[ash-md] Cancels overview mode before switching user profiles

chrome/browser/ui/ash/multi_user/user_switch_util_unittest.cc

 // Copyright 2014 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 "ash/common/system/chromeos/screen_security/screen_tray_item.h"
 #include "ash/common/system/tray/system_tray.h"
+#include "ash/common/wm/overview/window_selector_controller.h"
+#include "ash/common/wm_shell.h"
 #include "ash/test/ash_test_base.h"
 #include "chrome/browser/ui/ash/multi_user/user_switch_util.h"
+#include "ui/aura/window.h"
 
 namespace ash {
 
 class TrySwitchingUserTest : public ash::test::AshTestBase {
  public:
   // The action type to perform / check for upon user switching.
   enum ActionType {
     NO_DIALOG,       // No dialog should be shown.
     ACCEPT_DIALOG,   // A dialog should be shown and we should accept it.
     DECLINE_DIALOG,  // A dialog should be shown and we do not accept it.
@@ skipping 57 matching lines @@
         return;
       case DECLINE_DIALOG:
         EXPECT_TRUE(TestAndTerminateDesktopCastingWarningForTest(false));
         return;
     }
   }
 
   // Called when the user will get actually switched.
   void SwitchCallback() { switch_callback_hit_count_++; }
 
+  // Methods needed to test with overview mode.
+  const WindowSelectorController* window_selector_controller() const {
+    return WmShell::Get()->window_selector_controller();
+  }
+  WindowSelectorController* window_selector_controller() {
+    return const_cast<WindowSelectorController*>(
+        const_cast<const TrySwitchingUserTest*>(this)
+            ->window_selector_controller());
+  }
+  void ToggleOverview() { window_selector_controller()->ToggleOverview(); }
+  bool IsSelecting() const {
+    return window_selector_controller()->IsSelecting();
+  }
+
   // Various counter accessors.
   int stop_capture_callback_hit_count() const {
     return stop_capture_callback_hit_count_;
   }
   int stop_share_callback_hit_count() const {
     return stop_share_callback_hit_count_;
   }
   int switch_callback_hit_count() const { return switch_callback_hit_count_; }
 
  private:
@@ skipping 108 matching lines @@
   EXPECT_EQ(1, stop_capture_callback_hit_count());
   EXPECT_EQ(1, stop_share_callback_hit_count());
   // Another stop should have no effect.
   StopShareSession();
   StopCaptureSession();
   EXPECT_EQ(1, switch_callback_hit_count());
   EXPECT_EQ(1, stop_capture_callback_hit_count());
   EXPECT_EQ(1, stop_share_callback_hit_count());
 }
 
+// Test that overview mode is dismissed before switching user profile.
+TEST_F(TrySwitchingUserTest, OverviewModeDismissed) {
+  EXPECT_EQ(0, switch_callback_hit_count());
+  gfx::Rect bounds(0, 0, 100, 100);
+  std::unique_ptr<aura::Window> w(CreateTestWindowInShellWithBounds(bounds));
+  ToggleOverview();
+  ASSERT_TRUE(IsSelecting());
+  SwitchUser(TrySwitchingUserTest::NO_DIALOG);
+  ASSERT_FALSE(IsSelecting());
+  EXPECT_EQ(1, switch_callback_hit_count());
+}
+
 }  // namespace ash