<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id= --> <head> <meta charset="utf-8"> <title>Test for Bug </title> <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"> <script type="application/javascript;version=1.8" src="inspector-helpers.js"></script> <script type="application/javascript;version=1.8"> const inspector = require("devtools/server/actors/inspector"); const {isCssPropertyKnown} = require("devtools/server/actors/css-properties"); window.onload = function() { SimpleTest.waitForExplicitFinish(); runNextTest(); } var gWalker = null; var gStyles = null; var gClient = null; addAsyncTest(function* setup() { let url = document.getElementById("inspectorContent").href; let inspector; yield new Promise(resolve => { attachURL(url, function(err, client, tab, doc) { gInspectee = doc; gClient = client; let {InspectorFront} = require("devtools/shared/fronts/inspector"); inspector = InspectorFront(client, tab); resolve(); }); }); gWalker = yield inspector.getWalker(); gStyles = yield inspector.getPageStyle(); runNextTest(); }); addAsyncTest(function* modifyProperties() { let localNode = gInspectee.querySelector("#inheritable-rule-inheritable-style"); let node = yield gWalker.querySelector(gWalker.rootNode, "#inheritable-rule-inheritable-style"); let applied = yield gStyles.getApplied(node, { inherited: false, filter: "user" }); let elementStyle = applied[0].rule; is(elementStyle.cssText, localNode.style.cssText, "Got expected css text"); // Change an existing property... yield setProperty(elementStyle, 0, "color", "black"); // Create a new property yield setProperty(elementStyle, 1, "background-color", "green"); // Create a new property and then change it immediately. yield setProperty(elementStyle, 2, "border", "1px solid black"); yield setProperty(elementStyle, 2, "border", "2px solid black"); is(elementStyle.cssText, "color: black; background-color: green; border: 2px solid black;", "Should have expected cssText"); is(elementStyle.cssText, localNode.style.cssText, "Local node and style front match."); // Remove all the properties yield removeProperty(elementStyle, 0, "color"); yield removeProperty(elementStyle, 0, "background-color"); yield removeProperty(elementStyle, 0, "border"); is(elementStyle.cssText, "", "Should have expected cssText"); is(elementStyle.cssText, localNode.style.cssText, "Local node and style front match."); runNextTest(); }); function* setProperty(rule, index, name, value) { let changes = rule.startModifyingProperties(isCssPropertyKnown); changes.setProperty(index, name, value); yield changes.apply(); } function* removeProperty(rule, index, name) { let changes = rule.startModifyingProperties(isCssPropertyKnown); changes.removeProperty(index, name); yield changes.apply(); } addTest(function cleanup() { delete gStyles; delete gWalker; delete gClient; runNextTest(); }); </script> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a> <a id="inspectorContent" target="_blank" href="inspector-styles-data.html">Test Document</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> </pre> </body> </html>