browser_source_map-01.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

/**

 * Tests the SourceMapService updates generated sources when source maps

 * are subsequently found. Also checks when no column is provided, and

 * when tagging an already source mapped location initially.

*/

// There are shutdown issues for which multiple rejections are left uncaught.

// See bug 1018184 for resolving these issues.

const { PromiseTestUtils } = ChromeUtils.importESModule(

  "resource://testing-common/PromiseTestUtils.sys.mjs"

);

PromiseTestUtils.allowMatchingRejectionsGlobally(/this\.worker is null/);

PromiseTestUtils.allowMatchingRejectionsGlobally(/Component not initialized/);

// Empty page

const PAGE_URL = `${URL_ROOT_SSL}doc_empty-tab-01.html`;

const JS_URL = `${URL_ROOT_SSL}code_binary_search.js`;

const COFFEE_URL = `${URL_ROOT_SSL}code_binary_search.coffee`;

add_task(async function () {

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

  const service = toolbox.sourceMapURLService;

  // Inject JS script

  const sourceSeen = waitForSourceLoad(toolbox, JS_URL);

  await createScript(JS_URL);

  await sourceSeen;

  const loc1 = { url: JS_URL, line: 6 };

  const newLoc1 = await new Promise(r =>

    service.subscribeByURL(loc1.url, loc1.line, 4, r)

);

  checkLoc1(loc1, newLoc1);

  const loc2 = { url: JS_URL, line: 8, column: 3 };

  const newLoc2 = await new Promise(r =>

    service.subscribeByURL(loc2.url, loc2.line, loc2.column, r)

);

  checkLoc2(loc2, newLoc2);

  await toolbox.destroy();

  gBrowser.removeCurrentTab();

  finish();

});

function checkLoc1(oldLoc, newLoc) {

  is(oldLoc.line, 6, "Correct line for JS:6");

  is(oldLoc.column, undefined, "Correct column for JS:6");

  is(oldLoc.url, JS_URL, "Correct url for JS:6");

  is(newLoc.line, 4, "Correct line for JS:6 -> COFFEE");

is(

    newLoc.column,

2,

    "Correct column for JS:6 -> COFFEE -- handles falsy column entries"

);

  is(newLoc.url, COFFEE_URL, "Correct url for JS:6 -> COFFEE");

function checkLoc2(oldLoc, newLoc) {

  is(oldLoc.line, 8, "Correct line for JS:8:3");

  is(oldLoc.column, 3, "Correct column for JS:8:3");

  is(oldLoc.url, JS_URL, "Correct url for JS:8:3");

  is(newLoc.line, 6, "Correct line for JS:8:3 -> COFFEE");

  is(newLoc.column, 10, "Correct column for JS:8:3 -> COFFEE");

  is(newLoc.url, COFFEE_URL, "Correct url for JS:8:3 -> COFFEE");