Provides more types of errors for output status.

ash/display/display_error_dialog_unittest.cc

 // Copyright (c) 2013 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/display/display_error_dialog.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
+#include "grit/ash_strings.h"
 #include "ui/aura/window.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/views/controls/label.h"
+#include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace internal {
+namespace {
 
-typedef test::AshTestBase DisplayErrorDialogTest;
+class DisplayErrorDialogTest : public test::AshTestBase {
+ protected:
+  virtual void SetUp() OVERRIDE {
+    test::AshTestBase::SetUp();
+    observer_.reset(new DisplayErrorObserver());
+  }

[oshima, 2013/02/14 00:01:50]

It's probably better to keep the order of setup/teardown in TearDown() ?

[Jun Mukai, 2013/02/14 00:54:03]

Done.

+
+  DisplayErrorObserver* observer() { return observer_.get(); }
+
+  string16 GetMessageContents(DisplayErrorDialog* dialog) {
+    views::Label* label = static_cast<views::Label*>(
+        static_cast<views::View*>(dialog)->child_at(0));
+    return label->text();
+  }
+
+ private:
+  scoped_ptr<DisplayErrorObserver> observer_;
+};
+
+}
 
 // The test cases in this file usually check if the showing dialog doesn't
 // cause any crashes, and the code doesn't cause any memory leaks.
 TEST_F(DisplayErrorDialogTest, Normal) {
   UpdateDisplay("200x200,300x300");
-  DisplayErrorDialog::ShowDialog();
-  DisplayErrorDialog* dialog = DisplayErrorDialog::GetInstanceForTest();
+  DisplayErrorDialog* dialog =
+      DisplayErrorDialog::ShowDialog(chromeos::STATE_DUAL_MIRROR);
   EXPECT_TRUE(dialog);
   EXPECT_TRUE(dialog->GetWidget()->IsVisible());
+  EXPECT_EQ(l10n_util::GetStringUTF16(IDS_ASH_DISPLAY_FAILURE_ON_MIRRORING),
+            GetMessageContents(dialog));
   EXPECT_EQ(Shell::GetAllRootWindows()[1],
             dialog->GetWidget()->GetNativeView()->GetRootWindow());
 }
 
 TEST_F(DisplayErrorDialogTest, CallTwice) {
   UpdateDisplay("200x200,300x300");
-  DisplayErrorDialog::ShowDialog();
-  DisplayErrorDialog* dialog = DisplayErrorDialog::GetInstanceForTest();
+  observer()->OnDisplayModeChangeFailed(chromeos::STATE_DUAL_MIRROR);
+  DisplayErrorDialog* dialog = observer()->dialog();
   EXPECT_TRUE(dialog);
-  DisplayErrorDialog::ShowDialog();
-  EXPECT_EQ(dialog, DisplayErrorDialog::GetInstanceForTest());
+
+  observer()->OnDisplayModeChangeFailed(chromeos::STATE_DUAL_MIRROR);
+  EXPECT_EQ(dialog, observer()->dialog());
+}
+
+TEST_F(DisplayErrorDialogTest, CallWithDifferentState) {
+  UpdateDisplay("200x200,300x300");
+  observer()->OnDisplayModeChangeFailed(chromeos::STATE_DUAL_MIRROR);
+  DisplayErrorDialog* dialog = observer()->dialog();
+  EXPECT_TRUE(dialog);
+  EXPECT_EQ(l10n_util::GetStringUTF16(IDS_ASH_DISPLAY_FAILURE_ON_MIRRORING),
+            GetMessageContents(dialog));
+
+  observer()->OnDisplayModeChangeFailed(chromeos::STATE_DUAL_PRIMARY_ONLY);
+  EXPECT_EQ(dialog, observer()->dialog());
+  EXPECT_EQ(l10n_util::GetStringUTF16(IDS_ASH_DISPLAY_FAILURE_ON_EXTENDED),
+            GetMessageContents(dialog));
 }
 
 TEST_F(DisplayErrorDialogTest, SingleDisplay) {
   UpdateDisplay("200x200");
-  DisplayErrorDialog::ShowDialog();
-  DisplayErrorDialog* dialog = DisplayErrorDialog::GetInstanceForTest();
+  DisplayErrorDialog* dialog =
+      DisplayErrorDialog::ShowDialog(chromeos::STATE_DUAL_MIRROR);
   EXPECT_TRUE(dialog);
   EXPECT_TRUE(dialog->GetWidget()->IsVisible());
   EXPECT_EQ(Shell::GetInstance()->GetPrimaryRootWindow(),
             dialog->GetWidget()->GetNativeView()->GetRootWindow());
 }
 
 TEST_F(DisplayErrorDialogTest, DisplayDisconnected) {
   UpdateDisplay("200x200,300x300");
-  DisplayErrorDialog::ShowDialog();
-  DisplayErrorDialog* dialog = DisplayErrorDialog::GetInstanceForTest();
-  EXPECT_TRUE(dialog);
+  observer()->OnDisplayModeChangeFailed(chromeos::STATE_DUAL_MIRROR);
+  EXPECT_TRUE(observer()->dialog());
 
   UpdateDisplay("200x200");
   // Disconnection will close the dialog but we have to run all pending tasks
   // to make the effect of the close.
   RunAllPendingInMessageLoop();
-  EXPECT_FALSE(DisplayErrorDialog::GetInstanceForTest());
+  EXPECT_TRUE(observer()->dialog());
 }
 
 }  // namespace internal
 }  // namespace ash