chrome/browser/ui/views/profiles/avatar_toolbar_button_unittest.cc

// Copyright 2019 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 "chrome/browser/ui/views/profiles/avatar_toolbar_button.h"

#include "chrome/browser/themes/theme_properties.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/frame/test_with_browser_view.h"
#include "ui/base/theme_provider.h"
#include "ui/gfx/color_utils.h"
#include "ui/views/widget/widget.h"

class AvatarToolbarButtonTest : public TestWithBrowserView {};

// CrOS only shows the avatar button for incognito/guest.
#if !defined(OS_CHROMEOS)

TEST_F(AvatarToolbarButtonTest, HighlightMeetsMinimumContrast) {
  auto button = std::make_unique<AvatarToolbarButton>(browser());
  button->set_owned_by_client();

  browser_view()->GetWidget()->GetContentsView()->AddChildView(button.get());

  SkColor toolbar_color =
      button->GetThemeProvider()->GetColor(ThemeProperties::COLOR_TOOLBAR);
  SkColor highlight_color = SkColorSetRGB(0xFE, 0x00, 0x00);

  DCHECK_LT(color_utils::GetContrastRatio(highlight_color, toolbar_color),
            color_utils::kMinimumReadableContrastRatio);

  SkColor result = button->AdjustHighlightColorForContrast(
      highlight_color, highlight_color, SK_ColorBLACK, SK_ColorWHITE);
  EXPECT_GT(color_utils::GetContrastRatio(result, toolbar_color),
            color_utils::kMinimumReadableContrastRatio);
}

#endif