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Diffstat (limited to 'js/src/tests/ecma_3/RegExp/shell.js')
| -rw-r--r-- | js/src/tests/ecma_3/RegExp/shell.js | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/js/src/tests/ecma_3/RegExp/shell.js b/js/src/tests/ecma_3/RegExp/shell.js new file mode 100644 index 000000000..857d06c3e --- /dev/null +++ b/js/src/tests/ecma_3/RegExp/shell.js @@ -0,0 +1,232 @@ +/* -*- 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 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * 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); + } + } + } +} + + +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; +} + |