECT_FALSE([sheet_ isVisible]);
+}
+
+// Test that switching tabs correctly hides the inactive tab's sheet.
+TEST_F(ConstrainedWindowSheetControllerTest, SwitchTabs) {
+  ConstrainedWindowSheetController* controller =
+      [ConstrainedWindowSheetController
+          controllerForParentWindow:test_window()];
+  [controller showSheet:sheet_ forParentView:active_tab_view_];
+
+  EXPECT_TRUE([sheet_ isVisible]);
+  EXPECT_EQ(1.0, [sheet_ alphaValue]);
+  ActivateTabView([tab_views_ objectAtIndex:1]);
+  EXPECT_TRUE([sheet_ isVisible]);
+  EXPECT_EQ(0.0, [sheet_ alphaValue]);
+  ActivateTabView([tab_views_ objectAtIndex:0]);
+  EXPECT_TRUE([sheet_ isVisible]);
+  EXPECT_EQ(1.0, [sheet_ alphaValue]);
+}
+
+// Test that two parent windows with two sheet controllers don't conflict.
+TEST_F(ConstrainedWindowSheetControllerTest, TwoParentWindows) {
+  ConstrainedWindowSheetController* controller1 =
+      [ConstrainedWindowSheetController
+          controllerForParentWindow:test_window()];
+  EXPECT_TRUE(controller1);
+
+  scoped_nsobject<NSWindow> parent_window2([[NSWindow alloc]
+      initWithContentRect:NSMakeRect(0, 0, 30, 30)
+                styleMask:NSTitledWindowMask
+                  backing:NSBackingStoreBuffered
+                    defer:NO]);
+  [parent_window2 setReleasedWhenClosed:NO];
+
+  ConstrainedWindowSheetController* controller2 =
+      [ConstrainedWindowSheetController
+          controllerForParentWindow:parent_window2];
+  EXPECT_TRUE(controller2);
+  EXPECT_NSNE(controller1, controller2);
+
+  [controller2 showSheet:sheet_ forParentView:[parent_window2 contentView]];
+  EXPECT_NSEQ(controller2,
+              [ConstrainedWindowSheetController controllerForSheet:sheet_]);
+
+  [parent_window2 close];
+}