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const {Enum, uint8, DecodeStream, EncodeStream} = require('../');
const should = require('chai').should();
const concat = require('concat-stream');
describe('Enum', function() {
const e = new Enum(uint8, ['foo', 'bar', 'baz']);
it('should have the right size', () => e.size().should.equal(1));
it('should decode', function() {
const stream = new DecodeStream(Buffer.from([1, 2, 0]));
e.decode(stream).should.equal('bar');
e.decode(stream).should.equal('baz');
return e.decode(stream).should.equal('foo');
});
it('should encode', function(done) {
const stream = new EncodeStream;
stream.pipe(concat(function(buf) {
buf.should.deep.equal(Buffer.from([1, 2, 0]));
return done();
})
);
e.encode(stream, 'bar');
e.encode(stream, 'baz');
e.encode(stream, 'foo');
return stream.end();
});
return it('should throw on unknown option', function() {
const stream = new EncodeStream;
return should.throw(() => e.encode(stream, 'unknown'));
});
});