test_css-logic.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug </title>

  <script 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" src="inspector-helpers.js"></script>

  <script type="application/javascript">

"use strict";

const {CssLogic} = require("devtools/server/actors/inspector/css-logic");

window.onload = function() {

  SimpleTest.waitForExplicitFinish();

  runNextTest();

};

addTest(function getComputedStyle() {

  const node = document.querySelector("#computed-style");

  is(CssLogic.getComputedStyle(node).getPropertyValue("width"),

      "50px", "Computed style on a normal node works (width)");

  is(CssLogic.getComputedStyle(node).getPropertyValue("height"),

      "10px", "Computed style on a normal node works (height)");

  const firstChild = new _documentWalker(node, window).firstChild();

  is(CssLogic.getComputedStyle(firstChild).getPropertyValue("content"),

     "\"before\"", "Computed style on a ::before node works (content)");

  const lastChild = new _documentWalker(node, window).lastChild();

  is(CssLogic.getComputedStyle(lastChild).getPropertyValue("content"),

     "\"after\"", "Computed style on a ::after node works (content)");

  runNextTest();

});

addTest(function getBindingElementAndPseudo() {

  const node = document.querySelector("#computed-style");

  let {bindingElement, pseudo} = CssLogic.getBindingElementAndPseudo(node);

  is(bindingElement, node,

     "Binding element is the node itself for a normal node");

  ok(!pseudo, "Pseudo is null for a normal node");

  const firstChild = new _documentWalker(node, window).firstChild();

  ({ bindingElement, pseudo } = CssLogic.getBindingElementAndPseudo(firstChild));

  is(bindingElement, node,

     "Binding element is the parent for a pseudo node");

  is(pseudo, "::before", "Pseudo is correct for a ::before node");

  const lastChild = new _documentWalker(node, window).lastChild();

  ({ bindingElement, pseudo } = CssLogic.getBindingElementAndPseudo(lastChild));

  is(bindingElement, node,

     "Binding element is the parent for a pseudo node");

  is(pseudo, "::after", "Pseudo is correct for a ::after node");

  runNextTest();

});

  </script>

</head>

<body>

  <style type="text/css">

    #computed-style { width: 50px; height: 10px; }

    #computed-style::before { content: "before"; }

    #computed-style::after { content: "after"; }

  </style>

  <div id="computed-style"></div>

</body>

</html>