'use strict';
const common = require('../common');
common.skipIfInspectorDisabled();
const assert = require('assert');
const { NodeInstance } = require('../common/inspector-helper.js');

async function testNoServerNoCrash() {
  console.log('Test there\'s no crash stopping server that was not started');
  const instance = new NodeInstance([],
                                    `process._debugEnd();
                                     process.exit(42);`);
  assert.strictEqual((await instance.expectShutdown()).exitCode, 42);
}

async function testNoSessionNoCrash() {
  console.log('Test there\'s no crash stopping server without connecting');
  const instance = new NodeInstance('--inspect=0',
                                    'process._debugEnd();process.exit(42);');
  assert.strictEqual((await instance.expectShutdown()).exitCode, 42);
}

async function testSessionNoCrash() {
  console.log('Test there\'s no crash stopping server after connecting');
  const script = `process._debugEnd();
                  process.stdin.once('data', () => {
                    console.log("Done");
                    process.exit(42);
                  });
                  process._debugProcess(process.pid);`;

  const instance = new NodeInstance('--inspect-brk=0', script);
  const session = await instance.connectInspectorSession();
  await session.send({ method: 'NodeRuntime.enable' });
  await session.waitForNotification('NodeRuntime.waitingForDebugger');
  instance.resetPort();
  await session.send({ 'method': 'Runtime.runIfWaitingForDebugger' });
  await session.waitForServerDisconnect();
  // _debugProcess() starts the inspector asynchronously. Wait for the new
  // server to listen before asking the child to exit.
  await instance.portPromise;
  instance.write('exit');
  assert.strictEqual((await instance.expectShutdown()).exitCode, 42);
}

async function runTest() {
  await testNoServerNoCrash();
  await testNoSessionNoCrash();
  await testSessionNoCrash();
}

runTest().then(common.mustCall());