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

"use strict";

/**
 * Check that setting a breakpoint in a line without code in a child script
 * will skip forward, in a file with two scripts.
 */

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

        // this test has been disabled for a long time so the functionality doesn't work
        const response = await threadFront.setBreakpoint(
          { sourceUrl: source.url, line },
          {}
        );
        // check that the breakpoint has properly skipped forward one line.
        assert.equal(response.actuallocation.source.actor, source.actor);
        // This is wrong - location is not defined, but the test has been disabled
        // for a long time and currently doesn't work.
        // eslint-disable-next-line no-undef
        Assert.equal(response.actualLocation.line, location.line + 1);

        threadFront.once("paused", function (packet) {
          // Check the return value.
          Assert.equal(packet.frame.where.actor, source.actor);
          // eslint-disable-next-line no-undef
          Assert.equal(packet.frame.where.line, location.line + 1);
          Assert.equal(packet.why.type, "breakpoint");
          Assert.equal(packet.why.actors[0], response.bpClient.actor);
          // Check that the breakpoint worked.
          Assert.equal(debuggee.a, 1);
          Assert.equal(debuggee.b, undefined);

          // Remove the breakpoint.
          response.bpClient.remove(function () {
            threadFront.resume().then(resolve);
          });
        });

        // Continue until the breakpoint is hit.
        threadFront.resume();
      });

      // prettier-ignore
      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
                       debuggee,
                       "1.7",
                       "script1.js");

      // prettier-ignore
      Cu.evalInSandbox("var line1 = Error().lineNumber;\n" +
                       "debugger;\n" +        // line1 + 1
                       "foo();\n",           // line1 + 2
                       debuggee,
                       "1.7",
                       "script2.js");
    });
  })
);
