37 lines
1.3 KiB
C#
37 lines
1.3 KiB
C#
using Age.Engine.Hosting;
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using Age.Engine.Model;
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using Age.Engine.Sys4;
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using Age.Engine.Vm;
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using Xunit;
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public class FrameYieldTests
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{
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private sealed class CountingHost : IHost
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{
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public long Yields;
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public void FrameYield() => Yields++;
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public void ShowText(int offset, string text) { }
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public void WaitForInput() { }
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public void Sleep(long duration) { }
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public void CreateTexture(int slot, int width, int height) { }
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public void SetTexture(long resourceId, int slot) { }
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public void DrawTexture(int slot, int sx, int sy, int w, int h, int dx, int dy) { }
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public (int Width, int Height) GetTextureSize(int slot) => (0, 0);
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public void PlayBgm(long id) { }
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public void PlayVoice(long id) { }
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}
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[Fact]
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[Trait("Category", "Workspace")]
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public void FrameYield_CalledOncePerStep()
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{
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var table = OpcodeTableJson.Load(Paths.OpcodesJson);
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var script = Sys4Loader.Load(Paths.Scripts()["INITCONFIG.BIN"], table);
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var host = new CountingHost();
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var vm = new VirtualMachine(script, table, host);
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vm.Run();
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Assert.True(vm.Steps > 0);
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Assert.Equal(vm.Steps, host.Yields); // exactly one FrameYield per executed opcode
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}
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}
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