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https://github.com/Ryujinx/Ryujinx.git
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* Add test for UnmapView mapping leaks * Throw when UnmapView fails on Linux * Fix UnmapView * Remove throw
122 lines
3.8 KiB
C#
122 lines
3.8 KiB
C#
using NUnit.Framework;
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using System;
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using System.Runtime.InteropServices;
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namespace Ryujinx.Memory.Tests
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{
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public class Tests
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{
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private const ulong MemorySize = 0x8000;
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private MemoryBlock _memoryBlock;
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[SetUp]
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public void Setup()
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{
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_memoryBlock = new MemoryBlock(MemorySize);
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}
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[TearDown]
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public void Teardown()
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{
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_memoryBlock.Dispose();
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}
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[Test]
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public void Test_Read()
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{
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Marshal.WriteInt32(_memoryBlock.Pointer, 0x2020, 0x1234abcd);
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Assert.AreEqual(_memoryBlock.Read<int>(0x2020), 0x1234abcd);
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}
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[Test]
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public void Test_Write()
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{
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_memoryBlock.Write(0x2040, 0xbadc0de);
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Assert.AreEqual(Marshal.ReadInt32(_memoryBlock.Pointer, 0x2040), 0xbadc0de);
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}
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[Test]
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public void Test_Alias()
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{
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if (OperatingSystem.IsMacOS())
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{
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// Memory aliasing tests fail on CI at the moment.
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return;
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}
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using MemoryBlock backing = new MemoryBlock(0x10000, MemoryAllocationFlags.Mirrorable);
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using MemoryBlock toAlias = new MemoryBlock(0x10000, MemoryAllocationFlags.Reserve | MemoryAllocationFlags.ViewCompatible);
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toAlias.MapView(backing, 0x1000, 0, 0x4000);
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toAlias.UnmapView(backing, 0x3000, 0x1000);
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toAlias.Write(0, 0xbadc0de);
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Assert.AreEqual(Marshal.ReadInt32(backing.Pointer, 0x1000), 0xbadc0de);
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}
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[Test]
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public void Test_AliasRandom()
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{
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if (OperatingSystem.IsMacOS())
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{
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// Memory aliasing tests fail on CI at the moment.
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return;
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}
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using MemoryBlock backing = new MemoryBlock(0x80000, MemoryAllocationFlags.Mirrorable);
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using MemoryBlock toAlias = new MemoryBlock(0x80000, MemoryAllocationFlags.Reserve | MemoryAllocationFlags.ViewCompatible);
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Random rng = new Random(123);
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for (int i = 0; i < 20000; i++)
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{
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int srcPage = rng.Next(0, 64);
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int dstPage = rng.Next(0, 64);
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int pages = rng.Next(1, 65);
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if ((rng.Next() & 1) != 0)
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{
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toAlias.MapView(backing, (ulong)srcPage << 12, (ulong)dstPage << 12, (ulong)pages << 12);
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int offset = rng.Next(0, 0x1000 - sizeof(int));
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toAlias.Write((ulong)((dstPage << 12) + offset), 0xbadc0de);
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Assert.AreEqual(Marshal.ReadInt32(backing.Pointer, (srcPage << 12) + offset), 0xbadc0de);
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}
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else
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{
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toAlias.UnmapView(backing, (ulong)dstPage << 12, (ulong)pages << 12);
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}
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}
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}
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[Test]
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public void Test_AliasMapLeak()
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{
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if (OperatingSystem.IsMacOS())
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{
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// Memory aliasing tests fail on CI at the moment.
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return;
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}
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ulong pageSize = 4096;
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ulong size = 100000 * pageSize; // The mappings limit on Linux is usually around 65K, so let's make sure we are above that.
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using MemoryBlock backing = new MemoryBlock(pageSize, MemoryAllocationFlags.Mirrorable);
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using MemoryBlock toAlias = new MemoryBlock(size, MemoryAllocationFlags.Reserve | MemoryAllocationFlags.ViewCompatible);
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for (ulong offset = 0; offset < size; offset += pageSize)
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{
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toAlias.MapView(backing, 0, offset, pageSize);
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toAlias.Write(offset, 0xbadc0de);
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Assert.AreEqual(0xbadc0de, backing.Read<int>(0));
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toAlias.UnmapView(backing, offset, pageSize);
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}
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}
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}
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} |