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[Tests] Match red-zone coverage to forward-only patching

This commit is contained in:
ParantezTech 2026-10-08 18:25:26 +03:00
parent dd6a936a12
commit d3f584a2f1
1 changed files with 10 additions and 5 deletions
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15
tests/SharpEmu.Libs.Tests/Loader/GuestRedZonePatcherTests.cs
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@ -190,10 +190,8 @@ public sealed class GuestRedZonePatcherTests
Assert.Equal(expected, ((delegate* unmanaged<ulong, ulong>)image.Base)(image.Base));
}
// Demon's Souls FUN_800ad8fe0: a two-byte AND whose successor is a branch
// target is patched by starting the span at the instruction before it.
[Fact]
public unsafe void PatchesShortAccessBeforeBranchTargetFromThePreviousInstruction()
public unsafe void LeavesShortAccessUnchangedWhenNextInstructionIsBranchTarget()
{
if (RuntimeInformation.ProcessArchitecture != Architecture.X64)
return;
@ -212,10 +210,17 @@ public sealed class GuestRedZonePatcherTests
];
using var image = PatchedImage.Create(function, [(0x2000, 7u)]);
Assert.Equal(0, image.Result.PatchedSites);
if (OperatingSystem.IsWindows() || OperatingSystem.IsMacOS())
{
Assert.Equal(1, image.Result.PatchedSites);
Assert.Equal(0xE9, image.ReadByte(22));
Assert.Equal(1, image.Result.RedZoneFunctions);
Assert.Equal(1, image.Result.UnrelocatableSites);
Assert.Equal(1, image.Result.BranchTargetRefusals);
}
for (var index = 0; index < function.Length; index++)
{
Assert.Equal(function[index], image.ReadByte((ulong)index));
}
Assert.Equal(0x1122_3344_5566_7788UL, ((delegate* unmanaged<ulong, ulong>)image.Base)(image.Base));