46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
import assert from 'assert';
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import {Buffer as BufferT, uint8, DecodeStream, EncodeStream} from 'restructure';
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describe('Buffer', function() {
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describe('decode', function() {
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it('should decode', function() {
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const buffer = new Uint8Array([0xab, 0xff]);
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const buf = new BufferT(2);
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assert.deepEqual(buf.fromBuffer(buffer), new Uint8Array([0xab, 0xff]));
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});
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it('should decode with parent key length', function() {
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const stream = new DecodeStream(new Uint8Array([0xab, 0xff, 0x1f, 0xb6]));
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const buf = new BufferT('len');
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assert.deepEqual(buf.decode(stream, {len: 3}), new Uint8Array([0xab, 0xff, 0x1f]));
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assert.deepEqual(buf.decode(stream, {len: 1}), new Uint8Array([0xb6]));
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});
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});
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describe('size', function() {
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it('should return size', function() {
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const buf = new BufferT(2);
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assert.equal(buf.size(new Uint8Array([0xab, 0xff])), 2);
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});
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it('should use defined length if no value given', function() {
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const array = new BufferT(10);
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assert.equal(array.size(), 10);
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});
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});
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describe('encode', function() {
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it('should encode', function() {
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const buf = new BufferT(2);
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const buffer = buf.toBuffer(new Uint8Array([0xab, 0xff]));
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assert.deepEqual(buffer, new Uint8Array([0xab, 0xff]));
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});
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it('should encode length before buffer', function() {
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const buf = new BufferT(uint8);
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const buffer = buf.toBuffer(new Uint8Array([0xab, 0xff]));
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assert.deepEqual(buffer, new Uint8Array([2, 0xab, 0xff]));
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});
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});
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});
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