1 files changed, 90 insertions, 0 deletions
diff --git a/devtools/server/tests/chrome/test_inspector-reload.html b/devtools/server/tests/chrome/test_inspector-reload.html
new file mode 100644
index 0000000000..09bd31cf75
--- /dev/null
+++ b/devtools/server/tests/chrome/test_inspector-reload.html
@@ -0,0 +1,90 @@
+<!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";
+
+window.onload = function() {
+  SimpleTest.waitForExplicitFinish();
+  runNextTest();
+};
+
+let gInspectee = null;
+let gWalker = null;
+let gResourceCommand = null;
+let gCommands = null;
+
+addTest(async function setup() {
+  const url = document.getElementById("inspectorContent").href;
+  const { commands, doc } = await attachURL(url);
+  const target = commands.targetCommand.targetFront;
+  const inspector = await target.getFront("inspector");
+  gInspectee = doc;
+  const walker = inspector.walker;
+  gWalker = await inspector.getWalker();
+  gResourceCommand = commands.resourceCommand;
+  gCommands = commands;
+
+  ok(walker === gWalker, "getWalker() twice should return the same walker.");
+  runNextTest();
+});
+
+addTest(async function testReload() {
+  const oldRootID = gWalker.rootNode.actorID;
+
+  info("Start watching for root nodes and wait for the initial root node");
+  let rootNodeResolve;
+  let rootNodePromise = new Promise(r => (rootNodeResolve = r));
+  const onAvailable = rootNodeFront => rootNodeResolve(rootNodeFront);
+  await gResourceCommand.watchResources([gResourceCommand.TYPES.ROOT_NODE], {
+    onAvailable,
+  });
+  await rootNodePromise;
+
+  info("Retrieve the node front for the selector `#a`");
+  const nodeFront = await gWalker.querySelector(gWalker.rootNode, "#a");
+  ok(nodeFront.actorID, "Node front has a valid actor ID");
+
+  info("Reload the page and wait for the newRoot mutation");
+  rootNodePromise = new Promise(r => (rootNodeResolve = r));
+
+  gInspectee.defaultView.location.reload();
+  await rootNodePromise;
+  gWalker = (await gCommands.targetCommand.targetFront.getFront("inspector")).walker;
+
+  info("Retrieve the (new) node front for the selector `#a`");
+  const newNodeFront = await gWalker.querySelector(gWalker.rootNode, "#a");
+  ok(newNodeFront.actorID, "Got a new actor ID");
+  ok(gWalker.rootNode.actorID != oldRootID, "Root node should have changed.");
+
+  runNextTest();
+});
+
+addTest(function cleanup() {
+  gWalker = null;
+  gInspectee = null;
+  gResourceCommand = null;
+  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-traversal-data.html">Test Document</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>