src/third_party/mozjs-45/js/src/tests/ecma_3/Function/15.3.4.4-1.js

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 *
 * Date:    21 May 2002
 * SUMMARY: ECMA conformance of Function.prototype.call
 *
 *   Function.prototype.call(thisArg [,arg1 [,arg2, ...]])
 *
 * See ECMA-262 Edition 3 Final, Section 15.3.4.4
 */
//-----------------------------------------------------------------------------
var UBound = 0;
var BUGNUMBER = 145791;
var summary = 'Testing ECMA conformance of Function.prototype.call';
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];


function F0(a)
{
  return "" + this + arguments.length;
}

function F1(a)
{
  return "" + this + a;
}

function F2()
{
  return "" + this;
}



/*
 * Function.prototype.call.length should return 1
 */
status = inSection(1);
actual = Function.prototype.call.length;
expect = 1;
addThis();


/*
 * When |thisArg| is not provided to the call() method, the
 * called function must be passed the global object as |this|
 */
status = inSection(2);
actual = F0.call();
expect = "" + this + 0;
addThis();


/*
 * If [,arg1 [,arg2, ...]] are not provided to the call() method,
 * the called function should be invoked with an empty argument list
 */
status = inSection(3);
actual = F0.call("");
expect = "" + "" + 0;
addThis();

status = inSection(4);
actual = F0.call(true);
expect = "" + true + 0;
addThis();


/*
 * Function.prototype.call(x) and
 * Function.prototype.call(x, undefined) should return the same result
 */
status = inSection(5);
actual = F1.call(0, undefined);
expect = F1.call(0);
addThis();

status = inSection(6);
actual = F1.call("", undefined);
expect = F1.call("");
addThis();

status = inSection(7);
actual = F1.call(null, undefined);
expect = F1.call(null);
addThis();

status = inSection(8);
actual = F1.call(undefined, undefined);
expect = F1.call(undefined);
addThis();


/*
 * Function.prototype.call() and
 * Function.prototype.call(undefined) should return the same result
 */
status = inSection(9);
actual = F2.call(undefined);
expect = F2.call();
addThis();


/*
 * Function.prototype.call() and
 * Function.prototype.call(null) should return the same result
 */
status = inSection(10);
actual = F2.call(null);
expect = F2.call();
addThis();

if (typeof newGlobal === "function")
{
  /*
   * Function.prototype.call gets lexical globals, not caller globals
   */
  status = inSection(11);
  actual = g2 = newGlobal();
  g2.eval("boundMethod = Function('return this');");
  expect = g2.boundMethod.call();
  addThis();
}


//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------



function addThis()
{
  statusitems[UBound] = status;
  actualvalues[UBound] = actual;
  expectedvalues[UBound] = expect;
  UBound++;
}


function test()
{
  enterFunc('test');
  printBugNumber(BUGNUMBER);
  printStatus(summary);

  for (var i=0; i<UBound; i++)
  {
    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
  }

  exitFunc ('test');
}