devtools/server/tests/chrome/test_styles-layout.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <meta charset="utf-8">
   5 <title>Test for Bug 1175040 - PageStyleActor.getLayout</title>
   6 <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
   7 <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
   8 <script type="application/javascript" src="inspector-helpers.js"></script>
   9 <script type="application/javascript">
  10 "use strict";
  11
  12 window.onload = function() {
  13   SimpleTest.waitForExplicitFinish();
  14   runNextTest();
  15 };
  16
  17 let gWalker = null;
  18 let gStyles = null;
  19
  20 addTest(async function() {
  21   const url = document.getElementById("inspectorContent").href;
  22   const { target } = await attachURL(url);
  23   const inspector = await target.getFront("inspector");
  24   gWalker = inspector.walker;
  25   gStyles = await inspector.getPageStyle();
  26   runNextTest();
  27 });
  28
  29 addTest(function() {
  30   ok(gStyles.getLayout, "The PageStyleActor has a getLayout method");
  31   runNextTest();
  32 });
  33
  34 addAsyncTest(async function() {
  35   const node = await gWalker.querySelector(gWalker.rootNode, "#layout-element");
  36   const layout = await gStyles.getLayout(node, {});
  37
  38   const properties = ["width", "height",
  39                       "margin-top", "margin-right", "margin-bottom",
  40                       "margin-left", "padding-top", "padding-right",
  41                       "padding-bottom", "padding-left", "border-top-width",
  42                       "border-right-width", "border-bottom-width",
  43                       "border-left-width", "z-index", "box-sizing", "display",
  44                       "position"];
  45   for (const prop of properties) {
  46     ok((prop in layout), "The layout object returned has " + prop);
  47   }
  48
  49   runNextTest();
  50 });
  51
  52 addAsyncTest(async function() {
  53   const node = await gWalker.querySelector(gWalker.rootNode, "#layout-element");
  54   const layout = await gStyles.getLayout(node, {});
  55
  56   const expected = {
  57     "box-sizing": "border-box",
  58     "position": "absolute",
  59     "z-index": "2",
  60     "display": "block",
  61     "width": 50,
  62     "height": 50,
  63     "margin-top": "10px",
  64     "margin-right": "20px",
  65     "margin-bottom": "30px",
  66     "margin-left": "0px",
  67   };
  68
  69   for (const name in expected) {
  70     is(layout[name], expected[name], "The " + name + " property is correct");
  71   }
  72
  73   runNextTest();
  74 });
  75
  76 addAsyncTest(async function() {
  77   const node = await gWalker.querySelector(gWalker.rootNode,
  78                                          "#layout-auto-margin-element");
  79
  80   let layout = await gStyles.getLayout(node, {});
  81   ok(!("autoMargins" in layout),
  82      "By default, getLayout doesn't return auto margins");
  83
  84   layout = await gStyles.getLayout(node, {autoMargins: true});
  85   ok(("autoMargins" in layout),
  86      "getLayout does return auto margins when asked to");
  87   is(layout.autoMargins.left, "auto", "The left margin is auto");
  88   is(layout.autoMargins.right, "auto", "The right margin is auto");
  89   ok(!layout.autoMargins.bottom, "The bottom margin is not auto");
  90   ok(!layout.autoMargins.top, "The top margin is not auto");
  91
  92   runNextTest();
  93 });
  94
  95 addTest(function() {
  96   gStyles = gWalker = null;
  97   runNextTest();
  98 });
  99
 100 </script>
 101 </head>
 102 <body>
 103 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1175040">Mozilla Bug 1175040</a>
 104 <a id="inspectorContent" target="_blank" href="inspector-styles-data.html">Test Document</a>
 105 <p id="display"></p>
 106 <div id="content" style="display: none"></div>
 107 <pre id="test">
 108 </pre>
 109 </body>
 110 </html>