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