node/test/sequential/test-debugger-backtrace.js

'use strict';
const common = require('../common');

common.skipIfInspectorDisabled();

const fixtures = require('../common/fixtures');
const startCLI = require('../common/debugger');

const assert = require('assert');
const path = require('path');

// Display and navigate backtrace.
{
  const scriptFullPath = fixtures.path('inspector-cli', 'backtrace.js');
  const script = path.relative(process.cwd(), scriptFullPath);
  const cli = startCLI([script]);

  function onFatal(error) {
    cli.quit();
    throw error;
  }

  return cli.waitForInitialBreak()
    .then(() => cli.waitForPrompt())
    .then(() => cli.stepCommand('c'))
    .then(() => cli.command('bt'))
    .then(() => {
      assert.ok(cli.output.includes(`#0 topFn ${script}:7:2`));
    })
    .then(() => cli.command('backtrace'))
    .then(() => {
      assert.ok(cli.output.includes(`#0 topFn ${script}:7:2`));
    })
    .then(() => cli.quit())
    .then(null, onFatal);
}