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<!doctype html>
<meta charset=utf-8>
<title>CSS Text 3 test coverage report</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="../default.css" rel="stylesheet" type="text/css">
<style>/* style-wpt */ :root { --wpt-border: hsl(0, 0%, 60%); --wpt-bg: hsl(0, 0%, 95%); --wpt-text: var(--text); --wptheading-text: hsl(0, 0%, 30%); } @media (prefers-color-scheme: dark) { :root { --wpt-border: hsl(0, 0%, 30%); --wpt-bg: var(--borderedblock-bg); --wpt-text: var(--text); --wptheading-text: hsl(0, 0%, 60%); } } .wpt-tests-block { list-style: none; border-left: .5em solid var(--wpt-border); background: var(--wpt-bg); color: var(--wpt-text); margin: 1em auto; padding: .5em; } .wpt-tests-block summary { color: var(--wptheading-text); font-weight: normal; text-transform: uppercase; } .wpt-tests-block summary::marker{ color: var(--wpt-border); } .wpt-tests-block summary:hover::marker{ color: var(--wpt-text); } /* The only content of a wpt test block in its closed state is the <summary>, which contains the word TESTS, and that is absolutely positioned. In that closed state, wpt test blocks are styled to have a top margin whose height is exactly equal to the height of the absolutely positioned <summary>, and no other background/padding/margin/border. The wpt test block elements will therefore allow the maring of the previous/next block elements to collapse through them; if this combined margin would be larger than its own top margin, it stays as is, and therefore the pre-existing vertical rhythm of the document is undisturbed. If that combined margin would be smaller, it is grown to that size. This means that the wpt test block ensures that there's always enough vertical space to insert the summary, without adding more than is needed. */ .wpt-tests-block:not([open]){ padding: 0; border: none; background: none; font-size: 0.75em; line-height: 1; position: relative; margin: 1em 0 0; } .wpt-tests-block:not([open]) summary { position: absolute; right: 0; bottom: 0; } /* It is possible that both the last child of a block element and the block element itself would be annotated with a <wpt> block each. If the block element has a padding or a border, that's fine, but otherwise the bottom margin of the block and of its last child would collapse and both <wpt> elements would overlap, being both placed there. To avoid that, add 1px of padding to the <wpt> element annotating the last child to prevent the bottom margin of the block and of its last child from collapsing (and as much negative margin, as wel only want to prevent margin collapsing, but are not trying to actually take more space). */ .wpt-tests-block:not([open]):last-child { padding-bottom: 1px; margin-bottom: -1px; } /* Exception to the previous rule: don't do that in non-last list items, because it's not necessary, and would therefore consume more space than strictly needed. Lists must have list items as children, not <wpt> elements, so a <wpt> element cannot be a sibling of a list item, and the collision that the previous rule avoids cannot happen. */ li:not(:last-child) > .wpt-tests-block:not([open]):last-child, dd:not(:last-child) > .wpt-tests-block:not([open]):last-child { padding-bottom: 0; margin-bottom: 0; } .wpt-tests-block:not([open]):not(:hover){ opacity: 0.5; } .wpt-tests-list { list-style: none; display: grid; margin: 0; padding: 0; grid-template-columns: 1fr auto auto; grid-column-gap: .5em; } .wpt-tests-block hr:last-child { display: none; } .wpt-test { display: contents; } .wpt-test > a { text-decoration: underline; border: none; } .wpt-test > .wpt-name { grid-column: 1; } .wpt-test > .wpt-live { grid-column: 2; } .wpt-test > .wpt-source { grid-column: 3; } </style>
<div class=head>
<h1 id=title>CSS Text 3 test coverage report</h1>
<h2 class=subtitle>2023-09-22</h2>
<dl>
<dt class="editor">Prepared by:
<dd class="editor p-author h-card vcard" data-editor-id="43241"><a class="p-name fn u-url url" href="https://florian.rivoal.net">Florian Rivoal</a> (<span class="p-org org">Invited Expert</span>)
</dl>
<hr title="Separator for header">
</div>
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<main>
<h2 class="heading settled" data-level="1" id="intro"><span class="secno">1. </span><span class="content"> Introduction</span><a class="self-link" href="#intro"></a></h2>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>The test coverage information in this specification
covers <a href="https://github.com/web-platform-tests/wpt/tree/master/css/css-text/">wpt/css/css-text/</a> and subdirectories,
as well as those tests in <a href="https://github.com/web-platform-tests/wpt/tree/master/css/CSS2/">wpt/css/CSS2/</a> and subdirectories
that relate to this specification.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="1.1" id="placement"><span class="secno">1.1. </span><span class="content"> Module Interactions</span><a class="self-link" href="#placement"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>Tests not needed for this section.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="1.2" id="values"><span class="secno">1.2. </span><span class="content"> Value Definitions</span><a class="self-link" href="#values"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>Tests not really needed for this section;
could possibly test that css-wide keywords apply to every property.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="1.3" id="languages"><span class="secno">1.3. </span><span class="content"> Languages and Typesetting</span><a class="self-link" href="#languages"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>Tests not needed for this section:
these are definitions,
they get tested through their application,
not by themselves.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="1.4" id="characters"><span class="secno">1.4. </span><span class="content"> Characters and Letters</span><a class="self-link" href="#characters"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
For the most part, tests not really needed for this section:
these are definitions,
they get tested through their applications,
by themselves.
The few testable assertions that are made have coverage.
</p><p>Possible additions:</p>
<ul>
<li data-md="">
<p>turning the content of example 1 into tests (first, check that it’s not already done).</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="1.5" id="text-encoding"><span class="secno">1.5. </span><span class="content"> Text Processing</span><a class="self-link" href="#text-encoding"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has adequate coverage.
Exhaustive coverage unrealistic,
since this section is effectively a dependency on all of Unicode.
Some tests nonetheless provided for key functionality
(such as the effect of certain control characters on Arabic shaping).</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h2 class="heading settled" data-level="2" id="transforming"><span class="secno">2. </span><span class="content"> Transforming Text</span><a class="self-link" href="#transforming"></a></h2>
<h3 class="heading settled" data-level="2.1" id="text-transform-property"><span class="secno">2.1. </span><span class="content"> Case Transforms: the <a class="property css" data-link-type="property" href="#propdef-text-transform" id="ref-for-propdef-text-transform">text-transform</a> property</span><span id="text-transform"></span><span id="caps-prop"></span><a class="self-link" href="#text-transform-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has good test coverage overall,
and very good i18n coverage in particular.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>no test of Animation type.</p>
</li><li data-md="">
<p>Applies to text</p>
</li></ul>
<p>Possible additions:</p>
<ul>
<li data-md="">
<p>An automated test for plain text copy&paste not applying transforms. Not clear such an <em>automated</em> test is possible, but it would be nice to have one if it were.</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="2.1.1" id="text-transform-mapping"><span class="secno">2.1.1. </span><span class="content"> Mapping Rules</span><a class="self-link" href="#text-transform-mapping"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has adequate test coverage.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="2.2" id="word-space-transform"><span class="secno">2.2. </span><span class="content"> Expanding Between Words: the <a class="property css" data-link-type="property" href="#propdef-word-space-transform" id="ref-for-propdef-word-space-transform">word-space-transform</a> property</span><span id="word-boundary-expansion"></span><a class="self-link" href="#word-space-transform"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has generally good coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>no test of Animation type</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="2.3" id="text-transform-order"><span class="secno">2.3. </span><span class="content"> Order of Operations</span><a class="self-link" href="#text-transform-order"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has adequate test coverage.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h2 class="heading settled" data-level="3" id="white-space-property"><span class="secno">3. </span><span class="content"> White Space and Wrapping: the <a class="property css" data-link-type="property" href="#propdef-white-space" id="ref-for-propdef-white-space">white-space</a> property</span><a class="self-link" href="#white-space-property"></a></h2>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has good overall test coverage,
particularly through tests for <a href="#white-space-processing">§ 4 White Space Processing & Control Characters</a> and subsections,
and longhand properties.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>No test of Animation type</p>
</li><li data-md="">
<p>Intrinsic (min and max) sizing tests for normal and nowrap.</p>
</li><li data-md="">
<p>shorthand to longhand expansion involving white-space-trim values and preserve-spaces</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h2 class="heading settled" data-level="4" id="white-space-processing"><span class="secno">4. </span><span class="content"> White Space Processing & Control Characters</span><a class="self-link" href="#white-space-processing"></a></h2>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has reasonably good test coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>“As required by Unicode, unsupported Default_ignorable characters must be ignored for text rendering”</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="4.1" id="white-space-collapsing"><span class="secno">4.1. </span><span class="content"> White Space Collapsing: the <a class="property css" data-link-type="property" href="#propdef-white-space-collapse" id="ref-for-propdef-white-space-collapse④">white-space-collapse</a> property</span><a class="self-link" href="#white-space-collapsing"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has limited direct coverage,
but extensive coverage through the <a class="property css" data-link-type="property" href="#propdef-white-space" id="ref-for-propdef-white-space④">white-space</a> shorthand.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>any direct tests as a longhand (other than syntax and inheritance)</p>
</li><li data-md="">
<p>tests of the preserve-spaces value (direct or indirect)</p>
</li><li data-md="">
<p>tests of the discard value (direct or indirect)</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="4.2" id="white-space-trim"><span class="secno">4.2. </span><span class="content"> White Space Trimming: the <a class="property css" data-link-type="property" href="#propdef-white-space-trim" id="ref-for-propdef-white-space-trim④">white-space-trim</a> property</span><span id="text-space-trim"></span><a class="self-link" href="#white-space-trim"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section mostly lacks tests</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="4.3" id="white-space-rules"><span class="secno">4.3. </span><span class="content"> The White Space Processing Rules</span><a class="self-link" href="#white-space-rules"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has good test coverage.
Most tests to be found in subsections.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="4.3.1" id="white-space-phase-1"><span class="secno">4.3.1. </span><span class="content"> Phase I: Collapsing and Transformation</span><a class="self-link" href="#white-space-phase-1"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has good test coverage,
most parts are well exercised.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>If white-space-collapse is set to preserve-spaces, each tab and segment break is converted to a space.</p>
</li></ul>
<p></p>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="4.3.2" id="white-space-phase-2"><span class="secno">4.3.2. </span><span class="content"> Phase II: Trimming and Positioning</span><a class="self-link" href="#white-space-phase-2"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has good test coverage,
all parts are well exercised.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="4.3.3" id="line-break-transform"><span class="secno">4.3.3. </span><span class="content"> Segment Break Transformation Rules</span><a class="self-link" href="#line-break-transform"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has reasonable test coverage,
though some assertions are only tested indirectly through
test for other features that rely on this,
rather than by dedicated tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled caniuse-paneled" data-level="4.4" id="tab-size-property"><span class="secno">4.4. </span><span class="content"> Tab Character Size: the <a class="property css" data-link-type="property" href="#propdef-tab-size" id="ref-for-propdef-tab-size①">tab-size</a> property</span><span id="tab-size"></span><a class="self-link" href="#tab-size-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has good test coverage.
</p><p>Missing test:</p>
<ul>
<li data-md="">
<p>Applies to text</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h2 class="heading settled" data-level="5" id="line-breaking"><span class="secno">5. </span><span class="content"> Line Breaking and Word Boundaries</span><a class="self-link" href="#line-breaking"></a></h2>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
Tests mostly not needed for this section:
these are definitions,
they get tested through their application,
not by themselves.
</p><p>Can be a good section
to host tests for i18n requirements
not covered in detail by the spec.</p>
<p>Possible additions:</p>
<ul>
<li data-md="">
<p>tests for at least one language with line breaking based on orthographic syllable boundaries</p>
</li><li data-md="">
<p>Basic line breaking tests for some languages mentioned: Javanese, Balinese, Yi</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="5.1" id="line-break-details"><span class="secno">5.1. </span><span class="content"> Line Breaking Details</span><a class="self-link" href="#line-break-details"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has partial test coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>For soft wrap opportunities before the first or after the last character of a box, the break occurs immediately before/after the box (at its margin edge) rather than breaking the box between its content edge and the content.</p>
</li></ul>
<p>Untestable(?):</p>
<ul>
<li data-md="">
<p>UAs that allow wrapping at punctuation other than spaces should prioritize breakpoints. […]</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled caniuse-paneled" data-level="5.2" id="word-break-property"><span class="secno">5.2. </span><span class="content"> Breaking Rules for Letters: the <a class="property css" data-link-type="property" href="#propdef-word-break" id="ref-for-propdef-word-break③">word-break</a> property</span><span id="word-break"></span><a class="self-link" href="#word-break-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has partial test coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>Applies to text</p>
</li><li data-md="">
<p>No test of Animation type.</p>
</li><li data-md="">
<p>affects intrinsic sizing (tested for word-break:break-word)</p>
</li><li data-md="">
<p>treating non-letter typographic character units belonging to the NU, AL, AI, or ID Unicode line breaking classes</p>
</li><li data-md="">
<p>any typographic character units resolving to the any typographic letter units (and any typographic character units resolving to the <code>NU</code> (“numeric”), <code>AL</code> (“alphabetic”), or <code>SA</code> (“Southeast Asian”) line breaking classes</p>
</li><li data-md="">
<p>effect of word-break:keep-all on NU and AI classes</p>
</li><li data-md="">
<p>Symbols that line-break the same way as letters of a particular category are affected the same way as those letters.</p>
</li><li data-md="">
<p>does not suppress wbr (tested with auto-phrase, but not with keep-all or manual)</p>
</li><li data-md="">
<p>More tests for “does not affect rules governing the soft wrap opportunities created around punctuation</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="5.2.1" id="analytical-word-breaking"><span class="secno">5.2.1. </span><span class="content"> Analytical Word Breaking</span><a class="self-link" href="#analytical-word-breaking"></a></h4>
<h5 class="heading settled" data-level="5.2.1.1" id="lexical-breaking"><span class="secno">5.2.1.1. </span><span class="content"> Lexical Word Breaking</span><a class="self-link" href="#lexical-breaking"></a></h5>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has basic but adequate coverage</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h5 class="heading settled" data-level="5.2.1.2" id="orthographic-breaking"><span class="secno">5.2.1.2. </span><span class="content"> Orthographic Breaking</span><a class="self-link" href="#orthographic-breaking"></a></h5>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section is untested.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h5 class="heading settled" data-level="5.2.1.3" id="fallback-breaking"><span class="secno">5.2.1.3. </span><span class="content"> Fallback Breaking</span><a class="self-link" href="#fallback-breaking"></a></h5>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has basic but adequate coverage</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="5.2.2" id="phrase-pref"><span class="secno">5.2.2. </span><span class="content"> Expressing User Preferences for Phrase-based Line Breaking</span><a class="self-link" href="#phrase-pref"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section is untested, but it is not clear how it could be.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="5.3" id="line-break-property"><span class="secno">5.3. </span><span class="content"> Line Breaking Strictness: the <a class="property css" data-link-type="property" href="#propdef-line-break" id="ref-for-propdef-line-break①⓪">line-break</a> property</span><a class="self-link" href="#line-break-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has extensive test coverage for CJK.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>applies to text</p>
</li><li data-md="">
<p>affects intrinsic sizing</p>
</li></ul>
<p>Untestable(?):</p>
<ul>
<li data-md="">
<p>behavior of “auto”</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="5.4" id="hyphenation"><span class="secno">5.4. </span><span class="content"> Hyphenation: Morphological Breaking Within Words</span><a class="self-link" href="#hyphenation"></a></h3>
<h4 class="heading settled caniuse-paneled" data-level="5.4.1" id="hyphens-property"><span class="secno">5.4.1. </span><span class="content"> Hyphenation Control: the <a class="property css" data-link-type="property" href="#propdef-hyphens" id="ref-for-propdef-hyphens②">hyphens</a> property</span><a class="self-link" href="#hyphens-property"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has partial test coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>Applies to text</p>
</li><li data-md="">
<p>“Automatic hyphenation opportunities within a word must be ignored if the word contains a conditional hyphen (shy or U+00AD), in favor of the conditional hyphen(s)”</p>
</li><li data-md="">
<p>“However, if, even after breaking at such opportunities, a portion of that word is still too long to fit on one line, an automatic hyphenation opportunity may be used.”</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="5.4.2" id="hyphenate-character"><span class="secno">5.4.2. </span><span class="content"> Hyphens: the <a class="property css" data-link-type="property" href="#propdef-hyphenate-character" id="ref-for-propdef-hyphenate-character">hyphenate-character</a> property</span><a class="self-link" href="#hyphenate-character"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has partial coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>applies to text</p>
</li><li data-md="">
<p>inheritance</p>
</li><li data-md="">
<p>the UA must insert the string according to the typographic conventions of the content language</p>
</li></ul>
<p>Likely untestable:</p>
<ul>
<li data-md="">
<p>when the UA truncates the string (which it may not do),
it must not truncate part of a typographic character unit.</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="5.4.3" id="hyphenate-size-limits"><span class="secno">5.4.3. </span><span class="content"> Hyphenation Size Limit: the <a class="property css" data-link-type="property" href="#propdef-hyphenate-limit-zone" id="ref-for-propdef-hyphenate-limit-zone">hyphenate-limit-zone</a> property</span><a class="self-link" href="#hyphenate-size-limits"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section lacks tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="5.4.4" id="hyphenate-char-limits"><span class="secno">5.4.4. </span><span class="content"> Hyphenation Character Limits: the <a class="property css" data-link-type="property" href="#propdef-hyphenate-limit-chars" id="ref-for-propdef-hyphenate-limit-chars">hyphenate-limit-chars</a> property</span><a class="self-link" href="#hyphenate-char-limits"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has limited coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>applies to text</p>
</li><li data-md="">
<p>inherited</p>
</li><li data-md="">
<p>If the third value is missing, it is the same as the second.</p>
</li><li data-md="">
<p>tests of the two-value syntax (but not just syntax tests, check that it has an effect)</p>
</li><li data-md="">
<p>tests of the 3 value syntax with auto in positions other than first (but not just syntax tests, check that it has an effect)</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="5.4.5" id="hyphenate-line-limits"><span class="secno">5.4.5. </span><span class="content"> Hyphenation Line Limits: the <a class="property css" data-link-type="property" href="#propdef-hyphenate-limit-lines" id="ref-for-propdef-hyphenate-limit-lines">hyphenate-limit-lines</a> and <a class="property css" data-link-type="property" href="#propdef-hyphenate-limit-last" id="ref-for-propdef-hyphenate-limit-last">hyphenate-limit-last</a> properties</span><a class="self-link" href="#hyphenate-line-limits"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section lacks tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled caniuse-paneled" data-level="5.5" id="overflow-wrap-property"><span class="secno">5.5. </span><span class="content"> Overflow Wrapping: the <a class="property css" data-link-type="property" href="#propdef-overflow-wrap" id="ref-for-propdef-overflow-wrap⑥">overflow-wrap</a>/<a class="property css" data-link-type="property" href="#propdef-word-wrap" id="ref-for-propdef-word-wrap">word-wrap</a> property</span><span id="overflow-wrap"></span><a class="self-link" href="#overflow-wrap-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has fairly good test coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>Applies to text</p>
</li><li data-md="">
<p>in the case of auto-phrase, opportunities brought by anywhere only kick in after those from normal</p>
</li><li data-md="">
<p>No test of Animation type</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h2 class="heading settled" data-level="6" id="text-wrapping"><span class="secno">6. </span><span class="content"> Text Wrapping</span><a class="self-link" href="#text-wrapping"></a></h2>
<h3 class="heading settled" data-level="6.1" id="text-wrap"><span class="secno">6.1. </span><span class="content"> Text Wrap Setting</span><a class="self-link" href="#text-wrap"></a></h3>
<h4 class="heading settled" data-level="6.1.1" id="text-wrap-shorthand"><span class="secno">6.1.1. </span><span class="content"> Joint Wrapping Control: the <a class="property css" data-link-type="property" href="#propdef-text-wrap" id="ref-for-propdef-text-wrap">text-wrap</a> shorthand property</span><a class="self-link" href="#text-wrap-shorthand"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has limited coverage.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="6.1.2" id="text-wrap-mode"><span class="secno">6.1.2. </span><span class="content"> Deciding Whether to Wrap: the <a class="property css" data-link-type="property" href="#propdef-text-wrap-mode" id="ref-for-propdef-text-wrap-mode①⓪">text-wrap-mode</a> property</span><a class="self-link" href="#text-wrap-mode"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This property is tested extensively through its shorthands,
but not directly.
</p><p>Missing test:</p>
<ul>
<li data-md="">
<p>Direct tests of this property as a longhand</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="6.1.3" id="text-wrap-style"><span class="secno">6.1.3. </span><span class="content"> Selecting How to Wrap: the <a class="property css" data-link-type="property" href="#propdef-text-wrap-style" id="ref-for-propdef-text-wrap-style⑤">text-wrap-style</a> property</span><a class="self-link" href="#text-wrap-style"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This property has limited coverage.
</p><p>Missing test:</p>
<ul>
<li data-md="">
<p>tests for values other than balance</p>
</li><li data-md="">
<p>Direct tests of this property as a longhand</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="6.2" id="wrap-before"><span class="secno">6.2. </span><span class="content"> Controlling Breaks Between Boxes: the <a class="property css" data-link-type="property" href="#propdef-wrap-before" id="ref-for-propdef-wrap-before①">wrap-before</a>/<a class="property css" data-link-type="property" href="#propdef-wrap-after" id="ref-for-propdef-wrap-after①">wrap-after</a> properties</span><a class="self-link" href="#wrap-before"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section lacks tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="6.3" id="wrap-inside"><span class="secno">6.3. </span><span class="content"> Controlling Breaks Within Boxes: the <a class="property css" data-link-type="property" href="#propdef-wrap-inside" id="ref-for-propdef-wrap-inside①">wrap-inside</a> property</span><a class="self-link" href="#wrap-inside"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section lacks tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="6.3.1" id="example-avoid"><span class="secno">6.3.1. </span><span class="content"> Example of using 'wrap-inside: avoid' in presenting a footer</span><a class="self-link" href="#example-avoid"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section does not need tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="6.4" id="word-break-shaping"><span class="secno">6.4. </span><span class="content"> Shaping Across Intra-word Breaks</span><a class="self-link" href="#word-break-shaping"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has good test coverage.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="6.5" id="last-line-limits"><span class="secno">6.5. </span><span class="content"> Last Line Minimum Length</span><a class="self-link" href="#last-line-limits"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section has no normative text, so it cannot have tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h2 class="heading settled" data-level="7" id="justification"><span class="secno">7. </span><span class="content"> Alignment and Justification</span><a class="self-link" href="#justification"></a></h2>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>Tests only needed in subsections.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="7.1" id="text-align-property"><span class="secno">7.1. </span><span class="content"> Text Alignment: the <a class="property css" data-link-type="property" href="#propdef-text-align" id="ref-for-propdef-text-align">text-align</a> shorthand</span><a class="self-link" href="#text-align-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has partial test coverage.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>
tests for the <
<string>> value</string>
</p>
</li><li data-md="">
<p>If (after justification, if any) the inline contents of a line box are too long to fit within it, then the contents are start-aligned: any content that doesn’t fit overflows the line box’s end edge.</p>
</li><li data-md="">
<p>If the UA chooses to adjust the text, then it must ensure that tab stops continue to line up</p>
</li><li data-md="">
<p>“Values other than justify-all or match-parent are assigned to text-align-all and reset text-align-last to auto.”, and being a shorthand in general</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="7.2" id="character-alignment"><span class="secno">7.2. </span><span class="content"> Character-based Alignment in a Table Column</span><a class="self-link" href="#character-alignment"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section lacks tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled" data-level="7.3" id="text-align-all-property"><span class="secno">7.3. </span><span class="content"> Default Text Alignment: the <a class="property css" data-link-type="property" href="#propdef-text-align-all" id="ref-for-propdef-text-align-all④">text-align-all</a> property</span><span id="text-align-all"></span><a class="self-link" href="#text-align-all-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>This section lacks tests.</p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled caniuse-paneled" data-level="7.4" id="text-align-last-property"><span class="secno">7.4. </span><span class="content"> Last Line Alignment: the <a class="property css" data-link-type="property" href="#propdef-text-align-last" id="ref-for-propdef-text-align-last⑥">text-align-last</a> property</span><span id="text-align-last"></span><a class="self-link" href="#text-align-last-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has fairly good test coverage:
all value combinations for text-align / text-align-last are exercised,
except for text-align-last: match-parent (which is exercised, but in a more limited way).
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>tests for Animation type</p>
</li></ul>
<p></p>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h3 class="heading settled caniuse-paneled" data-level="7.5" id="text-justify-property"><span class="secno">7.5. </span><span class="content"> Justification Method: the <a class="property css" data-link-type="property" href="#propdef-text-justify" id="ref-for-propdef-text-justify②">text-justify</a> property</span><span id="text-justify"></span><a class="self-link" href="#text-justify-property"></a></h3>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section has light test coverage.
All values (other than auto) are tested,
but the tests are minimal.
Not sure we can do better though.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>Applies to text</p>
</li><li data-md="">
<p>no-compress</p>
</li><li data-md="">
<p>ruby</p>
</li></ul>
<p>Untestable(?):</p>
<ul>
<li data-md="">
<p>behavior of auto</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>
<hr>
</details>
<h4 class="heading settled" data-level="7.5.1" id="expanding-text"><span class="secno">7.5.1. </span><span class="content"> Expanding and Compressing Text</span><a class="self-link" href="#expanding-text"></a></h4>
<details class="wpt-tests-block" dir="ltr" lang="en" open="">
<summary>Tests</summary>
<p>
This section lacks tests.
</p><p>Missing tests:</p>
<ul>
<li data-md="">
<p>whether a typographic character unit provides a justification opportunity is controlled by the text-justify value of its parent;</p>
</li><li data-md="">
<p>whether a justification opportunity exists between two consecutive typographic character units is determined by the text-justify value of their nearest common ancestor.</p>
</li><li data-md="">
<p>UAs must not break required ligatures or otherwise disable features required to correctly shape complex scripts</p>
</li><li data-md="">
<p>… and maybe more</p>
</li></ul>
<p></p>
<ul class="wpt-tests-list"></ul>