devtools/server/tests/chrome/test_inspector-resize.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 Test that the inspector actor emits "resize" events when the page is resized.
   5 https://bugzilla.mozilla.org/show_bug.cgi?id=1222409
   6 -->
   7 <head>
   8   <meta charset="utf-8">
   9   <title>Test for Bug 1222409</title>
  10   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  11   <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
  12   <script type="application/javascript" src="inspector-helpers.js"></script>
  13   <script type="application/javascript">
  14 "use strict";
  15
  16 window.onload = function() {
  17   SimpleTest.waitForExplicitFinish();
  18
  19   let win = null;
  20   let inspector = null;
  21
  22   addAsyncTest(async function setup() {
  23     info("Setting up inspector and walker actors.");
  24
  25     const url = document.getElementById("inspectorContent").href;
  26
  27     const { target, doc } = await attachURL(url);
  28     inspector = await target.getFront("inspector");
  29     win = doc.defaultView;
  30     runNextTest();
  31   });
  32
  33   addAsyncTest(async function() {
  34     const walker = inspector.walker;
  35
  36     // We can't receive events from the walker if we haven't first executed a
  37     // method on the actor to initialize it.
  38     await walker.querySelector(walker.rootNode, "img");
  39
  40     const {outerWidth, outerHeight} = win;
  41     // eslint-disable-next-line new-cap
  42     const onResize = new Promise(resolve => {
  43       walker.once("resize", () => {
  44         resolve();
  45       });
  46     });
  47     win.resizeTo(800, 600);
  48     await onResize;
  49
  50     ok(true, "The resize event was emitted");
  51     win.resizeTo(outerWidth, outerHeight);
  52
  53     runNextTest();
  54   });
  55
  56   runNextTest();
  57 };
  58   </script>
  59 </head>
  60 <body>
  61 <a id="inspectorContent" target="_blank" href="inspector-search-data.html">Test Document</a>
  62 <p id="display"></p>
  63 <div id="content" style="display: none">
  64
  65 </div>
  66 <pre id="test">
  67 </pre>
  68 </body>
  69 </html>