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/views_test_base.h"
  13
  14 namespace views {
  15
  16 namespace {
  17
  18 class TestBlueButton : public BlueButton {
  19  public:
  20   TestBlueButton() : BlueButton(NULL, base::ASCIIToUTF16("foo")) {}
  21   ~TestBlueButton() override {}
  22
  23   using BlueButton::OnNativeThemeChanged;
  24
  25  private:
  26   DISALLOW_COPY_AND_ASSIGN(TestBlueButton);
  27 };
  28
  29 }  // namespace
  30
  31 typedef ViewsTestBase BlueButtonTest;
  32
  33 TEST_F(BlueButtonTest, Border) {
  34   // Compared to a normal LabelButton...
  35   LabelButton button(NULL, base::ASCIIToUTF16("foo"));
  36   button.SetBoundsRect(gfx::Rect(gfx::Point(0, 0), button.GetPreferredSize()));
  37   gfx::Canvas button_canvas(button.bounds().size(), 1.0, true);
  38   button.border()->Paint(button, &button_canvas);
  39
  40   // ... a special blue border should be used.
  41   TestBlueButton blue_button;
  42   blue_button.SetBoundsRect(gfx::Rect(gfx::Point(0, 0),
  43                             blue_button.GetPreferredSize()));
  44   gfx::Canvas canvas(blue_button.bounds().size(), 1.0, true);
  45   blue_button.border()->Paint(blue_button, &canvas);
  46   EXPECT_EQ(button.GetText(), blue_button.GetText());
  47   EXPECT_FALSE(gfx::BitmapsAreEqual(button_canvas.ExtractImageRep().sk_bitmap(),
  48                                     canvas.ExtractImageRep().sk_bitmap()));
  49
  50   // Make sure it's still used after the native theme "changes".
  51   blue_button.OnNativeThemeChanged(NULL);
  52   gfx::Canvas canvas2(blue_button.bounds().size(), 1.0, true);
  53   blue_button.border()->Paint(blue_button, &canvas2);
  54
  55   EXPECT_TRUE(gfx::BitmapsAreEqual(canvas.ExtractImageRep().sk_bitmap(),
  56                                    canvas2.ExtractImageRep().sk_bitmap()));
  57 }
  58
  59 }  // namespace views