browser_dbg-watchpoints.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/>. */

// - Tests adding a watchpoint

// - Tests removing a watchpoint

// - Tests adding a watchpoint, resuming to after the youngest frame has popped,

// then removing and adding a watchpoint during the same pause

"use strict";

add_task(async function () {

  const dbg = await initDebugger("doc-sources.html");

  // Do not await for navigation as an early breakpoint pauses the document load

  const onNavigated = navigateTo(`${EXAMPLE_URL}doc-watchpoints.html`);

  await waitForSources(dbg, "doc-watchpoints.html");

  await selectSource(dbg, "doc-watchpoints.html");

  await waitForPaused(dbg);

  const sourceId = findSource(dbg, "doc-watchpoints.html").id;

  info("Add a get watchpoint at b");

  await toggleScopeNode(dbg, 3);

  const addedWatchpoint = waitForDispatch(dbg.store, "SET_WATCHPOINT");

  await rightClickScopeNode(dbg, 5);

  let popup = await waitForContextMenu(dbg);

  let submenu = await openContextMenuSubmenu(dbg, selectors.watchpointsSubmenu);

  const getWatchpointItem = document.querySelector(selectors.addGetWatchpoint);

  submenu.activateItem(getWatchpointItem);

  await addedWatchpoint;

  popup.hidePopup();

  await resume(dbg);

  await waitForPaused(dbg);

  await waitForState(dbg, () => dbg.selectors.getSelectedInlinePreviews());

  assertPausedAtSourceAndLine(dbg, sourceId, 17);

  is(await getScopeNodeValue(dbg, 5), "3");

  const whyPaused = await waitFor(

    () => dbg.win.document.querySelector(".why-paused")?.innerText

);

  is(whyPaused, `Paused on property get\nobj.b`);

  info("Resume and wait to pause at the access to b in the first `obj.b;`");

  await resume(dbg);

  await waitForPaused(dbg);

  await assertPausedAtSourceAndLine(dbg, sourceId, 19);

  info("Remove the get watchpoint on b");

  const removedWatchpoint1 = waitForDispatch(dbg.store, "REMOVE_WATCHPOINT");

  const el1 = await waitForElementWithSelector(dbg, ".remove-watchpoint-get");

  el1.scrollIntoView();

  clickElementWithSelector(dbg, ".remove-watchpoint-get");

  await removedWatchpoint1;

  info(

    "Resume and wait to skip the second `obj.b` and pause on the debugger statement"

);

  await resume(dbg);

  await waitForPaused(dbg);

  await assertPausedAtSourceAndLine(dbg, sourceId, 21);

  info("Resume and pause on the debugger statement in getB");

  await resume(dbg);

  await waitForPaused(dbg);

  await assertPausedAtSourceAndLine(dbg, sourceId, 5);

  info("Add a get watchpoint to b");

  await toggleScopeNode(dbg, 4);

  const addedWatchpoint2 = waitForDispatch(dbg.store, "SET_WATCHPOINT");

  await rightClickScopeNode(dbg, 6);

  popup = await waitForContextMenu(dbg);

  submenu = await openContextMenuSubmenu(dbg, selectors.watchpointsSubmenu);

  const getWatchpointItem2 = document.querySelector(selectors.addGetWatchpoint);

  submenu.activateItem(getWatchpointItem2);

  await addedWatchpoint2;

  popup.hidePopup();

  info("Resume and wait to pause at the access to b in getB");

  await resume(dbg);

  await waitForPaused(dbg);

  await assertPausedAtSourceAndLine(dbg, sourceId, 6);

  info("Resume and pause on the debugger statement");

  await waitForRequestsToSettle(dbg);

  await resume(dbg);

  await waitForPaused(dbg);

  await assertPausedAtSourceAndLine(dbg, sourceId, 24);

  info("Remove the get watchpoint on b");

  const removedWatchpoint2 = waitForDispatch(dbg.store, "REMOVE_WATCHPOINT");

  await toggleScopeNode(dbg, 3);

  const el2 = await waitForElementWithSelector(dbg, ".remove-watchpoint-get");

  el2.scrollIntoView();

  clickElementWithSelector(dbg, ".remove-watchpoint-get");

  await removedWatchpoint2;

  info("Add back the get watchpoint on b");

  const addedWatchpoint3 = waitForDispatch(dbg.store, "SET_WATCHPOINT");

  await rightClickScopeNode(dbg, 5);

  popup = await waitForContextMenu(dbg);

  submenu = await openContextMenuSubmenu(dbg, selectors.watchpointsSubmenu);

  const getWatchpointItem3 = document.querySelector(selectors.addGetWatchpoint);

  submenu.activateItem(getWatchpointItem3);

  await addedWatchpoint3;

  popup.hidePopup();

  info("Resume and wait to pause on the final `obj.b;`");

  await resume(dbg);

  await waitForPaused(dbg);

  await assertPausedAtSourceAndLine(dbg, sourceId, 25);

  info("Do a last resume to finalize the document load");

  await resume(dbg);

  await onNavigated;

  await waitForRequestsToSettle(dbg);

});