1 files changed, 119 insertions, 0 deletions
diff --git a/devtools/server/tests/mochitest/test_inspector-insert.html b/devtools/server/tests/mochitest/test_inspector-insert.html
new file mode 100644
index 000000000..82b4fef3e
--- /dev/null
+++ b/devtools/server/tests/mochitest/test_inspector-insert.html
@@ -0,0 +1,119 @@
+<!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");
+
+window.onload = function() {
+  SimpleTest.waitForExplicitFinish();
+  runNextTest();
+}
+
+var gWalker = null;
+var gClient = null;
+
+function assertOwnership() {
+  return assertOwnershipTrees(gWalker);
+}
+
+addTest(function setup() {
+  let url = document.getElementById("inspectorContent").href;
+  attachURL(url, function(err, client, tab, doc) {
+    gInspectee = doc;
+    let {InspectorFront} = require("devtools/shared/fronts/inspector");
+    let inspector = InspectorFront(client, tab);
+    promiseDone(inspector.getWalker().then(walker => {
+      ok(walker, "getWalker() should return an actor.");
+      gClient = client;
+      gWalker = walker;
+    }).then(runNextTest));
+  });
+});
+
+addAsyncTest(function* testRearrange() {
+  let longlist = yield gWalker.querySelector(gWalker.rootNode, "#longlist");
+  let children = yield gWalker.children(longlist);
+  let nodeA = children.nodes[0];
+  is(nodeA.id, "a", "Got the expected node.");
+
+  // Move nodeA to the end of the list.
+  yield gWalker.insertBefore(nodeA, longlist, null);
+  ok(!gInspectee.querySelector("#a").nextSibling, "a should now be at the end of the list.");
+  children = yield gWalker.children(longlist);
+  is(nodeA, children.nodes[children.nodes.length - 1], "a should now be the last returned child.");
+
+  // Now move it to the middle of the list.
+  let nextNode = children.nodes[13];
+  yield gWalker.insertBefore(nodeA, longlist, nextNode);
+  let sibling =
+    new inspector._documentWalker(gInspectee.querySelector("#a"), window).nextSibling();
+  is(sibling, nextNode.rawNode(), "Node should match the expected next node.");
+  children = yield gWalker.children(longlist);
+  is(nodeA, children.nodes[13], "a should be where we expect it.");
+  is(nextNode, children.nodes[14], "next node should be where we expect it.");
+
+  runNextTest();
+});
+
+addAsyncTest(function* testInsertInvalidInput() {
+  let longlist = yield gWalker.querySelector(gWalker.rootNode, "#longlist");
+  let children = yield gWalker.children(longlist);
+  let nodeA = children.nodes[0];
+  let nextSibling = children.nodes[1];
+
+  // Now move it to the original location and make sure no mutation happens.
+  let hasMutated = false;
+  let observer = new gInspectee.defaultView.MutationObserver(() => {
+    hasMutated = true;
+  });
+  observer.observe(longlist.rawNode(), {
+    childList: true,
+  });
+
+  yield gWalker.insertBefore(nodeA, longlist, nodeA);
+  ok(!hasMutated, "hasn't mutated");
+  hasMutated = false;
+
+  yield gWalker.insertBefore(nodeA, longlist, nextSibling);
+  ok(!hasMutated, "still hasn't mutated after inserting before nextSibling");
+  hasMutated = false;
+
+  yield gWalker.insertBefore(nodeA, longlist);
+  ok(hasMutated, "has mutated after inserting with null sibling");
+  hasMutated = false;
+
+  yield gWalker.insertBefore(nodeA, longlist);
+  ok(!hasMutated, "hasn't mutated after inserting with null sibling again");
+
+  observer.disconnect();
+  runNextTest();
+});
+
+addTest(function cleanup() {
+  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-traversal-data.html">Test Document</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>