diff -r 000000000000 -r 6474c204b198 browser/devtools/eyedropper/test/browser_eyedropper_cmd.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/eyedropper/test/browser_eyedropper_cmd.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,56 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests that the eyedropper command works
+
+const TESTCASE_URI = TEST_BASE + "color-block.html";
+const DIV_COLOR = "#0000FF";
+
+function test() {
+  return Task.spawn(spawnTest).then(finish, helpers.handleError);
+}
+
+function spawnTest() {
+  let options = yield helpers.openTab(TESTCASE_URI);
+  yield helpers.openToolbar(options);
+
+  yield helpers.audit(options, [
+    {
+      setup: "eyedropper",
+      check: {
+        input: "eyedropper"
+      },
+      exec: { output: "" }
+    },
+  ]);
+
+  yield inspectAndWaitForCopy();
+
+  yield helpers.closeToolbar(options);
+  yield helpers.closeTab(options);
+}
+
+function inspectAndWaitForCopy() {
+  let deferred = promise.defer();
+
+  waitForClipboard(DIV_COLOR, () => {
+    inspectPage(); // setup: inspect the page
+  }, deferred.resolve, deferred.reject);
+
+  return deferred.promise;
+}
+
+function inspectPage() {
+  let target = content.document.getElementById("test");
+  let win = content.window;
+
+  EventUtils.synthesizeMouse(target, 20, 20, { type: "mousemove" }, win);
+
+  let dropper = EyedropperManager.getInstance(window);
+
+  return dropperLoaded(dropper).then(() => {
+    EventUtils.synthesizeMouse(target, 30, 30, { type: "mousemove" }, win);
+
+    EventUtils.synthesizeMouse(target, 30, 30, {}, win);
+  });
+}