browser_dbg-editor-select.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 that the editor highlights the correct location when the

// debugger pauses

"use strict";

requestLongerTimeout(2);

add_task(async function () {

  // This test runs too slowly on linux debug. I'd like to figure out

  // which is the slowest part of this and make it run faster, but to

  // fix a frequent failure allow a longer timeout.

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

  info("Set the initial breakpoint.");

  await selectSource(dbg, "simple1.js");

ok(

    !findElementWithSelector(dbg, ".cursor-position"),

    "no position is displayed when selecting a location without an explicit line number"

);

  await selectSource(dbg, "simple1.js", 1, 1);

  assertCursorPosition(

    dbg,

1,

2,

    "when passing an explicit line number, the position is displayed"

);

  assertHighlightLocation(dbg, "simple1.js", 1);

  // Note that CodeMirror is 0-based while the footer displays 1-based

  getCM(dbg).setCursor({ line: 1, ch: 0 });

  await waitForCursorPosition(dbg, 2);

  assertCursorPosition(

    dbg,

2,

1,

    "when moving the cursor, the position footer updates"

);

ok(

    !findElement(dbg, "highlightLine"),

    "Moving the cursor resets the highlighted line"

);

  getCM(dbg).setCursor({ line: 2, ch: 0 });

  await waitForCursorPosition(dbg, 3);

  assertCursorPosition(

    dbg,

3,

1,

    "when moving the cursor a second time, the position footer still updates"

);

  await addBreakpoint(dbg, "simple1.js", 4);

  const breakpointItems = findAllElements(dbg, "breakpointItems");

  breakpointItems[0].click();

  await waitForCursorPosition(dbg, 4);

  assertCursorPosition(

    dbg,

4,

16,

    "when moving the cursor a second time, the position footer still updates"

);

  assertHighlightLocation(dbg, "simple1.js", 4);

  info("Call the function that we set a breakpoint in.");

  invokeInTab("main");

  await waitForPaused(dbg);

  await waitForSelectedSource(dbg, "simple1.js");

  assertPausedAtSourceAndLine(dbg, findSource(dbg, "simple1.js").id, 4);

  assertCursorPosition(dbg, 4, 16, "on pause, the cursor updates");

  info("Step into another file.");

  await stepOver(dbg);

  await stepIn(dbg);

  await waitForSelectedSource(dbg, "simple2.js");

  assertPausedAtSourceAndLine(dbg, findSource(dbg, "simple2.js").id, 3);

  assertCursorPosition(dbg, 3, 5, "on step-in, the cursor updates");

  info("Step out to the initial file.");

  await stepOut(dbg);

  assertPausedAtSourceAndLine(dbg, findSource(dbg, "simple1.js").id, 6);

  assertCursorPosition(dbg, 6, 3, "on step-out, the cursor updates");

  await resume(dbg);

  info("Make sure that the editor scrolls to the paused location.");

  const longSrc = findSource(dbg, "long.js");

  await selectSource(dbg, "long.js");

  await addBreakpoint(dbg, longSrc, 66);

  invokeInTab("testModel");

  await waitForPaused(dbg);

  await waitForSelectedSource(dbg, "long.js");

  assertPausedAtSourceAndLine(dbg, findSource(dbg, "long.js").id, 66);

ok(

    isVisibleInEditor(dbg, findElement(dbg, "breakpoint")),

    "Breakpoint is visible"

);

});