browser_source_map-cross-domain.js

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/* Any copyright is dedicated to the Public Domain.

 http://creativecommons.org/publicdomain/zero/1.0/ */

// Test that the source map service can fetch a source map from a

// different domain.

"use strict";

const JS_URL = URL_ROOT + "code_bundle_cross_domain.js";

const PAGE_URL = `data:text/html,

<!doctype html>

<html>

  <head>

    <meta charset="utf-8"/>

    <title>Empty test page to test cross domain source map</title>

  </head>

  <body>

    <script src="${JS_URL}"></script>

  </body>

</html>`;

const ORIGINAL_URL = "webpack:///code_cross_domain.js";

const GENERATED_LINE = 82;

const ORIGINAL_LINE = 12;

add_task(async function () {

  const toolbox = await openNewTabAndToolbox(PAGE_URL, "webconsole");

  const service = toolbox.sourceMapURLService;

  info(`checking original location for ${JS_URL}:${GENERATED_LINE}`);

  const newLoc = await new Promise(r =>

    service.subscribeByURL(JS_URL, GENERATED_LINE, undefined, r)

);

  is(newLoc.url, ORIGINAL_URL, "check mapped URL");

  is(newLoc.line, ORIGINAL_LINE, "check mapped line number");

});