зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
3.2 KiB
HTML
92 строки
3.2 KiB
HTML
<!DOCTYPE HTML>
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<!-- vim: set shiftwidth=4 tabstop=8 autoindent expandtab: -->
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<!-- This Source Code Form is subject to the terms of the Mozilla Public
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- License, v. 2.0. If a copy of the MPL was not distributed with this
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- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
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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="/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, String((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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