diff options
Diffstat (limited to 'Ryujinx.Memory.Tests/Tests.cs')
| -rw-r--r-- | Ryujinx.Memory.Tests/Tests.cs | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/Ryujinx.Memory.Tests/Tests.cs b/Ryujinx.Memory.Tests/Tests.cs index 0f5fcaf5..aa20c38a 100644 --- a/Ryujinx.Memory.Tests/Tests.cs +++ b/Ryujinx.Memory.Tests/Tests.cs @@ -1,5 +1,4 @@ using NUnit.Framework; -using Ryujinx.Memory; using System; using System.Runtime.InteropServices; @@ -38,5 +37,48 @@ namespace Ryujinx.Memory.Tests Assert.AreEqual(Marshal.ReadInt32(_memoryBlock.Pointer, 0x2040), 0xbadc0de); } + + [Test, Explicit] + public void Test_Alias() + { + 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, Explicit] + public void Test_AliasRandom() + { + 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); + } + } + } } }
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