| Path : /var/www/html/infraai.ai/frontend/node_modules/string.prototype.trimend/test/ |
|
B-Con CMD Config cPanel C-Rdp D-Log Info Jump Mass Ransom Symlink vHost Zone-H |
| Current File : /var/www/html/infraai.ai/frontend/node_modules/string.prototype.trimend/test/tests.js |
'use strict';
module.exports = function (trimEnd, t) {
t.test('normal cases', function (st) {
st.equal(trimEnd(' \t\na \t\n'), ' \t\na', 'strips whitespace off the left side');
st.equal(trimEnd('a'), 'a', 'noop when no whitespace');
var allWhitespaceChars = '\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';
st.equal(trimEnd(allWhitespaceChars + 'a' + allWhitespaceChars), allWhitespaceChars + 'a', 'all expected whitespace chars are trimmed');
st.end();
});
t.test('pathological case', function (st) {
var manySpaces = new Array(100001).join(' ');
var input = 'A' + manySpaces + 'A' + manySpaces;
var start = Date.now();
var result = trimEnd(input);
var elapsed = Date.now() - start;
st.equal(result, 'A' + manySpaces + 'A', 'trailing whitespace is trimmed; internal whitespace is preserved');
st.ok(elapsed < 250, 'completes in linear time (took ' + elapsed + 'ms)');
st.end();
});
// see https://codeblog.jonskeet.uk/2014/12/01/when-is-an-identifier-not-an-identifier-attack-of-the-mongolian-vowel-separator/
var mongolianVowelSeparator = '\u180E';
var mvsIsWS = (/^\s$/).test(mongolianVowelSeparator);
t.test('mongolian vowel separator: unicode >= 4 && < 6.3', function (st) {
st.equal(
trimEnd(mongolianVowelSeparator + 'a' + mongolianVowelSeparator),
mongolianVowelSeparator + 'a' + (mvsIsWS ? '' : mongolianVowelSeparator),
'mongolian vowel separator is ' + (mvsIsWS ? '' : 'not ') + 'whitespace'
);
st.end();
});
t.test('zero-width spaces', function (st) {
var zeroWidth = '\u200b';
st.equal(trimEnd(zeroWidth), zeroWidth, 'zero width space does not trim');
st.end();
});
};