layout/style/test/test_cascade.html@deefc01c0e14
layout/style/test/test_cascade.html
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 <!DOCTYPE HTML>
2 <!-- vim: set shiftwidth=4 tabstop=8 autoindent expandtab: -->
3 <!-- This Source Code Form is subject to the terms of the Mozilla Public
4 - License, v. 2.0. If a copy of the MPL was not distributed with this
5 - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
6 <html>
7 <head>
8 <title>Test for Author style sheet aspects of CSS cascading</title>
9 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
11 <style type="text/css">
13 </style>
14 </head>
15 <body id="thebody">
16 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
17 <div class="content_class" id="content" style="position:relative"></div>
18 <pre id="test">
19 <script class="testbody" type="text/javascript">
21 /** Test for Author style sheet aspects of CSS cascading **/
23 var style_element = document.createElement("style");
24 var style_contents = document.createTextNode("");
25 style_element.appendChild(style_contents);
26 document.getElementsByTagName("head")[0].appendChild(style_element);
28 var div = document.getElementById("content");
29 var cs = window.getComputedStyle(div, "");
30 var zindex = 0;
32 /**
33 * Given the selectors |sel1| and |sel2|, in that order (the "order"
34 * aspect of the cascade), with declarations that are !important if
35 * |imp1|/|imp2| are true, assert that the one that wins in the
36 * cascading order is given by |winning| (which must be either 1 or 2).
37 */
38 function do_test(sel1, imp1, sel2, imp2, winning) {
39 var ind1 = ++zindex;
40 var ind2 = ++zindex;
41 style_contents.data =
42 sel1 + " { z-index: " + ind1 + (imp1 ? "!important" :"") + " } " +
43 sel2 + " { z-index: " + ind2 + (imp2 ? "!important" :"") + " } ";
44 var result = cs.zIndex;
45 is(result, (winning == 1) ? ind1 : ind2,
46 "cascading of " + style_contents.data);
47 }
49 // Test order, and order combined with !important
50 do_test("div", false, "div", false, 2);
51 do_test("div", false, "div", true, 2);
52 do_test("div", true, "div", false, 1);
53 do_test("div", true, "div", true, 2);
55 // Test specificity on a single element
56 do_test("div", false, "div.content_class", false, 2);
57 do_test("div.content_class", false, "div", false, 1);
59 // Test specificity across elements
60 do_test("body#thebody div", false, "body div.content_class", false, 1);
61 do_test("body div.content_class", false, "body#thebody div", false, 2);
63 // Test specificity combined with !important
64 do_test("div.content_class", false, "div", false, 1);
65 do_test("div.content_class", true, "div", false, 1);
66 do_test("div.content_class", false, "div", true, 2);
67 do_test("div.content_class", true, "div", true, 1);
69 function do_test_greater(sel1, sel2) {
70 do_test(sel1, false, sel2, false, 1);
71 do_test(sel2, false, sel1, false, 2);
72 }
74 function do_test_equal(sel1, sel2) {
75 do_test(sel1, false, sel2, false, 2);
76 do_test(sel2, false, sel1, false, 2);
77 }
79 // Test specificity of contents of :not()
80 do_test_equal("div.content_class", "div:not(.wrong_class)");
81 do_test_greater("div.content_class.content_class", "div.content_class");
82 do_test_greater("div.content_class", "div");
83 do_test_greater("div:not(.wrong_class)", "div");
84 do_test_greater("div:not(.wrong_class):not(.wrong_class)",
85 "div:not(.wrong_class)");
87 </script>
88 </pre>
89 </body>
90 </html>
