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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html lang="en">
<head>
<title>CSS Custom Properties Level 1 CR Test Suite</title>
<style type="text/css">
@import "http://www.w3.org/StyleSheets/TR/base.css";
@import "indices.css";
</style>
</head>
<body>
<h1>CSS Custom Properties Level 1 CR Test Suite</h1>
<dt>Test Coordinator:</dt>
<dd>None Yet</dd>
<p>This is a <strong>Development</strong>
version of the CSS Custom Properties Level 1 CR Test Suite.</p>
<p>You can provide test data or review the testing results for this test suite:</p>
<dt><a href="http://test.csswg.org/harness/suite/css-variables-1_dev">Enter Data</a></dt>
<dt><a href="http://test.csswg.org/harness/review/css-variables-1_dev">Review Results</a></dt>
<p>Some tests in the test suite may contain errors.
Please check the latest version of the
<a href="https://www.w3.org/TR/css-variables-1/">CSS Variables 1 specification</a>
<strong>and its errata</strong>
before assuming a failure is due to an implementation bug and
not a test suite bug.</p>
<p>
In time we hope to correct all errors and extend this test suite to
cover all of CSS Variables 1. Your help is welcome in this effort.
The appropriate mailing list for submitting tests and bug reports is
<a href="http://lists.w3.org/Archives/Public/public-css-testsuite/">public-css-testsuite@w3.org</a>.
More information on the contribution process and test guidelines is
available on the <a href="http://wiki.csswg.org/test">wiki
page</a>.</p>
<p>Tests are currently available in these formats:</p>
<dl>
<dt><a href="html/toc.htm">HTML 5</a></dt>
<dd>HTML 5 tests sent as <code>text/html</code></dd>
<dt><a href="xhtml1/toc.xht">XHTML 1.1</a></dt>
<dd>XHTML 1.1 tests sent as <code>application/xhtml+xml</code></dd>
<dt><a href="xhtml1print/toc.xht">XHTML 1.1 for Printers</a></dt>
<dd>XHTML 1.1 tests with all images converted from PNG to JPEG
and formatted with headers and footers to ease testing of
embedded printer software. This is not a canonical format,
and some tests may fail due to the format conversion that
would otherwise pass in the above XHTML 1.1 format.</dd>
</dl>
<p>Unless the test instructions explicitly indicate otherwise,
any occurrence of red in a test indicates test failure.</p>
<h2 id="implement">Implementation Reports</h2>
<p>An <a href="implementation-report-TEMPLATE.data">implementation report template</a>
is available to help with creating implementation reports. See also the
<a href="http://lists.w3.org/Archives/Public/public-css-testsuite/2010Aug/0020.html">explanation</a>
of its format.</p>
<h2 id="common">Common Assumptions</h2>
<p>Most of the test suite makes the following assumptions:</p>
<ul>
<li>The X/HTML <code>div</code> element is assigned <code>display: block;</code>
and no other property declaration.</li>
<li>The X/HTML <code>span</code> element is assigned <code>display: inline;</code>
and no other property declaration.</li>
<li>The X/HTML <code>p</code> element is assigned <code>display: block;</code></li>
<li>The X/HTML <code>li</code> element is assigned <code>display: list-item;</code></li>
<li>The X/HTML table elements <code>table</code>, <code>tbody</code>,
<code>tr</code>, and <code>td</code> are assigned the <code>display</code>
values <code>table</code>, <code>table-row-group</code>,
<code>table-row</code>, and <code>table-cell</code>, respectively.</li>
<li>The device can display the sixteen color values associated with the color
keywords <code>black</code>, <code>white</code>, <code>gray</code>,
<code>silver</code>, <code>red</code>, <code>green</code>, <code>blue</code>,
<code>purple</code>, <code>yellow</code>, <code>orange</code>, <code>teal</code>,
<code>fuchsia</code>, <code>maroon</code>, <code>navy</code>, <code>aqua</code>,
and <code>lime</code> as distinct colors.</li>
<li>The UA is set to print background colors and, if it supports graphics,
background images.</li>
<li>The UA implements reasonable page-breaking behavior; e.g., it is assumed
that UAs will not break at every opportunity, but only near the end of
a page unless a page break is forced.</li>
<li>The UA implements reasonable line-breaking behavior; e.g., it is assumed
that spaces between alphanumeric characters provide line breaking
opportunities and that UAs will not break at every opportunity, but only
near the end of a line unless a line break is forced.</li>
</ul>
<h2 id="uncommon">Uncommon Assumptions</h2>
<p>In addition, some of the tests make one or more of the following
assumptions:</p>
<ul>
<li>The device is a full-color device.</li>
<li>The device has a viewport width of at least 640px (approx).</li>
<li>The resolution of the device is 96 CSS pixels per inch.</li>
<li>The UA imposes no minimum font size.</li>
<li>The 'medium' font-size computes to 16px.</li>
<li>The initial value of 'color' is black.</li>
<li>The canvas background is white.</li>
<li>The user stylesheet is empty (except where indicated by the tests).</li>
<li>The device is interactive and uses scroll bars.</li>
</ul>
<p>The tests that need these assumptions to be true have not yet been
marked, but it is likely that we will add a way to identify these
tests in due course. Tests should avoid relying on these assumptions
unless necessary.</p>
<h2>License</h2>
<p>This test suite is licensed under both the
<a href="http://www.w3.org/Consortium/Legal/2008/04-testsuite-license">W3C
Test Suite License</a> and the <a href="http://www.w3.org/Consortium/Legal/2008/03-bsd-license">W3C
3-clause BSD License</a>. See W3C Legal's <a href="http://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright">explanation
of the licenses</a>.</p>
<h2>Acknowledgements</h2>
<p>Many thanks to the following for their contributions:</p>
<ul>
<li>Cameron McCormack</li>
<li>L. David Baron</li>
<li>Lea Verou</li>
<li>Mihaela Velimiroviciu</li>
<li>Mozilla Corporation</li>
<li>Noah Collins</li>
<li>Simon Sapin</li>
</ul>
</body>
</html>
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