1 files changed, 24 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_helper_clear.js b/devtools/client/webconsole/test/browser/browser_jsterm_helper_clear.js
new file mode 100644
index 0000000000..70c52f3848
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_jsterm_helper_clear.js
@@ -0,0 +1,24 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI =
+  "data:text/html,<!DOCTYPE html>Test <code>clear()</code> jsterm helper";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+
+  const onMessage = waitForMessageByType(hud, "message", ".console-api");
+  SpecialPowers.spawn(gBrowser.selectedBrowser, [], function () {
+    content.wrappedJSObject.console.log("message");
+  });
+  await onMessage;
+
+  const onCleared = waitFor(
+    () => hud.ui.outputNode.querySelector(".message") === null
+  );
+  execute(hud, "clear()");
+  await onCleared;
+  ok(true, "Console was cleared");
+});