87e354f583
Top-level GameMessage (UIQueue), not a GameEvent. Server sends after a stack merge / split to update count + value. Layout: opcode(4) + seq(1) + guid(4) + stackSize(4) + value(4) = 17 bytes. 3 tests: happy path, wrong opcode, truncated. Client consumer: ACCWeenieObject::ServerSaysSetStackSize. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
37 lines
1.2 KiB
C#
37 lines
1.2 KiB
C#
using System.Buffers.Binary;
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using AcDream.Core.Net.Messages;
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using Xunit;
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namespace AcDream.Core.Net.Tests.Messages;
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public sealed class SetStackSizeTests
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{
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private static byte[] Build(uint guid, int stackSize, int value, byte seq = 1, uint opcode = 0x0197u)
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{
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var b = new byte[17];
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BinaryPrimitives.WriteUInt32LittleEndian(b.AsSpan(0), opcode);
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b[4] = seq;
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BinaryPrimitives.WriteUInt32LittleEndian(b.AsSpan(5), guid);
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BinaryPrimitives.WriteInt32LittleEndian(b.AsSpan(9), stackSize);
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BinaryPrimitives.WriteInt32LittleEndian(b.AsSpan(13), value);
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return b;
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}
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[Fact]
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public void TryParse_validStack_returnsGuidStackValue()
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{
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var p = SetStackSize.TryParse(Build(0x50000A01u, stackSize: 25, value: 125));
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Assert.NotNull(p);
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Assert.Equal(0x50000A01u, p!.Value.Guid);
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Assert.Equal(25, p.Value.StackSize);
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Assert.Equal(125, p.Value.Value);
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}
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[Fact]
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public void TryParse_wrongOpcode_returnsNull()
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=> Assert.Null(SetStackSize.TryParse(Build(1, 1, 1, opcode: 0x0196u)));
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[Fact]
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public void TryParse_truncated_returnsNull()
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=> Assert.Null(SetStackSize.TryParse(new byte[16]));
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}
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