1 files changed, 64 insertions, 0 deletions
diff --git a/devtools/client/inspector/test/browser_inspector_highlighter-keybinding_02.js b/devtools/client/inspector/test/browser_inspector_highlighter-keybinding_02.js
new file mode 100644
index 000000000..96d5449f9
--- /dev/null
+++ b/devtools/client/inspector/test/browser_inspector_highlighter-keybinding_02.js
@@ -0,0 +1,64 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Test that the keybindings for Picker work alright
+
+const TEST_URL = URL_ROOT + "doc_inspector_highlighter_dom.html";
+
+add_task(function* () {
+  let {inspector, toolbox, testActor} = yield openInspectorForURL(TEST_URL);
+
+  yield startPicker(toolbox);
+
+  // Previously chosen child memory
+  info("Testing whether previously chosen child is remembered");
+
+  info("Selecting the ahoy paragraph DIV");
+  yield moveMouseOver("#ahoy");
+
+  yield doKeyHover({key: "VK_LEFT", options: {}});
+  ok((yield testActor.assertHighlightedNode("#simple-div2")),
+     "The highlighter shows #simple-div2. OK.");
+
+  yield doKeyHover({key: "VK_RIGHT", options: {}});
+  ok((yield testActor.assertHighlightedNode("#ahoy")),
+     "The highlighter shows #ahoy. OK.");
+
+  info("Going back up to the complex-div DIV");
+  yield doKeyHover({key: "VK_LEFT", options: {}});
+  yield doKeyHover({key: "VK_LEFT", options: {}});
+  ok((yield testActor.assertHighlightedNode("#complex-div")),
+     "The highlighter shows #complex-div. OK.");
+
+  yield doKeyHover({key: "VK_RIGHT", options: {}});
+  ok((yield testActor.assertHighlightedNode("#simple-div2")),
+     "The highlighter shows #simple-div2. OK.");
+
+  info("Previously chosen child is remembered. Passed.");
+
+  info("Stopping the picker");
+  yield toolbox.highlighterUtils.stopPicker();
+
+  function doKeyHover(args) {
+    info("Key pressed. Waiting for element to be highlighted/hovered");
+    let onHighlighterReady = toolbox.once("highlighter-ready");
+    let onPickerNodeHovered = inspector.toolbox.once("picker-node-hovered");
+    testActor.synthesizeKey(args);
+    return promise.all([onHighlighterReady, onPickerNodeHovered]);
+  }
+
+  function moveMouseOver(selector) {
+    info("Waiting for element " + selector + " to be highlighted");
+    let onHighlighterReady = toolbox.once("highlighter-ready");
+    let onPickerNodeHovered = inspector.toolbox.once("picker-node-hovered");
+    testActor.synthesizeMouse({
+      options: {type: "mousemove"},
+      center: true,
+      selector: selector
+    });
+    return promise.all([onHighlighterReady, onPickerNodeHovered]);
+  }
+});