2024-09-05 16:57:28 +03:00
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using NUnit.Framework;
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2024-02-04 07:24:09 +03:00
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namespace DotRecast.Core.Test;
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public class RcHashCodesTest
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{
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[Test]
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public void TestCombineHashCodes()
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{
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Assert.That(RcHashCodes.CombineHashCodes(0, 0), Is.EqualTo(0));
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Assert.That(RcHashCodes.CombineHashCodes(int.MaxValue, int.MaxValue), Is.EqualTo(32));
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Assert.That(RcHashCodes.CombineHashCodes(int.MaxValue, int.MinValue), Is.EqualTo(-33));
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Assert.That(RcHashCodes.CombineHashCodes(int.MinValue, int.MinValue), Is.EqualTo(0));
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Assert.That(RcHashCodes.CombineHashCodes(int.MinValue, int.MaxValue), Is.EqualTo(-1));
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Assert.That(RcHashCodes.CombineHashCodes(int.MaxValue / 2, int.MaxValue / 2), Is.EqualTo(32));
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}
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[Test]
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public void TestIntHash()
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{
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Assert.That(RcHashCodes.WangHash(0), Is.EqualTo(4158654902));
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Assert.That(RcHashCodes.WangHash(1), Is.EqualTo(357654460));
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Assert.That(RcHashCodes.WangHash(2), Is.EqualTo(715307540));
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Assert.That(RcHashCodes.WangHash(3), Is.EqualTo(1072960876));
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Assert.That(RcHashCodes.WangHash(4), Is.EqualTo(1430614333));
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Assert.That(RcHashCodes.WangHash(5), Is.EqualTo(1788267159));
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Assert.That(RcHashCodes.WangHash(6), Is.EqualTo(2145921005));
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Assert.That(RcHashCodes.WangHash(7), Is.EqualTo(2503556531));
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Assert.That(RcHashCodes.WangHash(8), Is.EqualTo(2861226262));
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Assert.That(RcHashCodes.WangHash(9), Is.EqualTo(3218863982));
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Assert.That(RcHashCodes.WangHash(10), Is.EqualTo(3576533554));
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Assert.That(RcHashCodes.WangHash(11), Is.EqualTo(3934169234));
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//
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Assert.That(RcHashCodes.WangHash(int.MaxValue), Is.EqualTo(1755403298));
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Assert.That(RcHashCodes.WangHash(uint.MaxValue), Is.EqualTo(3971045735));
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}
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}
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