it('returns false if an encoding is not supported.', function () {
assert.equal(Buffer.isSupportedEncoding('ASCI'), false);
assert.equal(Buffer.isSupportedEncoding('UTF-9'), false);
assert.equal(Buffer.isSupportedEncoding('EUC-RK'), false);
assert.equal(Buffer.isSupportedEncoding('PC949'), false);
});
it('returns true if an encoding is supported', function () {
assert.equal(Buffer.isSupportedEncoding('ASCII'), true);
assert.equal(Buffer.isSupportedEncoding('UTF-8'), true);
assert.equal(Buffer.isSupportedEncoding('EUC-KR'), true);
assert.equal(Buffer.isSupportedEncoding('CP949'), true);
});