Checks Debugger.getPossibleBreakpoints
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

function testEval() {
  |C|eval('// comment only');
  |C|eval('// comment only\n');
|R|}

// function without return
function procedure() {
  var a = |_|1;
  var b = |_|2;
|R|}

function testProcedure() {
  |C|procedure();
|R|}

function returnTrue() {
  |_|return true;
|R|}

function testIf() {
  var a;
  if (true) |_|a = true;
  |_|if (!a) {
    |_|a = true;
  } else {
    |_|a = false;
  }
  |_|if (|C|returnTrue()) {
    |_|a = false;
  } else {
    |_|a = true;
  }
|R|}

function emptyFunction() {|R|}

function testEmptyFunction() {
  |C|emptyFunction();
|R|}

function twoArguments(a1, a2) {
|R|}

function testCallArguments() {
  |C|twoArguments(|C|emptyFunction(), |C|emptyFunction());
|R|}

function testNested() {
  function nested1() {
    function nested2() {
      function nested3() {
      |R|}
      |C|nested3();
      |_|return;
    |R|}
    |_|return |C|nested2();
  |R|}
  |C|nested1();
|R|}

function return42() {
  |_|return 42;
|R|}

function returnCall() {
  |_|return |C|return42();
|R|}

function testCallAtReturn() {
  |_|return |C|returnCall();
|R|}

function returnObject() {
  |_|return ({ foo: () => |_|42|R| });
|R|}

function testWith() {
  |_|with (|C|returnObject()) {
    |C|foo();
  }
  |_|with({}) {
    |_|return;
  }
|R|}

function testForLoop() {
  for (var i = |_|0; i |_|< 1; ++|_|i) {}
  for (var i = |_|0; i |_|< 1; ++|_|i) |_|i;
  for (var i = |_|0; i |_|< 0; ++|_|i) {}
|R|}

function testForOfLoop() {
  for (var k |C|of []) {}
  for (var k |C|of |_|[1]) |_|k;
  var a = |_|[];
  for (var k |C|of |_|a) {}
|R|}

function testForInLoop() {
  var o = |_|{};
  for (var |_|k in |_|o) {}
  for (var |_|k in |_|o) |_|k;
  for (var |_|k in |_|{ a:1 }) {}
  for (var |_|k in |_|{ a:1 }) |_|k;
|R|}

function testSimpleExpressions() {
  1 + 2 + 3;
  var a = |_|1;
  |_|++a;
  |_|a--;
|R|}

Object.defineProperty(this, 'getterFoo', {
  get: () => |_|return42|R|
});

function testGetter() {
  |C|getterFoo();
|R|}

var obj = {
  foo: () => (|_|{
    boo: () => |_|return42|R|
  })|R|
};

function testChainedCalls() {
  |_|obj.|C|foo().|C|boo()|C|();
|R|}

function testChainedWithNative() {
  |_|Array.|C|from([1]).|C|concat([2]).|C|map(v => v |_|* 2|R|);
|R|}

function testPromiseThen() {
  |_|return Promise.|C|resolve().|C|then(v => v |_|* 2|R|).|C|then(v => v |_|* 2|R|);
|R|}

function testSwitch() {
  for (var i = |_|0; i |_|< 3; ++|_|i) {
    |_|switch(i) {
      case 0: |_|continue;
      case 1: |C|return42(); |_|break;
      default: |_|return;
    }
  }
|R|}

function* idMaker() {
  |_|yield 1;
  |_|yield 2;
  |_|yield 3;
|R|}

function testGenerator() {
  var gen = |C|idMaker();
  |C|return42();
  |_|gen.|C|next().value;
  |D|debugger;
  |_|gen.|C|next().value;
  |C|return42();
  |_|gen.|C|next().value;
  |C|return42();
  |_|gen.|C|next().value;
|R|}

function throwException() {
  |_|throw |C|new Error();
}

function testCaughtException() {
  try {
    |C|throwException()
  } catch (e) {
    |_|return;
  }
|R|}

function testClasses() {
  |_|class Cat {
    constructor(name) {
      |_|this.name = name;
    |R|}

    speak() {
    |R|}
  }
  |_|class Lion extends Cat {
    constructor(name) {
      |C|super(name);
    |R|}

    speak() {
      |_|super.|C|speak();
    |R|}
  }
  |C|new Lion().|C|speak();
|R|}

async function asyncFoo() {
  |_|await Promise.resolve().then(v => v |_|* 2|R|);
  |C|return42();
  |_|await |C|asyncBoo();
|R|}

async function asyncBoo() {
  |_|await Promise.resolve();
|R|}

async function testAsyncAwait() {
  |_|await asyncFoo();
  |_|await |C|awaitBoo();
|R|}

// TODO(kozyatinskiy): fix this.
async function testPromiseAsyncWithCode() {
  var nextTest;
  var testPromise = |C|new Promise(resolve => nextTest |_|= resolve|R|);
  async function main() {
    async function foo() {
      var resolveNested;
      var p = |C|new Promise(resolve => resolveNested |_|= resolve|R|);
      |C|setTimeout(resolveNested, 0);
      |_|await |_|p;
    |R|}
    |C|setTimeout(returnCall, 0);
    |_|await |C|foo();
    |_|await |C|foo();
    |C|nextTest();
  |R|}
  |C|main();
  |_|return testPromise;
|R|}

function returnFunction() {
  |_|return returnObject;
|R|}

async function testPromiseComplex() {
  var nextTest;
  var testPromise = |C|new Promise(resolve => nextTest |_|= resolve|R|);
  async function main() {
    async function foo() {
      |_|await Promise.resolve();
      |_|return 42;
    |R|}
    var x = |_|1;
    var y = |_|2;
    |C|returnFunction(|C|emptyFunction(), x++, --y, x => 2 |_|* x|R|, |C|returnCall())|C|().a = |_|await |C|foo((a => 2 |_|*a|R|)|C|(5));
    |C|nextTest();
  |R|}
  |C|main();
  |_|return testPromise;
|R|}

function twiceDefined() {
  return a + b;
}

function twiceDefined() {
  |_|return a + b;
|R|}