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'use strict';
// verify that the string decoder works getting 1 byte at a time,
// the whole buffer at once, and that both match the .toString(enc)
// result of the entire buffer.
require('../common');
var assert = require('assert');
var SD = require('string_decoder').StringDecoder;
var encodings = ['base64', 'hex', 'utf8', 'utf16le', 'ucs2'];
var bufs = [ '☃💩', 'asdf' ].map(function(b) {
return Buffer.from(b);
});
// also test just arbitrary bytes from 0-15.
for (var i = 1; i <= 16; i++) {
var bytes = new Array(i).join('.').split('.').map(function(_, j) {
return j + 0x78;
});
bufs.push(Buffer.from(bytes));
}
encodings.forEach(testEncoding);
console.log('ok');
function testEncoding(encoding) {
bufs.forEach(function(buf) {
testBuf(encoding, buf);
});
}
function testBuf(encoding, buf) {
console.error('# %s', encoding, buf);
// write one byte at a time.
var s = new SD(encoding);
var res1 = '';
for (var i = 0; i < buf.length; i++) {
res1 += s.write(buf.slice(i, i + 1));
}
res1 += s.end();
// write the whole buffer at once.
var res2 = '';
s = new SD(encoding);
res2 += s.write(buf);
res2 += s.end();
// .toString() on the buffer
var res3 = buf.toString(encoding);
console.log('expect=%j', res3);
assert.equal(res1, res3, 'one byte at a time should match toString');
assert.equal(res2, res3, 'all bytes at once should match toString');
}
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