demostf/demo.js
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better transcode test

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This commit is contained in:
Robin Appelman 2017-11-11 17:34:14 +01:00
commit 8ee53bf92e
1 changed files with 9 additions and 6 deletions
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15
src/tests/snapshot/transcode.ts
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@ -7,10 +7,15 @@ import {Parser} from '../../Parser';
import {Analyser} from '../../Analyser'; import {Analyser} from '../../Analyser';
function testDemo(name: string) { function testDemo(name: string) {
const target = JSON.parse(readFileSync(`${__dirname}/../data/${name}.json`, 'utf8'));
const decodeStream = new BitStream( const decodeStream = new BitStream(
readFileSync(`${__dirname}/../data/${name}.dem`).buffer as ArrayBuffer readFileSync(`${__dirname}/../data/${name}.dem`).buffer as ArrayBuffer
); );
const parser = new Parser(decodeStream);
const analyser = new Analyser(parser);
const original = analyser.getBody().getState();
decodeStream.index = 0;
const encodeStream = new DynamicBitStream(32 * 1024 * 1024); const encodeStream = new DynamicBitStream(32 * 1024 * 1024);
const transformer = new Transformer(decodeStream, encodeStream); const transformer = new Transformer(decodeStream, encodeStream);
@ -19,17 +24,15 @@ function testDemo(name: string) {
const encodedLength = encodeStream.index; const encodedLength = encodeStream.index;
encodeStream.index = 0; encodeStream.index = 0;
console.log('start reparse');
const reParser = new Parser(encodeStream); const reParser = new Parser(encodeStream);
const analyser = new Analyser(reParser); const reAnalyser = new Analyser(reParser);
const parsed = analyser.getBody().getState(); const parsed = reAnalyser.getBody().getState();
const reParsedLength = encodeStream.index; const reParsedLength = encodeStream.index;
assert.equal(reParsedLength, encodedLength, 'Unexpected number of bits used when parsing encoding stream'); assert.equal(reParsedLength, encodedLength, 'Unexpected number of bits used when parsing encoding stream');
assert.deepEqual(JSON.parse(JSON.stringify(parsed)), target); assert.deepEqual(JSON.parse(JSON.stringify(parsed)), original);
} }
suite('Transcode demo', () => { suite('Transcode demo', () => {