chromium/third_party/blink/renderer/core/mobile_metrics/mobile_friendliness_checker_test.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/mobile_metrics/mobile_friendliness_checker.h"

#include "components/ukm/test_ukm_recorder.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "third_party/blink/public/web/web_settings.h"
#include "third_party/blink/renderer/core/frame/frame_test_helpers.h"
#include "third_party/blink/renderer/core/frame/web_local_frame_impl.h"
#include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h"
#include "third_party/blink/renderer/platform/testing/task_environment.h"
#include "third_party/blink/renderer/platform/testing/testing_platform_support.h"
#include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"
#include "third_party/blink/renderer/platform/testing/url_test_helpers.h"

namespace blink {

static constexpr char kBaseUrl[] = …;
static constexpr int kDeviceWidth = …;
static constexpr int kDeviceHeight = …;
static constexpr float kMinimumZoom = …;
static constexpr float kMaximumZoom = …;

class MobileFriendlinessCheckerTest : public testing::Test { … };

TEST_F(MobileFriendlinessCheckerTest, NoViewportSetting) { … }

TEST_F(MobileFriendlinessCheckerTest, DeviceWidth) { … }

TEST_F(MobileFriendlinessCheckerTest, HardcodedViewport) { … }

TEST_F(MobileFriendlinessCheckerTest, HardcodedViewportWithDeviceScale3) { … }

TEST_F(MobileFriendlinessCheckerTest, DeviceWidthWithInitialScale05) { … }

TEST_F(MobileFriendlinessCheckerTest, AllowUserScalableWithSmallMaxZoom) { … }

TEST_F(MobileFriendlinessCheckerTest, AllowUserScalableWithLargeMaxZoom) { … }

TEST_F(MobileFriendlinessCheckerTest,
       AllowUserScalableWithLargeMaxZoomAndLargeInitialScale) { … }

TEST_F(MobileFriendlinessCheckerTest, UserZoom) { … }

TEST_F(MobileFriendlinessCheckerTest, NoText) { … }

TEST_F(MobileFriendlinessCheckerTest, NoSmallFonts) { … }

TEST_F(MobileFriendlinessCheckerTest, NoSmallFontsWithDeviceScaleFactor) { … }

TEST_F(MobileFriendlinessCheckerTest, OnlySmallFonts) { … }

TEST_F(MobileFriendlinessCheckerTest, OnlySmallFontsWithDeviceScaleFactor) { … }

TEST_F(MobileFriendlinessCheckerTest, MostlySmallFont) { … }

TEST_F(MobileFriendlinessCheckerTest, MostlySmallInSpan) { … }

TEST_F(MobileFriendlinessCheckerTest, MultipleDivs) { … }

TEST_F(MobileFriendlinessCheckerTest, DontCountInvisibleSmallFontArea) { … }

TEST_F(MobileFriendlinessCheckerTest, ScaleZoomedLegibleFont) { … }

TEST_F(MobileFriendlinessCheckerTest, ViewportZoomedOutIllegibleFont) { … }

TEST_F(MobileFriendlinessCheckerTest, TooWideViewportWidthIllegibleFont) { … }

TEST_F(MobileFriendlinessCheckerTest, CSSZoomedIllegibleFont) { … }

TEST_F(MobileFriendlinessCheckerTest, OnlySmallFontsClipped) { … }

TEST_F(MobileFriendlinessCheckerTest, NormalTextAndWideImage) { … }

TEST_F(MobileFriendlinessCheckerTest, SmallTextByWideTable) { … }

TEST_F(MobileFriendlinessCheckerTest,
       NormalTextAndWideImageWithDeviceWidthViewport) { … }

TEST_F(MobileFriendlinessCheckerTest, ZIndex) { … }

TEST_F(MobileFriendlinessCheckerTest, NormalTextAndWideImageWithInitialScale) { … }

TEST_F(MobileFriendlinessCheckerTest,
       NormalTextAndWideImageWithInitialScaleAndDeviceScale) { … }

// This test shows that text will grow with text-size-adjust: auto in a
// fixed-width table.
TEST_F(MobileFriendlinessCheckerTest, FixedWidthTableTextSizeAdjustAuto) { … }

// This test shows that text remains small with text-size-adjust: none in a
// fixed-width table.
TEST_F(MobileFriendlinessCheckerTest, FixedWidthTableTextSizeAdjustNone) { … }

TEST_F(MobileFriendlinessCheckerTest, TextNarrow) { … }

TEST_F(MobileFriendlinessCheckerTest, TextTooWide) { … }

TEST_F(MobileFriendlinessCheckerTest, TextAbsolutePositioning) { … }

TEST_F(MobileFriendlinessCheckerTest, ImageAbsolutePositioning) { … }

TEST_F(MobileFriendlinessCheckerTest, SmallTextOutsideViewportCeiling) { … }

TEST_F(MobileFriendlinessCheckerTest, TextTooWideOverflowXHidden) { … }

TEST_F(MobileFriendlinessCheckerTest, TextTooWideHidden) { … }

TEST_F(MobileFriendlinessCheckerTest, TextTooWideHiddenInDiv) { … }

TEST_F(MobileFriendlinessCheckerTest, TextTooWideHiddenInDivDiv) { … }

TEST_F(MobileFriendlinessCheckerTest, ImageNarrow) { … }

TEST_F(MobileFriendlinessCheckerTest, ImageTooWide) { … }

TEST_F(MobileFriendlinessCheckerTest, ImageTooWide100) { … }

TEST_F(MobileFriendlinessCheckerTest, WideImageClipped) { … }

TEST_F(MobileFriendlinessCheckerTest, ImageTooWideTwoImages) { … }

TEST_F(MobileFriendlinessCheckerTest, ImageTooWideAbsolutePosition) { … }

TEST_F(MobileFriendlinessCheckerTest, ImageTooWideDisplayNone) { … }

TEST_F(MobileFriendlinessCheckerTest, ScaleTextOutsideViewport) { … }

TEST_F(MobileFriendlinessCheckerTest, ScrollerOutsideViewport) { … }

TEST_F(MobileFriendlinessCheckerTest, SubScroller) { … }

TEST_F(MobileFriendlinessCheckerTest, SubScrollerHalfOutByMargin) { … }

TEST_F(MobileFriendlinessCheckerTest, SubScrollerOutByTranslate) { … }

/*
 * TODO(kumagi): Get precise paint offset of rtl environment is hard.
TEST_F(MobileFriendlinessCheckerTest, SubScrollerGoesLeft) {
  ukm::mojom::UkmEntry ukm = CalculateMetricsForHTMLString(R"HTML(
<html>
  <head>
    <style>
      body {
        margin: 0px;
        direction: rtl;
      }
      div.scroller {
        margin-right: 360px;
        width: 480px;
        height: 800px;
        overflow: scroll;
      }
    </style>
    <meta name="viewport" content="width=480px, initial-scale=1.0
minimum-scale=1.0">
  </head>
  <body style="font: 40px/1 Ahem; line-height: 1">
    <div class="scroller">
      <img style="width: 9000px; height: 1px">
    </div>
  </body>
</html>
)HTML");
  // Right to left language scrollbar goes to left.
  ExpectUkm(actual_mf.text_content_outside_viewport_percentage, 75);
}
*/

TEST_F(MobileFriendlinessCheckerTest, SubScrollerFitsWithinViewport) { … }

TEST_F(MobileFriendlinessCheckerTest, SubScrollerTwice) { … }

TEST_F(MobileFriendlinessCheckerTest, SubScrollerInSubScroller) { … }

TEST_F(MobileFriendlinessCheckerTest, ScrollableLayoutView) { … }

TEST_F(MobileFriendlinessCheckerTest, IFrame) { … }

TEST_F(MobileFriendlinessCheckerTest, IFrameVieportDeviceWidth) { … }

TEST_F(MobileFriendlinessCheckerTest, IFrameSmallTextRatio) { … }

}  // namespace blink