browser_dbg-expressions-thread.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */

/**

 * Test the watch expressions update when selecting a different thread in the thread panel.

*/

"use strict";

const TEST_COM_URI = `${URL_ROOT_COM_SSL}examples/doc_dbg-fission-frame-sources.html`;

const TEST_ORG_IFRAME_URI = `${URL_ROOT_ORG_SSL}examples/doc_dbg-fission-frame-sources-frame.html`;

const DATA_URI = "data:text/html,<title>foo</title>";

add_task(async function () {

  // Make sure that the thread section is expanded

  await pushPref("devtools.debugger.threads-visible", true);

  // Load a test page with a remote frame and wait for both sources to be visible.

  // simple1.js is imported by the main page. simple2.js comes from the frame.

  const dbg = await initDebuggerWithAbsoluteURL(

    TEST_COM_URI,

    "simple1.js",

    "simple2.js"

);

  const threadsPaneEl = await waitForElementWithSelector(

    dbg,

    ".threads-pane .header-label"

);

  await waitForElement(dbg, "threadsPaneItems");

  const threadsEl = findAllElements(dbg, "threadsPaneItems");

  is(threadsEl.length, 2, "There are two threads in the thread panel");

  const [mainThreadEl, remoteThreadEl] = threadsEl;

is(

    mainThreadEl.textContent,

    "Main Thread",

    "first thread displayed is the main thread"

);

is(

    remoteThreadEl.textContent,

    "Test remote frame sources",

    "second thread displayed is the remote thread"

);

  await addExpression(dbg, "document.location.href");

is(

    getWatchExpressionValue(dbg, 1),

    JSON.stringify(TEST_COM_URI),

    "expression is evaluated on the expected thread"

);

  info(

    "Select the remote frame thread and check that the expression is updated"

);

  let onExpressionsEvaluated = waitForDispatch(

    dbg.store,

    "EVALUATE_EXPRESSIONS"

);

  remoteThreadEl.click();

  await onExpressionsEvaluated;

is(

    getWatchExpressionValue(dbg, 1),

    JSON.stringify(TEST_ORG_IFRAME_URI),

    "expression is evaluated on the remote origin thread"

);

  info("Select the main thread again and check that the expression is updated");

  onExpressionsEvaluated = waitForDispatch(dbg.store, "EVALUATE_EXPRESSIONS");

  mainThreadEl.click();

  await onExpressionsEvaluated;

is(

    getWatchExpressionValue(dbg, 1),

    JSON.stringify(TEST_COM_URI),

    "expression is evaluated on the main thread again"

);

  // close the threads pane so following test don't have it open

  threadsPaneEl.click();

  await navigateToAbsoluteURL(dbg, DATA_URI);

is(

    getWatchExpressionValue(dbg, 1),

    JSON.stringify(DATA_URI),

    "The location.host expression is updated after a navigaiton"

);

  await addExpression(dbg, "document.title");

is(

    getWatchExpressionValue(dbg, 2),

    `"foo"`,

    "We can add expressions after a navigation"

);

});