ui/views/controls/button/blue_button_unittest.cc

   1 // Copyright 2014 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 #include "ui/views/controls/button/blue_button.h"
   6
   7 #include "base/strings/string16.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "ui/gfx/canvas.h"
  10 #include "ui/gfx/skia_util.h"
  11 #include "ui/views/controls/button/label_button_border.h"
  12 #include "ui/views/test/widget_test.h"
  13
  14 namespace views {
  15
  16 using BlueButtonTest = test::WidgetTest;
  17
  18 TEST_F(BlueButtonTest, Border) {
  19   // The buttons must be added to a Widget so that borders are correctly
  20   // applied once the NativeTheme is determined.
  21   Widget* widget = CreateTopLevelPlatformWidget();
  22
  23   // Compared to a normal LabelButton...
  24   LabelButton* button = new LabelButton(nullptr, base::ASCIIToUTF16("foo"));
  25   EXPECT_EQ(Button::STYLE_TEXTBUTTON, button->style());
  26   EXPECT_TRUE(button->focus_painter());
  27
  28   // Switch to the same style as BlueButton for a more compelling comparison.
  29   button->SetStyle(Button::STYLE_BUTTON);
  30   EXPECT_EQ(Button::STYLE_BUTTON, button->style());
  31   EXPECT_FALSE(button->focus_painter());
  32
  33   widget->GetContentsView()->AddChildView(button);
  34   button->SizeToPreferredSize();
  35   gfx::Canvas button_canvas(button->size(), 1.0, true);
  36   button->border()->Paint(*button, &button_canvas);
  37
  38   // ... a special blue border should be used.
  39   BlueButton* blue_button = new BlueButton(nullptr, base::ASCIIToUTF16("foo"));
  40   EXPECT_EQ(Button::STYLE_BUTTON, blue_button->style());
  41   EXPECT_FALSE(blue_button->focus_painter());
  42
  43   widget->GetContentsView()->AddChildView(blue_button);
  44   blue_button->SizeToPreferredSize();
  45 #if defined(OS_MACOSX)
  46   // On Mac, the default styled border has a large minimum width. To ensure that
  47   // the bitmaps are comparable, the size needs to match (checked below).
  48   // Increase the minimum size of the blue button to pass the size check.
  49   EXPECT_NE(button->size(), blue_button->size());  // Verify this is needed.
  50   blue_button->SetMinSize(button->border()->GetMinimumSize());
  51   blue_button->SizeToPreferredSize();
  52 #endif
  53
  54   gfx::Canvas canvas(blue_button->size(), 1.0, true);
  55   blue_button->border()->Paint(*blue_button, &canvas);
  56   EXPECT_EQ(button->GetText(), blue_button->GetText());
  57   EXPECT_EQ(button->size(), blue_button->size());
  58   EXPECT_FALSE(gfx::BitmapsAreEqual(button_canvas.ExtractImageRep().sk_bitmap(),
  59                                     canvas.ExtractImageRep().sk_bitmap()));
  60
  61   widget->CloseNow();
  62 }
  63
  64 }  // namespace views