45 lines
1.3 KiB
C#
45 lines
1.3 KiB
C#
using NUnit.Framework;
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using Unity.Collections.LowLevel.Unsafe;
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using Unity.Collections.Tests;
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internal class UnsafeCounterTests
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{
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[Test]
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public unsafe void UnsafeAtomicCounter32_AddSub()
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{
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int value = 0;
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var counter = new UnsafeAtomicCounter32(&value);
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Assert.AreEqual(0, counter.Add(123));
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Assert.AreEqual(123, counter.Add(0));
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Assert.AreEqual(123, counter.Sub(0));
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Assert.AreEqual(123, counter.AddSat(1, 123));
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Assert.AreEqual(123, counter.SubSat(1, 123));
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counter.AddSat(0xffff, 256);
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Assert.AreEqual(256, counter.Add(0));
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counter.SubSat(0xffff, -256);
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Assert.AreEqual(-256, counter.Add(0));
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}
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[Test]
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public unsafe void UnsafeAtomicCounter64_AddSub()
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{
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long value = 0;
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var counter = new UnsafeAtomicCounter64(&value);
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Assert.AreEqual(0, counter.Add(123));
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Assert.AreEqual(123, counter.Add(0));
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Assert.AreEqual(123, counter.Sub(0));
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Assert.AreEqual(123, counter.AddSat(1, 123));
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Assert.AreEqual(123, counter.SubSat(1, 123));
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counter.AddSat(0xffff, 256);
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Assert.AreEqual(256, counter.Add(0));
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counter.SubSat(0xffff, -256);
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Assert.AreEqual(-256, counter.Add(0));
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}
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}
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