75 lines
2.4 KiB
C#
75 lines
2.4 KiB
C#
// Copyright (C) 2026 SharpEmu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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using SharpEmu.HLE;
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using SharpEmu.Libs.SystemService;
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using System.Buffers.Binary;
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using Xunit;
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namespace SharpEmu.Libs.Tests.SystemService;
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public sealed class SystemServiceExportsTests
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{
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private const ulong MemoryBase = 0x1_0000_0000;
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public SystemServiceExportsTests()
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{
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SystemServiceExports.ResetForTests();
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}
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[Fact]
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public void GetNoticeScreenSkipFlagWritesOneByteAtMemoryBoundary()
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{
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var memory = new FakeCpuMemory(MemoryBase, 1);
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var context = new CpuContext(memory, Generation.Gen5);
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Assert.True(memory.TryWrite(MemoryBase, new byte[] { 0xA5 }));
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context[CpuRegister.Rdi] = MemoryBase;
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Assert.Equal(0, SystemServiceExports.SystemServiceGetNoticeScreenSkipFlag(context));
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Assert.Equal(0UL, context[CpuRegister.Rax]);
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Span<byte> flag = stackalloc byte[1];
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Assert.True(memory.TryRead(MemoryBase, flag));
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Assert.Equal(0, flag[0]);
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}
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[Fact]
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public void SetNoticeScreenSkipFlagRoundTripsThroughGetter()
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{
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var memory = new FakeCpuMemory(MemoryBase, 2);
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var context = new CpuContext(memory, Generation.Gen5)
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{
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[CpuRegister.Rdi] = 1,
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};
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Assert.Equal(0, SystemServiceExports.SystemServiceSetNoticeScreenSkipFlag(context));
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context[CpuRegister.Rdi] = MemoryBase;
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Assert.Equal(0, SystemServiceExports.SystemServiceGetNoticeScreenSkipFlag(context));
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Span<byte> flag = stackalloc byte[1];
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Assert.True(memory.TryRead(MemoryBase, flag));
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Assert.Equal(1, flag[0]);
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}
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[Theory]
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[InlineData(1)]
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[InlineData(400)]
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public void ParamGetIntReturnsConfiguredSystemLanguage(int parameterId)
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{
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var memory = new FakeCpuMemory(MemoryBase, sizeof(int));
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var context = new CpuContext(memory, Generation.Gen5)
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{
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[CpuRegister.Rdi] = unchecked((ulong)parameterId),
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[CpuRegister.Rsi] = MemoryBase,
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};
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SystemServiceExports.ConfigureApplicationInfo(null, 19);
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Assert.Equal(0, SystemServiceExports.SystemServiceParamGetInt(context));
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Span<byte> value = stackalloc byte[sizeof(int)];
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Assert.True(memory.TryRead(MemoryBase, value));
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Assert.Equal(19, BinaryPrimitives.ReadInt32LittleEndian(value));
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}
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}
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