96 lines
3.6 KiB
C#
96 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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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 CoreScalarAndScreenTransitionOpsTests
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{
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private const int Imm = 0, GlobalInt = 3, LocalInt = 9;
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[Fact]
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public void ZeroIntRange_ClearsEveryConsecutiveDestinationCell()
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{
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var table = OpcodeTableJson.Load(Paths.OpcodesJson);
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(int, Operand[]) Mov(int address, long value)
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=> (0x55, new[] { new Operand(GlobalInt, address), new Operand(Imm, value) });
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var ops = new List<(int, Operand[])>
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{
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Mov(0x2e49, 7), Mov(0x2e4a, 8), Mov(0x2e4b, 9),
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(0x6c, new[] { new Operand(GlobalInt, 0x2e49), new Operand(Imm, 3) }),
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(0x2, Array.Empty<Operand>()),
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};
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var vm = new VirtualMachine(ScriptAssembler.Assemble(table, "ZERO_RANGE", ops, Array.Empty<string>()), table,
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new RecordingHost());
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vm.Run();
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Assert.All(Enumerable.Range(0x2e49, 3), address => Assert.Equal(0, vm.Globals[address]));
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}
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[Fact]
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public void RandomModulo_WritesAValueInsideTheNativeRange()
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{
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var table = OpcodeTableJson.Load(Paths.OpcodesJson);
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var ops = new List<(int, Operand[])>
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{
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(0x60, new[] { new Operand(LocalInt, 0), new Operand(Imm, 4) }),
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(0x55, new[] { new Operand(GlobalInt, 0x100), new Operand(LocalInt, 0) }),
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(0x2, Array.Empty<Operand>()),
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};
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var vm = new VirtualMachine(ScriptAssembler.Assemble(table, "RANDOM_MODULO", ops, Array.Empty<string>()), table,
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new RecordingHost());
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vm.Run();
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Assert.InRange(vm.Globals[0x100], 0, 3);
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}
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[Fact]
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public void BlackSurfaceFades_ForwardCapturedSlotTimingAndDirection()
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{
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var table = OpcodeTableJson.Load(Paths.OpcodesJson);
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var script = ScriptAssembler.Assemble(table, "SURFACE_BLACK_FADES", new List<(int, Operand[])>
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{
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(0x21, new[] { new Operand(Imm, 1), new Operand(Imm, 30) }),
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(0x22, new[] { new Operand(Imm, 2), new Operand(Imm, 65) }),
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(0x2, Array.Empty<Operand>()),
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}, Array.Empty<string>());
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var host = new RecordingHost();
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new VirtualMachine(script, table, host).Run();
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Assert.Equal(
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new[]
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{
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(1, 30L, SurfaceBlackFadeDirection.FromBlack),
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(2, 65L, SurfaceBlackFadeDirection.ToBlack),
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},
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host.SurfaceBlackFades);
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Assert.Equal(480, LegacyScreenTransitionTiming.DurationMilliseconds(30));
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Assert.Equal(1024, LegacyScreenTransitionTiming.DurationMilliseconds(65));
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}
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[Fact]
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public void CrossfadeSurfaces_ForwardsBothCapturedSlotsAndTimingArgument()
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{
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var table = OpcodeTableJson.Load(Paths.OpcodesJson);
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var script = ScriptAssembler.Assemble(table, "SURFACE_CROSSFADE", new List<(int, Operand[])>
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{
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(0x25, new[] { new Operand(Imm, 1), new Operand(Imm, 2), new Operand(Imm, 10) }),
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(0x2, Array.Empty<Operand>()),
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}, Array.Empty<string>());
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var host = new RecordingHost();
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new VirtualMachine(script, table, host).Run();
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Assert.Equal((1, 2, 10L), Assert.Single(host.SurfaceCrossfades));
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Assert.Equal(160, LegacyScreenTransitionTiming.DurationMilliseconds(10));
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Assert.Equal(480, LegacyScreenTransitionTiming.DurationMilliseconds(30));
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Assert.Equal(1024, LegacyScreenTransitionTiming.DurationMilliseconds(65));
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}
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}
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