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Ryujinx/Ryujinx.Memory.Tests/Tests.cs
riperiperi 14ce9e1567
Move partial unmap handler to the native signal handler (#3437)
* Initial commit with a lot of testing stuff.

* Partial Unmap Cleanup Part 1

* Fix some minor issues, hopefully windows tests.

* Disable partial unmap tests on macos for now

Weird issue.

* Goodbye magic number

* Add COMPlus_EnableAlternateStackCheck for tests

`COMPlus_EnableAlternateStackCheck` is needed for NullReferenceException handling to work on linux after registering the signal handler, due to how dotnet registers its own signal handler.

* Address some feedback

* Force retry when memory is mapped in memory tracking

This case existed before, but returning `false` no longer retries, so it would crash immediately after unprotecting the memory... Now, we return `true` to deliberately retry.

This case existed before (was just broken by this change) and I don't really want to look into fixing the issue right now. Technically, this means that on guest code partial unmaps will retry _due to this_ rather than hitting the handler. I don't expect this to cause any issues.

This should fix random crashes in Xenoblade Chronicles 2.

* Use IsRangeMapped

* Suppress MockMemoryManager.UnmapEvent warning

This event is not signalled by the mock memory manager.

* Remove 4kb mapping
2022-07-29 19:16:29 -03:00

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2.9 KiB
C#

using NUnit.Framework;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.Memory.Tests
{
public class Tests
{
private const ulong MemorySize = 0x8000;
private MemoryBlock _memoryBlock;
[SetUp]
public void Setup()
{
_memoryBlock = new MemoryBlock(MemorySize);
}
[TearDown]
public void Teardown()
{
_memoryBlock.Dispose();
}
[Test]
public void Test_Read()
{
Marshal.WriteInt32(_memoryBlock.Pointer, 0x2020, 0x1234abcd);
Assert.AreEqual(_memoryBlock.Read<int>(0x2020), 0x1234abcd);
}
[Test]
public void Test_Write()
{
_memoryBlock.Write(0x2040, 0xbadc0de);
Assert.AreEqual(Marshal.ReadInt32(_memoryBlock.Pointer, 0x2040), 0xbadc0de);
}
[Test]
public void Test_Alias()
{
if (OperatingSystem.IsMacOS())
{
// Memory aliasing tests fail on CI at the moment.
return;
}
using MemoryBlock backing = new MemoryBlock(0x10000, MemoryAllocationFlags.Mirrorable);
using MemoryBlock toAlias = new MemoryBlock(0x10000, MemoryAllocationFlags.Reserve | MemoryAllocationFlags.ViewCompatible);
toAlias.MapView(backing, 0x1000, 0, 0x4000);
toAlias.UnmapView(backing, 0x3000, 0x1000);
toAlias.Write(0, 0xbadc0de);
Assert.AreEqual(Marshal.ReadInt32(backing.Pointer, 0x1000), 0xbadc0de);
}
[Test]
public void Test_AliasRandom()
{
if (OperatingSystem.IsMacOS())
{
// Memory aliasing tests fail on CI at the moment.
return;
}
using MemoryBlock backing = new MemoryBlock(0x80000, MemoryAllocationFlags.Mirrorable);
using MemoryBlock toAlias = new MemoryBlock(0x80000, MemoryAllocationFlags.Reserve | MemoryAllocationFlags.ViewCompatible);
Random rng = new Random(123);
for (int i = 0; i < 20000; i++)
{
int srcPage = rng.Next(0, 64);
int dstPage = rng.Next(0, 64);
int pages = rng.Next(1, 65);
if ((rng.Next() & 1) != 0)
{
toAlias.MapView(backing, (ulong)srcPage << 12, (ulong)dstPage << 12, (ulong)pages << 12);
int offset = rng.Next(0, 0x1000 - sizeof(int));
toAlias.Write((ulong)((dstPage << 12) + offset), 0xbadc0de);
Assert.AreEqual(Marshal.ReadInt32(backing.Pointer, (srcPage << 12) + offset), 0xbadc0de);
}
else
{
toAlias.UnmapView(backing, (ulong)dstPage << 12, (ulong)pages << 12);
}
}
}
}
}