() => buffer.transcode(null, 'utf8', 'ascii'),
() => buffer.transcode(Buffer.from('a'), 'uf8', 'b'),
const buffer = require('buffer'); const assert = require('assert'); const orig = Buffer.from('těst ☕', 'utf8'); // Test Transcoding const tests = { 'latin1': [0x74, 0x3f, 0x73, 0x74, 0x20, 0x3f], 'ascii': [0x74, 0x3f, 0x73, 0x74, 0x20, 0x3f], 'ucs2': [0x74, 0x00, 0x1b, 0x01, 0x73, 0x00, 0x74, 0x00, 0x20, 0x00, 0x15, 0x26] }; for (const test in tests) { const dest = buffer.transcode(orig, 'utf8', test); assert.strictEqual(dest.length, tests[test].length, `utf8->${test} length`); for (let n = 0; n < tests[test].length; n++) assert.strictEqual(dest[n], tests[test][n], `utf8->${test} char ${n}`); } { const dest = buffer.transcode(Buffer.from(tests.ucs2), 'ucs2', 'utf8'); assert.strictEqual(dest.toString(), orig.toString()); } { const utf8 = Buffer.from('€'.repeat(4000), 'utf8'); const ucs2 = Buffer.from('€'.repeat(4000), 'ucs2'); const utf8_to_ucs2 = buffer.transcode(utf8, 'utf8', 'ucs2'); const ucs2_to_utf8 = buffer.transcode(ucs2, 'ucs2', 'utf8');