devtools/client/webconsole/test/browser/browser_webconsole_non_javascript_mime_warning.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

// Tests that <script> loads with non-JavaScript MIME types produce a warning.
// See Bug 1510223.

"use strict";

const TEST_URI =
  "https://example.com/browser/devtools/client/webconsole/" +
  "test/browser/" +
  "test-non-javascript-mime.html";
const MIME_WARNING_MSG =
  "The script from “https://example.com/browser/devtools/client/webconsole/test/browser/test-non-javascript-mime.js” was loaded even though its MIME type (“text/plain”) is not a valid JavaScript MIME type";

add_task(async function () {
  const hud = await openNewTabAndConsole(TEST_URI);
  await waitFor(() => findWarningMessage(hud, MIME_WARNING_MSG), "", 100);
  ok(true, "MIME type warning displayed");
});