1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_webconsole_closing_after_completion.js b/devtools/client/webconsole/test/browser/browser_webconsole_closing_after_completion.js
new file mode 100644
index 0000000000..58f9a1755b
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_webconsole_closing_after_completion.js
@@ -0,0 +1,40 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests to ensure that errors don't appear when the console is closed while a
+// completion is being performed. See Bug 580001.
+
+"use strict";
+
+const TEST_URI =
+  "http://example.com/browser/devtools/client/webconsole/" +
+  "test/browser/test-console.html";
+
+add_task(async function () {
+  const tab = await addTab(TEST_URI);
+  const browser = tab.linkedBrowser;
+  const hud = await openConsole();
+
+  // Fire a completion.
+  await setInputValueForAutocompletion(hud, "doc");
+
+  let errorWhileClosing = false;
+  function errorListener() {
+    errorWhileClosing = true;
+  }
+
+  browser.addEventListener("error", errorListener);
+  const onToolboxDestroyed = gDevTools.once("toolbox-destroyed");
+
+  // Focus the jsterm and perform the keycombo to close the WebConsole.
+  hud.jsterm.focus();
+  EventUtils.synthesizeKey("i", {
+    accelKey: true,
+    [Services.appinfo.OS == "Darwin" ? "altKey" : "shiftKey"]: true,
+  });
+
+  await onToolboxDestroyed;
+
+  browser.removeEventListener("error", errorListener);
+  is(errorWhileClosing, false, "no error while closing the WebConsole");
+});