зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
4.9 KiB
HTML
125 строки
4.9 KiB
HTML
<!DOCTYPE HTML>
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<!-- vim: set shiftwidth=4 tabstop=8 autoindent expandtab: -->
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<!-- ***** BEGIN LICENSE BLOCK *****
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- Version: MPL 1.1/GPL 2.0/LGPL 2.1
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-
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- The contents of this file are subject to the Mozilla Public License Version
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- 1.1 (the "License"); you may not use this file except in compliance with
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- the License. You may obtain a copy of the License at
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- http://www.mozilla.org/MPL/
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-
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- Software distributed under the License is distributed on an "AS IS" basis,
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- WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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- for the specific language governing rights and limitations under the
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- License.
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-
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- The Original Code is test_cascade.html
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-
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- The Initial Developer of the Original Code is the Mozilla Foundation.
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- Portions created by the Initial Developer are Copyright (C) 2008
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- the Initial Developer. All Rights Reserved.
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-
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- Contributor(s):
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- L. David Baron <dbaron@dbaron.org>, Mozilla Corporation (original author)
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-
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- Alternatively, the contents of this file may be used under the terms of
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- either the GNU General Public License Version 2 or later (the "GPL"), or
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- the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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- in which case the provisions of the GPL or the LGPL are applicable instead
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- of those above. If you wish to allow use of your version of this file only
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- under the terms of either the GPL or the LGPL, and not to allow others to
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- use your version of this file under the terms of the MPL, indicate your
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- decision by deleting the provisions above and replace them with the notice
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- and other provisions required by the LGPL or the GPL. If you do not delete
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- the provisions above, a recipient may use your version of this file under
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- the terms of any one of the MPL, the GPL or the LGPL.
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-
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- ***** END LICENSE BLOCK ***** -->
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<html>
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<head>
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<title>Test for Author style sheet aspects of CSS cascading</title>
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<script type="text/javascript" src="/MochiKit/packed.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<style type="text/css">
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</style>
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</head>
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<body id="thebody">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
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<div class="content_class" id="content" style="position:relative"></div>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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/** Test for Author style sheet aspects of CSS cascading **/
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var style_element = document.createElement("style");
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var style_contents = document.createTextNode("");
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style_element.appendChild(style_contents);
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document.getElementsByTagName("head")[0].appendChild(style_element);
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var div = document.getElementById("content");
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var cs = window.getComputedStyle(div, "");
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var zindex = 0;
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/**
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* Given the selectors |sel1| and |sel2|, in that order (the "order"
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* aspect of the cascade), with declarations that are !important if
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* |imp1|/|imp2| are true, assert that the one that wins in the
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* cascading order is given by |winning| (which must be either 1 or 2).
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*/
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function do_test(sel1, imp1, sel2, imp2, winning) {
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var ind1 = ++zindex;
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var ind2 = ++zindex;
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style_contents.data =
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sel1 + " { z-index: " + ind1 + (imp1 ? "!important" :"") + " } " +
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sel2 + " { z-index: " + ind2 + (imp2 ? "!important" :"") + " } ";
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var result = cs.zIndex;
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is(result, (winning == 1) ? ind1 : ind2,
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"cascading of " + style_contents.data);
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}
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// Test order, and order combined with !important
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do_test("div", false, "div", false, 2);
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do_test("div", false, "div", true, 2);
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do_test("div", true, "div", false, 1);
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do_test("div", true, "div", true, 2);
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// Test specificity on a single element
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do_test("div", false, "div.content_class", false, 2);
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do_test("div.content_class", false, "div", false, 1);
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// Test specificity across elements
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do_test("body#thebody div", false, "body div.content_class", false, 1);
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do_test("body div.content_class", false, "body#thebody div", false, 2);
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// Test specificity combined with !important
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do_test("div.content_class", false, "div", false, 1);
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do_test("div.content_class", true, "div", false, 1);
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do_test("div.content_class", false, "div", true, 2);
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do_test("div.content_class", true, "div", true, 1);
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function do_test_greater(sel1, sel2) {
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do_test(sel1, false, sel2, false, 1);
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do_test(sel2, false, sel1, false, 2);
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}
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function do_test_equal(sel1, sel2) {
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do_test(sel1, false, sel2, false, 2);
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do_test(sel2, false, sel1, false, 2);
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}
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// Test specificity of contents of :not()
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do_test_equal("div.content_class", "div:not(.wrong_class)");
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do_test_greater("div.content_class.content_class", "div.content_class");
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do_test_greater("div.content_class", "div");
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do_test_greater("div:not(.wrong_class)", "div");
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do_test_greater("div:not(.wrong_class):not(.wrong_class)",
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"div:not(.wrong_class)");
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</script>
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</pre>
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</body>
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</html>
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