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Improved regexp reporting for Rhino by imitating SpiderMonkey's Array.toSource() method.

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This commit is contained in:
pschwartau%netscape.com 2002-02-27 18:36:46 +00:00
parent dc5064178b
commit 10d321f38d
1 changed files with 57 additions and 5 deletions
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62
js/tests/ecma_3/RegExp/shell.js
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@ -32,8 +32,13 @@ 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)
@ -141,7 +146,7 @@ function getState(status, pattern, string)
string = string.replace(/\v/g, '\\v');
string = string.replace(/\f/g, '\\f');
return (status + MSG_PATTERN + pattern + MSG_STRING + quote(string));
return (status + MSG_PATTERN + pattern + MSG_STRING + singleQuote(string));
}
@ -156,7 +161,7 @@ function getState(status, pattern, string)
* arr.toString()
* 1,2,3
*
* But toSource() doesn't exist in Rhino - so branch on this -
* But toSource() doesn't exist in Rhino, so use our own imitation, below -
*
*/
function formatArray(arr)
@ -167,12 +172,59 @@ function formatArray(arr)
}
catch(e)
{
return CHAR_LBRACKET + arr.toString() + CHAR_RBRACKET;
return toSource(arr);
}
}
function quote(text)
/*
* 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)
{
return (CHAR_QT + text + CHAR_QT);
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;
}