test_stepping-09.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

/**

 * Check that step out stops at the end of the parent if it fails to stop

 * anywhere else. Bug 1504358.

*/

add_task(

  threadFrontTest(async ({ threadFront, debuggee }) => {

    dumpn("Evaluating test code and waiting for first debugger statement");

    const dbgStmt = await executeOnNextTickAndWaitForPause(

      () => evaluateTestCode(debuggee),

      threadFront

);

    equal(

      dbgStmt.frame.where.line,

2,

      "Should be at debugger statement on line 2"

);

    dumpn("Step out of inner and into outer");

    const step2 = await stepOut(threadFront);

    // The bug was that we'd step right past the end of the function and never pause.

    equal(step2.frame.where.line, 2);

    equal(step2.frame.where.column, 31);

    deepEqual(step2.why.frameFinished.return, { type: "undefined" });

})

);

function evaluateTestCode(debuggee) {

  // By placing the inner and outer on the same line, this triggers the server's

  // logic to skip steps for these functions, meaning that onPop is the only

  // thing that will cause it to pop.

  Cu.evalInSandbox(

    function outer(){ inner(); return 42; } function inner(){ debugger; }

    outer();

`,

    debuggee,

    "1.8",

    "test_stepping-09-test-code.js",

);