regress-94506.js - mozsearch

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/* -*- 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: 08 August 2001

 * SUMMARY: When we invoke a function, the arguments object should take

 *          a back seat to any local identifier named "arguments".

 * See http://bugzilla.mozilla.org/show_bug.cgi?id=94506

*/

//-----------------------------------------------------------------------------

var UBound = 0;

var BUGNUMBER = 94506;

var summary = 'Testing functions employing identifiers named "arguments"';

var status = '';

var statusitems = [];

var actual = '';

var actualvalues = [];

var expect= '';

var expectedvalues = [];

var TYPE_OBJECT = typeof new Object();

var arguments = 5555;

// use a parameter named "arguments"

function F1(arguments)

  return arguments;

// use a local variable named "arguments"

function F2()

  var arguments = 55;

  return arguments;

// same thing in a different order. CHANGES THE RESULT!

function F3()

  return arguments;

  var arguments = 555;

// use the global variable above named "arguments"

function F4()

  return arguments;

/*

 * In Sections 1 and 2, expect the local identifier, not the arguments object.

 * In Sections 3 and 4, expect the arguments object, not the the identifier.

*/

status = 'Section 1 of test';

actual = F1(5);

expect = 5;

addThis();

status = 'Section 2 of test';

actual = F2();

expect = 55;

addThis();

status = 'Section 3 of test';

actual = typeof F3();

expect = TYPE_OBJECT;

addThis();

status = 'Section 4 of test';

actual = typeof F4();

expect = TYPE_OBJECT;

addThis();

// Let's try calling F1 without providing a parameter -

status = 'Section 5 of test';

actual = F1();

expect = undefined;

addThis();

// Let's try calling F1 with too many parameters -

status = 'Section 6 of test';

actual = F1(3,33,333);

expect = 3;

addThis();

//-----------------------------------------------------------------------------

test();

//-----------------------------------------------------------------------------

function addThis()

  statusitems[UBound] = status;

  actualvalues[UBound] = actual;

  expectedvalues[UBound] = expect;

  UBound++;

function test()

  printBugNumber(BUGNUMBER);

  printStatus (summary);

  for (var i = 0; i < UBound; i++)

    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);