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Document the radix argument of _.parseInt and ensure it ignores leading whitespace. [closes #254]

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Former-commit-id: b1d0f7688402b3f41cfb030c63dcd097ba3f4e68
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John-David Dalton
2013-04-26 10:58:49 -07:00
parent d2de489e3a
commit 183b2548cf
8 changed files with 281 additions and 227 deletions
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12
test/test.js
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@@ -2047,15 +2047,23 @@
QUnit.module('lodash.parseInt');
(function() {
test('should parse strings with leading zeros with a `radix` of 10 by default (test in Firefox and Opera)', function() {
test('should parse strings with leading whitespace and zeros with a `radix` of 10 by default (test in Chrome, Firefox, and Opera)', function() {
var whitespace = ' \t\x0B\x0C\xA0\ufeff\x0A\x0D\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000';
equal(_.parseInt('08'), 8);
equal(_.parseInt(whitespace + '08'), 8);
});
test('should internally use a radix of 10 if `radix` is `undefined` or `0`', function() {
test('should use a radix of `10`, for non-hexadecimals, if `radix` is `undefined` or `0`', function() {
equal(_.parseInt('10', 0), 10);
equal(_.parseInt('10'), 10);
equal(_.parseInt('10', undefined), 10);
});
test('should use a radix of `16`, for hexadecimals, if `radix` is `undefined` or `0`', function() {
equal(_.parseInt('0x20', 0), 32);
equal(_.parseInt('0x20'), 32);
equal(_.parseInt('0x20', undefined), 32);
});
}());
/*--------------------------------------------------------------------------*/