test_breakpoint-10.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

/**

 * Check that setting a breakpoint in a line with multiple entry points

 * triggers no matter which entry point we reach.

*/

add_task(

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

    const packet = await executeOnNextTickAndWaitForPause(

      () => evaluateTestCode(debuggee),

      threadFront

);

    const source = await getSourceById(threadFront, packet.frame.where.actor);

    const location = {

      sourceUrl: source.url,

      line: debuggee.line0 + 3,

      column: 5,

};

    //Pause at debugger statement.

    Assert.equal(packet.frame.where.line, debuggee.line0 + 1);

    Assert.equal(packet.why.type, "debuggerStatement");

    threadFront.setBreakpoint(location, {});

    await client.waitForRequestsToSettle();

    await resume(threadFront);

    const packet2 = await waitForPause(threadFront);

    // Check the return value.

    Assert.equal(packet2.why.type, "breakpoint");

    // Check that the breakpoint worked.

    Assert.equal(debuggee.i, 0);

    // Check pause location

    Assert.equal(packet2.frame.where.line, debuggee.line0 + 3);

    Assert.equal(packet2.frame.where.column, 5);

    // Remove the breakpoint.

    threadFront.removeBreakpoint(location);

    await client.waitForRequestsToSettle();

    const location2 = {

      sourceUrl: source.url,

      line: debuggee.line0 + 3,

      column: 12,

};

    threadFront.setBreakpoint(location2, {});

    await client.waitForRequestsToSettle();

    await resume(threadFront);

    const packet3 = await waitForPause(threadFront);

    // Check the return value.

    Assert.equal(packet3.why.type, "breakpoint");

    // Check that the breakpoint worked.

    Assert.equal(debuggee.i, 1);

    // Check execution location

    Assert.equal(packet3.frame.where.line, debuggee.line0 + 3);

    Assert.equal(packet3.frame.where.column, 12);

    // Remove the breakpoint.

    threadFront.removeBreakpoint(location2);

    await client.waitForRequestsToSettle();

    await resume(threadFront);

})

);

function evaluateTestCode(debuggee) {

  // prettier-ignore

  Cu.evalInSandbox("var line0 = Error().lineNumber;\n" +

                   "debugger;\n" +                      // line0 + 1

                   "var a, i = 0;\n" +                  // line0 + 2

                   "for (i = 1; i <= 2; i++) {\n" +     // line0 + 3

                   "  a = i;\n" +                       // line0 + 4

                   "}\n",                               // line0 + 5

                   debuggee);