benchmark.js

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*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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// Load D3 and data loading utilities for d8

const EXPECTED_LAST_RESULT_LENGTH = 691366;
const EXPECTED_LAST_RESULT_HASH = 144487595;

globalThis.clearTimeout = () => { };

class Benchmark extends StartupBenchmark {
    lastResult;
    totalHash = 0xdeadbeef;

    constructor({iterationCount}) {
        super({
            iterationCount,
            expectedCacheCommentCount: 10028,
            sourceCodeReuseCount: 2,
         });
    }

    async init() {
        await super.init();
        this.airportsCsvString = (await JetStream.getString(JetStream.preload.AIRPORTS));
        console.assert(this.airportsCsvString.length == 145493, `Expected this.airportsCsvString.length to be 141490 but got ${this.airportsCsvString.length}`);
        this.usDataJsonString = await JetStream.getString(JetStream.preload.US_DATA);
        console.assert(this.usDataJsonString.length == 2880996, `Expected this.usData.length to be 2880996 but got ${this.usDataJsonString.length}`);
        this.usData = JSON.parse(this.usDataJsonString);
    }

    runIteration(iteration) {
        // super.prepareForNextIteration() sets this up for us.
        let iterationSourceCode = this.currentIterationSourceCode;
        if (!iterationSourceCode)
            throw new Error(`Could not find source for iteration ${iteration}`);
        // Module in sourceCode it assigned to the ReactRenderTest variable.
        let D3Test;
        eval(iterationSourceCode);
        const html = D3Test.runTest(this.airportsCsvString, this.usData);
        const htmlHash = this.quickHash(html);
        this.lastResult = { html, htmlHash };
        this.totalHash ^= this.lastResult.htmlHash;
    }

    validate() {
        if (this.lastResult.html.length != EXPECTED_LAST_RESULT_LENGTH)
            throw new Error(`Expected this.lastResult.html.length to be ${EXPECTED_LAST_RESULT_LENGTH} but got ${this.lastResult.length}`);
        if (this.lastResult.htmlHash != EXPECTED_LAST_RESULT_HASH)
            throw new Error(`Expected this.lastResult.htmlHash to be ${EXPECTED_LAST_RESULT_HASH} but got ${this.lastResult.htmlHash}`);
    }
}