Mac: Add tabpose window

chrome/browser/cocoa/tabpose_window_unittest.mm

+// Copyright (c) 2010 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/cocoa/tabpose_window.h"
+
+#include "base/scoped_nsobject.h"
+#import "chrome/browser/cocoa/browser_test_helper.h"
+#import "chrome/browser/cocoa/cocoa_test_helper.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class TabposeWindowTest : public CocoaTest {
+ public:
+  BrowserTestHelper browser_helper_;
+};
+
+// Check that this doesn't leak.
+TEST_F(TabposeWindowTest, TestShow) {
+  scoped_nsobject<NSWindow> parent([[NSWindow alloc]
+      initWithContentRect:NSMakeRect(100, 200, 300, 200)
+                styleMask:NSTitledWindowMask
+                  backing:NSBackingStoreBuffered
+                    defer:NO]);
+  [parent orderFront:nil];
+  EXPECT_TRUE([parent isVisible]);
+
+  base::ScopedNSAutoreleasePool pool;
+  TabposeWindow* window =
+      [TabposeWindow openTabposeFor:parent.get()
+                               rect:NSMakeRect(10, 20, 50, 60)
+                              slomo:NO];
+
+  // Should release the window.
+  [window mouseDown:nil];
+}