mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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100 lines
2.8 KiB
JavaScript
100 lines
2.8 KiB
JavaScript
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Tests that CSS specificity is properly calculated.
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const DOMUtils = Cc["@mozilla.org/inspector/dom-utils;1"]
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.getService(Ci.inIDOMUtils);
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function createDocument()
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{
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let doc = content.document;
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doc.body.innerHTML = getStylesheetText();
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doc.title = "Computed view specificity test";
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runTests(doc);
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}
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function runTests(doc) {
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let cssLogic = new CssLogic();
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cssLogic.highlight(doc.body);
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let tests = getTests();
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let cssSheet = cssLogic.sheets[0];
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let cssRule = cssSheet.domSheet.cssRules[0];
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let selectors = CssLogic.getSelectors(cssRule);
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for (let i = 0; i < selectors.length; i++) {
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let selectorText = selectors[i];
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let selector = new CssSelector(cssRule, selectorText, i);
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let expected = getExpectedSpecificity(selectorText);
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let specificity = DOMUtils.getSpecificity(selector.cssRule,
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selector.selectorIndex)
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is(specificity, expected,
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'selector "' + selectorText + '" has a specificity of ' + expected);
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}
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finishUp();
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}
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function getExpectedSpecificity(selectorText) {
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let tests = getTests();
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for (let test of tests) {
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if (test.text == selectorText) {
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return test.expected;
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}
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}
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}
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function getTests() {
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return [
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{text: "*", expected: 0},
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{text: "LI", expected: 1},
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{text: "UL LI", expected: 2},
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{text: "UL OL + LI", expected: 3},
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{text: "H1 + [REL=\"up\"]", expected: 257},
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{text: "UL OL LI.red", expected: 259},
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{text: "LI.red.level", expected: 513},
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{text: ".red .level", expected: 512},
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{text: "#x34y", expected: 65536},
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{text: "#s12:not(FOO)", expected: 65537},
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{text: "body#home div#warning p.message", expected: 131331},
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{text: "* body#home div#warning p.message", expected: 131331},
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{text: "#footer :not(nav) li", expected: 65538},
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{text: "bar:nth-child(n)", expected: 257},
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{text: "li::-moz-list-number", expected: 1},
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{text: "a:hover", expected: 257},
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];
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}
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function getStylesheetText() {
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let tests = getTests();
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let text = "";
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tests.forEach(function(test) {
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if (text.length > 0) {
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text += ",";
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}
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text += test.text;
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});
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return '<style type="text/css">' + text + " {color:red;}</style>";
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}
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function finishUp()
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{
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CssLogic = CssSelector = tempScope = null;
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finish();
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}
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function test()
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{
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waitForExplicitFinish();
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gBrowser.selectedTab = gBrowser.addTab();
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gBrowser.selectedBrowser.addEventListener("load", function onLoad(evt) {
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gBrowser.selectedBrowser.removeEventListener(evt.type, onLoad, true);
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waitForFocus(createDocument, content);
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}, true);
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content.location = "data:text/html,Computed view specificity test";
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}
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