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trim.js
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var R = require('../source/index.js');
var eq = require('./shared/eq.js');
describe('trim', function() {
var test = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFFHello, World!\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';
it('trims a string', function() {
eq(R.trim(' xyz '), 'xyz');
});
it('trims all ES5 whitespace', function() {
eq(R.trim(test), 'Hello, World!');
eq(R.trim(test).length, 13);
});
it('does not trim the zero-width space', function() {
eq(R.trim('\u200b'), '\u200b');
eq(R.trim('\u200b').length, 1);
});
if (typeof String.prototype.trim !== 'function') {
it('falls back to a shim if String.prototype.trim is not present', function() {
eq(R.trim(' xyz '), 'xyz');
eq(R.trim(test), 'Hello, World!');
eq(R.trim(test).length, 13);
eq(R.trim('\u200b'), '\u200b');
eq(R.trim('\u200b').length, 1);
});
}
});