revert: restore state before huge regression

2026-07-31 23:19:44 +08:00 · 2026-07-23 16:03:45 +03:00
parent 5a08a9bb43
commit 6db095ec82
39 changed files with 230 additions and 4186 deletions
@@ -1,86 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using System.Buffers.Binary;
-using SharpEmu.HLE;
-using SharpEmu.Libs.Audio;
-using Xunit;
-
-namespace SharpEmu.Libs.Tests.Audio;
-
-public sealed class AudioOut2PortGetStateExportsTests
-{
-    private const ulong MemoryBase = 0x1_0000_0000;
-    private const ulong StateAddress = MemoryBase + 0x100;
-
-    private static CpuContext CreateContext(out FakeCpuMemory memory)
-    {
-        memory = new FakeCpuMemory(MemoryBase, 0x1000);
-        return new CpuContext(memory, Generation.Gen5);
-    }
-
-    [Fact]
-    public void PortGetState_WritesFixedSizeIgnoringPollutedR9()
-    {
-        var ctx = CreateContext(out var memory);
-        // Paint the buffer so we can see the write footprint.
-        Span<byte> paint = stackalloc byte[0x100];
-        paint.Fill(0xAB);
-        Assert.True(memory.TryWrite(StateAddress, paint));
-
-        ctx[CpuRegister.Rdi] = 0xDE1FF6800001UL;
-        ctx[CpuRegister.Rsi] = StateAddress;
-        ctx[CpuRegister.Rdx] = StateAddress + 0x200;
-        // Polluted GetSize leftover — must NOT enlarge the write.
-        ctx[CpuRegister.R9] = 0x180;
-
-        var result = AudioOut2Exports.AudioOut2PortGetState(ctx);
-
-        Assert.Equal(0, result);
-        Span<byte> state = stackalloc byte[0x100];
-        Assert.True(memory.TryRead(StateAddress, state));
-        Assert.Equal(1, BinaryPrimitives.ReadUInt16LittleEndian(state));
-        Assert.Equal(2, state[2]);
-        // Bytes past the fixed 0x20 header must remain untouched.
-        Assert.Equal(0xAB, state[0x20]);
-        Assert.Equal(0xAB, state[0x7F]);
-    }
-
-    [Fact]
-    public void PortGetState_SkipsGuestStackOutBuffer()
-    {
-        var ctx = CreateContext(out _);
-        const ulong stackOut = 0x00007FFFDE1FF688UL;
-        ctx[CpuRegister.Rdi] = 0xDE1FF688004DUL;
-        ctx[CpuRegister.Rsi] = stackOut;
-        ctx[CpuRegister.Rdx] = 0;
-
-        var result = AudioOut2Exports.AudioOut2PortGetState(ctx);
-
-        Assert.Equal(0, result);
-    }
-
-    [Fact]
-    public void GetSpeakerInfo_WritesFixedSizeToRdiNotRsiTypeFlag()
-    {
-        var ctx = CreateContext(out var memory);
-        Span<byte> paint = stackalloc byte[0x80];
-        paint.Fill(0xCD);
-        Assert.True(memory.TryWrite(StateAddress, paint));
-
-        ctx[CpuRegister.Rdi] = StateAddress;
-        ctx[CpuRegister.Rsi] = 1;
-        ctx[CpuRegister.Rdx] = StateAddress + 0x200;
-        ctx[CpuRegister.R8] = 0x840;
-        ctx[CpuRegister.R9] = 0x10C;
-
-        var result = AudioOut2Exports.AudioOut2GetSpeakerInfo(ctx);
-
-        Assert.Equal(0, result);
-        Span<byte> info = stackalloc byte[0x80];
-        Assert.True(memory.TryRead(StateAddress, info));
-        Assert.Equal(2u, BinaryPrimitives.ReadUInt32LittleEndian(info));
-        Assert.Equal(48000u, BinaryPrimitives.ReadUInt32LittleEndian(info[4..]));
-        Assert.Equal(0xCD, info[0x20]);
-    }
-}