csswg-drafts/css-writing-modes-3/implementation-report.html at eb3af64d4ac018d02b895ac247240c2e83451dc9 · w3c/csswg-drafts · GitHub

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<!DOCTYPE html>
<meta charset="utf-8" />
<title>CSS Writing Modes implementation report</title>
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<body>
  <h1>CSS Writing Modes Level 3 Implementation Report</h1>

  <h2>Introduction</h2>
  <p><a href="https://drafts.csswg.org/css-writing-modes-3/">CSS Writing Modes Level 3</a> defines CSS support
    for various international writing modes, such as left-to-right (e.g. Latin or Indic), right-to-left
    (e.g. Hebrew or Arabic), bidirectional (e.g. mixed Latin and Arabic) and vertical (e.g. Asian scripts).
    It has a <a href="http://test.csswg.org/suites/css-writing-modes-3_dev/nightly-unstable/">test suite</a>
    containing 1126 tests. Of those, 908 (80.6%) meet the CR exit criteria.</p>
  <p>This implementation report examines the remaining tests in more detail.
  </p>
  <h2>Tests that do not have 2 implementations</h2>

  <table id="less-than-2" class="results"></table>

<ol>
  <li>
    <b>4.3. Atomic Inline Baseline</b>:
    No implementations pass these tests.
    <br>
    These tests check the synthesized baseline of
    an inline-block with block descendants.
    <ul class="test">
      <li>inline-block-alignment-003</li>
      <li>inline-block-alignment-005</li>
      <li>inline-block-alignment-007</li>
      <li>inline-table-alignment-003</li>
      <li>inline-table-alignment-005</li>
    </ul>
  <li>
    <b>5.1. Orienting Text: the text-orientation property</b>:
    No implementations pass these tests.
    <br>
    These tests are for <a class="css">text-orientation: upright</a> defining:
    <q>This value causes the used value of direction to be ltr,
    and for the purposes of bidi reordering,
    causes all characters to be treated as strong LTR.</q>
    <ul class="test">
      <li>table-progression-vlr-003</li>
      <li>table-progression-vlr-004</li>
      <li>table-progression-vrl-003</li>
      <li>table-progression-vrl-004</li>
    </ul>
  <li>
    <b>7.1: Principles of Layout in Vertical Writing Modes</b>:
    Only 1 implementation passes these tests.
    <br>
    3 among the 256 tests for absolute-positioned objects fail.
    These 256 tests cover combinations of a) direction, b) text-align,
    c) box offsets (top, left, right, bottom, auto),
    d) orthogonal and non-orthogonal, and e) ICB.
    <ul class="test">
      <li>abs-pos-non-replaced-vrl-088</li>
      <li>abs-pos-non-replaced-vrl-220</li>
      <li>abs-pos-non-replaced-vrl-224</li>
    </ul>
  <li>
    <b>9. Glyph Composition</b>:
    Only 1 implementation passes this test.
    Note that a similar test that has a space character has 2 implementations.
    <br>
    This test checks when the text inside <a class="css">text-combine-upright</a>
    has a new line character.
    <ul class="test">
      <li>text-combine-upright-break-inside-001a</li>
    </ul>
</ol>

  <h3>Tests that require other specifications</h3>
  <p>Following tests do not have 2 implementations,
    but they require other specifications that
    they are not considered as required.
  <table id="has-dependency" class="results"></table>

  <h2>All results</h2>
  <table id="all-list" class="results"></table>
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},
"id": "abs-pos-non-replaced-icb-vrl-006",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "fail",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-008",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Gecko": {
"result": "pass"
},
"WebKit": {
"result": "pass"
},
"id": "abs-pos-non-replaced-icb-vrl-010",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Prince": {
"result": "fail",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "fail",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-012",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "fail",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-014",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "fail",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-016",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Gecko": {
"result": "pass"
},
"WebKit": {
"result": "pass"
},
"id": "abs-pos-non-replaced-icb-vrl-018",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Edge": {
"result": "pass",
"source": "kojiishi"
},
"Gecko": {
"result": "pass",
"source": "upsuper"
},
"WebKit": {
"result": "pass"
},
"id": "abs-pos-non-replaced-icb-vrl-020",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-022",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-024",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-026",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-028",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Edge": {
"result": "fail",
"source": "kojiishi"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Prince": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "fail",
"source": "hshiozawa"
},
"WebKit": {
"result": "fail",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-030",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-icb-vrl-032",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-003",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "fail",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-005",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-007",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "fail",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-009",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "fail",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-011",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "fail",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-013",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-015",
"required": true
},
{
"Blink": {
"result": "fail",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "fail",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-017",
"required": true
},
{
"Blink": {
"result": "pass",
"source": "blink"
},
"Gecko": {
"result": "pass",
"source": "gtalbot"
},
"Trident": {
"result": "pass",
"source": "hshiozawa"
},
"WebKit": {
"result": "pass",
"source": "lemoned"
},
"id": "abs-pos-non-replaced-vlr-019",
"required": true
},
{
"Blink": {