'use strict';
const assert = require('assert');
const { escapeInvisibles } = require('./utils.js');
describe('utils', () => {
it('`escapeInvisibles()` works correctly', () => {
const EXPECTED = [
/* ␀ */ ['\0', '\\0'],
/* ␁ */ '\x01',
/* ␂ */ '\x02',
/* ␃ */ '\x03',
/* ␄ */ '\x04',
/* ␅ */ '\x05',
/* ␆ */ '\x06',
/* ␇ */ '\x07',
/* ␈ */ ['\b', '\\b'],
/* ␉ */ ['\t', '\\t'],
/* ␊ */ ['\n', '\\n'],
/* ␋ */ ['\v', '\\v'],
/* ␌ */ ['\f', '\\f'],
/* ␍ */ ['\r', '\\r'],
/* ␏ */ '\x0F',
/* ␎ */ '\x0E',
/* ␐ */ '\x10',
/* ␑ */ '\x11',
/* ␒ */ '\x12',
/* ␓ */ '\x13',
/* ␔ */ '\x14',
/* ␕ */ '\x15',
/* ␖ */ '\x16',
/* ␗ */ '\x17',
/* ␘ */ '\x18',
/* ␙ */ '\x19',
/* ␚ */ '\x1A',
/* ␛ */ '\x1B',
/* ␜ */ '\x1C',
/* ␝ */ '\x1D',
/* ␞ */ '\x1E',
/* ␟ */ '\x1F',
/* ␠ */ ' ',
/* ␡ */ '\x7F',
];
for (const data of EXPECTED) {
let char, expected;
if (typeof data === 'string') {
char = data;
expected = data;
} else {
[char, expected = char] = data;
}
assert.strictEqual(escapeInvisibles(char), expected);
}
});
});