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/* -*- tab-width: 2; 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
(function(global) {
/*
* Date: 07 February 2001
*
* Functionality common to RegExp testing -
*/
//-----------------------------------------------------------------------------
var MSG_PATTERN = '\nregexp = ';
var MSG_STRING = '\nstring = ';
var MSG_EXPECT = '\nExpect: ';
var MSG_ACTUAL = '\nActual: ';
var ERR_LENGTH = '\nERROR !!! match arrays have different lengths:';
var ERR_MATCH = '\nERROR !!! regexp failed to give expected match array:';
var ERR_NO_MATCH = '\nERROR !!! regexp FAILED to match anything !!!';
var ERR_UNEXP_MATCH = '\nERROR !!! regexp MATCHED when we expected it to fail !!!';
var CHAR_LBRACKET = '[';
var CHAR_RBRACKET = ']';
var CHAR_QT_DBL = '"';
var CHAR_QT = "'";
var CHAR_NL = '\n';
var CHAR_COMMA = ',';
var CHAR_SPACE = ' ';
var TYPE_STRING = typeof 'abc';
function testRegExp(statuses, patterns, strings, actualmatches, expectedmatches)
{
var status = '';
var pattern = new RegExp();
var string = '';
var actualmatch = new Array();
var expectedmatch = new Array();
var state = '';
var lActual = -1;
var lExpect = -1;
for (var i=0; i != patterns.length; i++)
{
status = statuses[i];
pattern = patterns[i];
string = strings[i];
actualmatch=actualmatches[i];
expectedmatch=expectedmatches[i];
state = getState(status, pattern, string);
description = status;
if(actualmatch)
{
actual = formatArray(actualmatch);
if(expectedmatch)
{
// expectedmatch and actualmatch are arrays -
lExpect = expectedmatch.length;
lActual = actualmatch.length;
var expected = formatArray(expectedmatch);
if (lActual != lExpect)
{
reportCompare(lExpect, lActual,
state + ERR_LENGTH +
MSG_EXPECT + expected +
MSG_ACTUAL + actual +
CHAR_NL
);
continue;
}
// OK, the arrays have same length -
if (expected != actual)
{
reportCompare(expected, actual,
state + ERR_MATCH +
MSG_EXPECT + expected +
MSG_ACTUAL + actual +
CHAR_NL
);
}
else
{
reportCompare(expected, actual, state)
}
}
else //expectedmatch is null - that is, we did not expect a match -
{
expected = expectedmatch;
reportCompare(expected, actual,
state + ERR_UNEXP_MATCH +
MSG_EXPECT + expectedmatch +
MSG_ACTUAL + actual +
CHAR_NL
);
}
}
else // actualmatch is null
{
if (expectedmatch)
{
actual = actualmatch;
reportCompare(expected, actual,
state + ERR_NO_MATCH +
MSG_EXPECT + expectedmatch +
MSG_ACTUAL + actualmatch +
CHAR_NL
);
}
else // we did not expect a match
{
// Being ultra-cautious. Presumably expectedmatch===actualmatch===null
expected = expectedmatch;
actual = actualmatch;
reportCompare (expectedmatch, actualmatch, state);
}
}
}
}
global.testRegExp = testRegExp;
function getState(status, pattern, string)
{
/*
* Escape \n's, etc. to make them LITERAL in the presentation string.
* We don't have to worry about this in |pattern|; such escaping is
* done automatically by pattern.toString(), invoked implicitly below.
*
* One would like to simply do: string = string.replace(/(\s)/g, '\$1').
* However, the backreference $1 is not a literal string value,
* so this method doesn't work.
*
* Also tried string = string.replace(/(\s)/g, escape('$1'));
* but this just inserts the escape of the literal '$1', i.e. '%241'.
*/
string = string.replace(/\n/g, '\\n');
string = string.replace(/\r/g, '\\r');
string = string.replace(/\t/g, '\\t');
string = string.replace(/\v/g, '\\v');
string = string.replace(/\f/g, '\\f');
return (status + MSG_PATTERN + pattern + MSG_STRING + singleQuote(string));
}
/*
* If available, arr.toSource() gives more detail than arr.toString()
*
* var arr = Array(1,2,'3');
*
* arr.toSource()
* [1, 2, "3"]
*
* arr.toString()
* 1,2,3
*
* But toSource() doesn't exist in Rhino, so use our own imitation, below -
*
*/
function formatArray(arr)
{
try
{
return arr.toSource();
}
catch(e)
{
return toSource(arr);
}
}
/*
* Imitate SpiderMonkey's arr.toSource() method:
*
* a) Double-quote each array element that is of string type
* b) Represent |undefined| and |null| by empty strings
* c) Delimit elements by a comma + single space
* d) Do not add delimiter at the end UNLESS the last element is |undefined|
* e) Add square brackets to the beginning and end of the string
*/
function toSource(arr)
{
var delim = CHAR_COMMA + CHAR_SPACE;
var elt = '';
var ret = '';
var len = arr.length;
for (i=0; i<len; i++)
{
elt = arr[i];
switch(true)
{
case (typeof elt === TYPE_STRING) :
ret += doubleQuote(elt);
break;
case (elt === undefined || elt === null) :
break; // add nothing but the delimiter, below -
default:
ret += elt.toString();
}
if ((i < len-1) || (elt === undefined))
ret += delim;
}
return CHAR_LBRACKET + ret + CHAR_RBRACKET;
}
function doubleQuote(text)
{
return CHAR_QT_DBL + text + CHAR_QT_DBL;
}
function singleQuote(text)
{
return CHAR_QT + text + CHAR_QT;
}
})(this);
(function(global) {
// The Worker constructor can take a relative URL, but different test runners
// run in different enough environments that it doesn't all just automatically
// work. For the shell, we use just a filename; for the browser, see browser.js.
var workerDir = '';
// Assert that cloning b does the right thing as far as we can tell.
// Caveat: getters in b must produce the same value each time they're
// called. We may call them several times.
//
// If desc is provided, then the very first thing we do to b is clone it.
// (The self-modifying object test counts on this.)
//
function clone_object_check(b, desc) {
function classOf(obj) {
return Object.prototype.toString.call(obj);
}
function ownProperties(obj) {
return Object.getOwnPropertyNames(obj).
map(function (p) { return [p, Object.getOwnPropertyDescriptor(obj, p)]; });
}
function isArrayLength(obj, pair) {
return Array.isArray(obj) && pair[0] == "length";
}
function isCloneable(obj, pair) {
return isArrayLength(obj, pair) || (typeof pair[0] === 'string' && pair[1].enumerable);
}
function notIndex(p) {
var u = p >>> 0;
return !("" + u == p && u != 0xffffffff);
}
function assertIsCloneOf(a, b, path) {
assertEq(a === b, false);
var ca = classOf(a);
assertEq(ca, classOf(b), path);
assertEq(Object.getPrototypeOf(a),
ca == "[object Object]" ? Object.prototype : Array.prototype,
path);
// 'b', the original object, may have non-enumerable or XMLName
// properties; ignore them (except .length, if it's an Array).
// 'a', the clone, should not have any non-enumerable properties
// (except .length, if it's an Array) or XMLName properties.
var pb = ownProperties(b).filter(function(element) {
return isCloneable(b, element);
});
var pa = ownProperties(a);
for (var i = 0; i < pa.length; i++) {
assertEq(typeof pa[i][0], "string", "clone should not have E4X properties " + path);
if (!isCloneable(a, pa[i])) {
throw new Error("non-cloneable clone property " + pa[i][0] + " " + path);
}
}
// Check that, apart from properties whose names are array indexes,
// the enumerable properties appear in the same order.
var aNames = pa.map(function (pair) { return pair[1]; }).filter(notIndex);
var bNames = pa.map(function (pair) { return pair[1]; }).filter(notIndex);
assertEq(aNames.join(","), bNames.join(","), path);
// Check that the lists are the same when including array indexes.
function byName(a, b) { a = a[0]; b = b[0]; return a < b ? -1 : a === b ? 0 : 1; }
pa.sort(byName);
pb.sort(byName);
assertEq(pa.length, pb.length, "should see the same number of properties " + path);
for (var i = 0; i < pa.length; i++) {
var aName = pa[i][0];
var bName = pb[i][0];
assertEq(aName, bName, path);
var path2 = path + "." + aName;
var da = pa[i][1];
var db = pb[i][1];
if (!isArrayLength(a, pa[i])) {
assertEq(da.configurable, true, path2);
}
assertEq(da.writable, true, path2);
assertEq("value" in da, true, path2);
var va = da.value;
var vb = b[pb[i][0]];
if (typeof va === "object" && va !== null)
queue.push([va, vb, path2]);
else
assertEq(va, vb, path2);
}
}
var banner = "while testing clone of " + (desc || JSON.stringify(b));
var a = deserialize(serialize(b));
var queue = [[a, b, banner]];
while (queue.length) {
var triple = queue.shift();
assertIsCloneOf(triple[0], triple[1], triple[2]);
}
return a; // for further testing
}
global.clone_object_check = clone_object_check;
})(this);