browser_dbg-features-breakpoints.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/>. */

"use strict";

/**

 * Assert that breakpoints and stepping works in various conditions

*/

const testServer = createVersionizedHttpTestServer(

  "examples/sourcemaps-reload-uncompressed"

);

const TEST_URL = testServer.urlFor("index.html");

add_task(

  async function testSteppingFromOriginalToGeneratedAndAnotherOriginal() {

    const dbg = await initDebuggerWithAbsoluteURL(

      TEST_URL,

      "index.html",

      "script.js",

      "original.js"

);

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

    await addBreakpoint(dbg, "original.js", 8);

    assertBreakpointSnippet(dbg, 1, "await nonSourceMappedFunction();");

    info("Test pausing on an original source");

    invokeInTab("foo");

    await waitForPausedInOriginalFileAndToggleMapScopes(dbg, "original.js");

    assertPausedAtSourceAndLine(dbg, findSource(dbg, "original.js").id, 8);

    info("Then stepping into a generated source");

    await stepIn(dbg);

    assertPausedAtSourceAndLine(dbg, findSource(dbg, "script.js").id, 5);

    info("Stepping another time within the same generated source");

    await stepIn(dbg);

    assertPausedAtSourceAndLine(dbg, findSource(dbg, "script.js").id, 7);

    info("And finally stepping into another original source");

    await stepIn(dbg);

    assertPausedAtSourceAndLine(

      dbg,

      findSource(dbg, "removed-original.js").id,

);

    info("Walk up the stack backward, until we resume execution");

    await stepIn(dbg);

    assertPausedAtSourceAndLine(

      dbg,

      findSource(dbg, "removed-original.js").id,

);

    await stepIn(dbg);

    assertPausedAtSourceAndLine(dbg, findSource(dbg, "script.js").id, 8);

    await stepIn(dbg);

    assertPausedAtSourceAndLine(dbg, findSource(dbg, "original.js").id, 9);

    await stepIn(dbg);

    assertPausedAtSourceAndLine(dbg, findSource(dbg, "original.js").id, 10);

    // We can't use the `stepIn` helper as this last step will resume

    // and the helper is expecting to pause again

    await dbg.actions.stepIn();

    await assertNotPaused(dbg);

);