PerformanceTests/RexBench/UniPoker/benchmark.js

/*
 * Copyright (C) 2017 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 */
"use strict";

class UniPokerBenchmark extends Benchmark {
    constructor(verbose = 0)
    {
        super(verbose);
        this._players = [];
    }

    setup()
    {
        Math.random = (function() {
            var seed = 49734321;
            return function() {
                // Robert Jenkins' 32 bit integer hash function.
                seed = ((seed + 0x7ed55d16) + (seed << 12))  & 0xffffffff;
                seed = ((seed ^ 0xc761c23c) ^ (seed >>> 19)) & 0xffffffff;
                seed = ((seed + 0x165667b1) + (seed << 5))   & 0xffffffff;
                seed = ((seed + 0xd3a2646c) ^ (seed << 9))   & 0xffffffff;
                seed = ((seed + 0xfd7046c5) + (seed << 3))   & 0xffffffff;
                seed = ((seed ^ 0xb55a4f09) ^ (seed >>> 16)) & 0xffffffff;
                return (seed & 0xfffffff) / 0x10000000;
            };
        })();

        this._players = [];
        this._players.push(new Player("Player 1"));
        this._players.push(new Player("Player 2"));
        this._players.push(new Player("Player 3"));
        this._players.push(new Player("Player 4"));
    }

    runOnce()
    {
        playHands(this._players);
    }

    validate()
    {
        if (this._players.length != playerExpectations.length)
            throw "Expect " + playerExpectations.length + ", but actually have " + this._players.length;

        for (let playerIdx = 0; playerIdx < playerExpectations.length; playerIdx++)
            playerExpectations[playerIdx].validate(this._players[playerIdx]);
    }
}