Luis Gonzalez
45 lines
1.1 KiB
C#
45 lines
1.1 KiB
C#
using NUnit.Framework;
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using Unity.Collections;
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using Rukhanka.Toolbox;
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/////////////////////////////////////////////////////////////////////////////////
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namespace Rukhanka.Tests
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{
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public class MathUtilsTest
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{
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[Test]
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public void ShuffleListTest()
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{
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var sz = 100;
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var srcArr = new NativeList<int>(128, Allocator.Temp);
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var refArr = new NativeList<int>(128, Allocator.Temp);
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var rr = new Unity.Mathematics.Random(123);
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for (int i = 0; i < sz; ++i)
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{
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var v = rr.NextInt() % sz * 2;
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srcArr.Add(v);
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refArr.Add(v);
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}
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var indexList = new NativeList<int>(srcArr.Length, Allocator.Temp);
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var shuffleList = new NativeList<int>(srcArr.Length, Allocator.Temp);
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for (int i = 0; i < sz; ++i) indexList.Add(i);
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while (!indexList.IsEmpty)
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{
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var index = (int)(rr.NextUInt() % indexList.Length);
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shuffleList.Add(indexList[index]);
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indexList.RemoveAt(index);
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}
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MathUtils.ShuffleArray(srcArr.AsArray().AsSpan(), shuffleList.AsArray());
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for (int i = 0; i < sz; ++i)
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{
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Assert.IsTrue(srcArr[i] == refArr[shuffleList[i]]);
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}
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}
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}
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} |