1 files changed, 54 insertions, 0 deletions
diff --git a/devtools/client/animationinspector/test/browser_animation_target_highlighter_lock.js b/devtools/client/animationinspector/test/browser_animation_target_highlighter_lock.js
new file mode 100644
index 000000000..b5e952679
--- /dev/null
+++ b/devtools/client/animationinspector/test/browser_animation_target_highlighter_lock.js
@@ -0,0 +1,54 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+requestLongerTimeout(2);
+
+// Test that the DOM element targets displayed in animation player widgets can
+// be used to highlight elements in the DOM and select them in the inspector.
+
+add_task(function* () {
+  yield addTab(URL_ROOT + "doc_simple_animation.html");
+  let {panel} = yield openAnimationInspector();
+
+  let targets = panel.animationsTimelineComponent.targetNodes;
+
+  info("Click on the highlighter icon for the first animated node");
+  let domNodePreview1 = targets[0].previewer;
+  yield lockHighlighterOn(domNodePreview1);
+  ok(domNodePreview1.highlightNodeEl.classList.contains("selected"),
+     "The highlighter icon is selected");
+
+  info("Click on the highlighter icon for the second animated node");
+  let domNodePreview2 = targets[1].previewer;
+  yield lockHighlighterOn(domNodePreview2);
+  ok(domNodePreview2.highlightNodeEl.classList.contains("selected"),
+     "The highlighter icon is selected");
+  ok(!domNodePreview1.highlightNodeEl.classList.contains("selected"),
+     "The highlighter icon for the first node is unselected");
+
+  info("Click again to unhighlight");
+  yield unlockHighlighterOn(domNodePreview2);
+  ok(!domNodePreview2.highlightNodeEl.classList.contains("selected"),
+     "The highlighter icon for the second node is unselected");
+});
+
+function* lockHighlighterOn(domNodePreview) {
+  let onLocked = domNodePreview.once("target-highlighter-locked");
+  clickOnHighlighterIcon(domNodePreview);
+  yield onLocked;
+}
+
+function* unlockHighlighterOn(domNodePreview) {
+  let onUnlocked = domNodePreview.once("target-highlighter-unlocked");
+  clickOnHighlighterIcon(domNodePreview);
+  yield onUnlocked;
+}
+
+function clickOnHighlighterIcon(domNodePreview) {
+  let lockEl = domNodePreview.highlightNodeEl;
+  EventUtils.sendMouseEvent({type: "click"}, lockEl,
+                            lockEl.ownerDocument.defaultView);
+}