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);
if(actualmatch)
{
if(expectedmatch)
{
lExpect = expectedmatch.length;
lActual = actualmatch.length;
if (lActual != lExpect)
{
reportFailure(
state + ERR_LENGTH +
MSG_EXPECT + formatArray(expectedmatch) +
MSG_ACTUAL + formatArray(actualmatch) +
CHAR_NL
);
continue;
}
if (formatArray(expectedmatch) != formatArray(actualmatch))
{
reportFailure(
state + ERR_MATCH +
MSG_EXPECT + formatArray(expectedmatch) +
MSG_ACTUAL + formatArray(actualmatch) +
CHAR_NL
);
}
}
else {
reportFailure(
state + ERR_UNEXP_MATCH +
MSG_EXPECT + expectedmatch +
MSG_ACTUAL + formatArray(actualmatch) +
CHAR_NL
);
}
}
else {
if (expectedmatch)
{
reportFailure(
state + ERR_NO_MATCH +
MSG_EXPECT + formatArray(expectedmatch) +
MSG_ACTUAL + actualmatch +
CHAR_NL
);
}
else {
reportCompare (expectedmatch, actualmatch, state);
}
}
}
}
function getState(status, pattern, string)
{
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));
}
function formatArray(arr)
{
try
{
return arr.toSource();
}
catch(e)
{
return toSource(arr);
}
}
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;
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;
}