Quelle test_breakpoint-12.js Sprache: JAVA

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */
/* eslint-disable no-shadow, max-nested-callbacks */

"use strict";

/**
* Make sure that setting a breakpoint twice in a line without bytecodes works
* as expected.
*/

const NUM_BREAKPOINTS = 10;
var gBpActor;
var gCount;

add_task(
  threadFrontTest(({ threadFront, debuggee }) => {
    return new Promise(resolve => {
      threadFront.once("paused", async function (packet) {
        const source = await getSourceById(
          threadFront,
          packet.frame.where.actor
        );
        const location = { line: debuggee.line0 + 3 };

        source.setBreakpoint(location).then(function ([response]) {
          // Check that the breakpoint has properly skipped forward one line.
          Assert.equal(response.actualLocation.source.actor, source.actor);
          Assert.equal(response.actualLocation.line, location.line + 1);
          gBpActor = response.actor;

          // Set more breakpoints at the same location.
          set_breakpoints(source, location);
        });
      });

      /* eslint-disable no-multi-spaces */
      Cu.evalInSandbox(
        "var line0 = Error().lineNumber;\n" +
          "function foo() {\n" + // line0 + 1
          " this.a = 1;\n" + // line0 + 2
          " // A comment.\n" + // line0 + 3
          " this.b = 2;\n" + // line0 + 4
          "}\n" + // line0 + 5
          "debugger;\n" + // line0 + 6
          "foo();\n", // line0 + 7
        debuggee
      );
      /* eslint-enable no-multi-spaces */

      // Set many breakpoints at the same location.
      function set_breakpoints(source, location) {
        Assert.notEqual(gCount, NUM_BREAKPOINTS);
        source.setBreakpoint(location).then(function ([response, bpClient]) {
          // Check that the breakpoint has properly skipped forward one line.
          Assert.equal(response.actualLocation.source.actor, source.actor);
          Assert.equal(response.actualLocation.line, location.line + 1);
          // Check that the same breakpoint actor was returned.
          Assert.equal(response.actor, gBpActor);

          if (++gCount < NUM_BREAKPOINTS) {
            set_breakpoints(source, location);
            return;
          }

          // After setting all the breakpoints, check that only one has effectively
          // remained.
          threadFront.once("paused", function (packet) {
            // Check the return value.
            Assert.equal(packet.frame.where.actor, source.actor);
            Assert.equal(packet.frame.where.line, location.line + 1);
            Assert.equal(packet.why.type, "breakpoint");
            Assert.equal(packet.why.actors[0], bpClient.actor);
            // Check that the breakpoint worked.
            Assert.equal(debuggee.a, 1);
            Assert.equal(debuggee.b, undefined);

            threadFront.once("paused", function () {
              // We don't expect any more pauses after the breakpoint was hit once.
              Assert.ok(false);
            });
            threadFront.resume().then(function () {
              // Give any remaining breakpoints a chance to trigger.
              do_timeout(1000, resolve);
            });
          });
          // Continue until the breakpoint is hit.
          threadFront.resume();
        });
      }
    });
  })
);

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