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/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
* Contributor: haytjes <hv1989@gmail.com>
*/
/* Check the undefined pattern is equivalent to empty string. */
assertEq(RegExp(undefined).source, '');
assertEq(RegExp(undefined).global, false);
assertEq("test".replace(RegExp(undefined), "*"), '*test');
assertEq(new RegExp(undefined).source, '');
assertEq(new RegExp(undefined).global, false);
assertEq('test'.replace(new RegExp(undefined), "*"), '*test');
/* Global flags. */
assertEq(new RegExp(undefined, "g").global, true);
assertEq("test".replace(new RegExp(undefined, "g"), "*"), "*t*e*s*t*");
assertEq(RegExp(undefined, "g").global, true);
assertEq("test".replace(RegExp(undefined, "g"), "*"), "*t*e*s*t*");
/* Undefined flags. */
var re = new RegExp(undefined, undefined);
assertEq(re.multiline, false);
assertEq(re.global, false);
assertEq(re.ignoreCase, false);
var re = new RegExp("test", undefined);
assertEq(re.multiline, false);
assertEq(re.global, false);
assertEq(re.ignoreCase, false);
/* Flags argument that requires toString. */
function Flags() {};
Flags.prototype.toString = function dogToString() { return ""; }
var re = new RegExp(undefined, new Flags());
assertEq(re.multiline, false);
assertEq(re.global, false);
assertEq(re.ignoreCase, false);
Flags.prototype.toString = function dogToString() { return "gim"; }
var re = new RegExp(undefined, new Flags());
assertEq(re.multiline, true);
assertEq(re.global, true);
assertEq(re.ignoreCase, true);
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