1 files changed, 41 insertions, 0 deletions
diff --git a/devtools/client/inspector/test/browser_inspector_highlighter-eyedropper-show-hide.js b/devtools/client/inspector/test/browser_inspector_highlighter-eyedropper-show-hide.js
new file mode 100644
index 0000000000..7ccc87bf88
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+++ b/devtools/client/inspector/test/browser_inspector_highlighter-eyedropper-show-hide.js
@@ -0,0 +1,41 @@
+/* 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 the basic structure of the eye-dropper highlighter.
+
+add_task(async function () {
+  const { inspector, highlighterTestFront } = await openInspectorForURL(
+    "data:text/html;charset=utf-8,eye-dropper test"
+  );
+
+  info("Checking that the eyedropper is hidden by default");
+  const eyeDropperVisible = await highlighterTestFront.isEyeDropperVisible();
+  is(eyeDropperVisible, false, "The eyedropper is hidden by default");
+
+  const toggleButton = inspector.panelDoc.querySelector(
+    "#inspector-eyedropper-toggle"
+  );
+
+  info("Display the eyedropper by clicking on the inspector toolbar button");
+  toggleButton.click();
+  await TestUtils.waitForCondition(() =>
+    highlighterTestFront.isEyeDropperVisible()
+  );
+  ok(true, "Eye dropper is visible after clicking the button in the inspector");
+
+  const style = await highlighterTestFront.getEyeDropperElementAttribute(
+    "root",
+    "style"
+  );
+  is(style, "top:100px;left:100px;", "The eyedropper is correctly positioned");
+
+  info("Hide the eyedropper by clicking on the inspector toolbar button again");
+  toggleButton.click();
+  await TestUtils.waitForCondition(async () => {
+    const visible = await highlighterTestFront.isEyeDropperVisible();
+    return !visible;
+  });
+  ok(true, "Eye dropper is not visible anymore");
+});