698 lines
25 KiB
C#
698 lines
25 KiB
C#
using System.Reflection;
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using AcDream.App.Rendering;
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using AcDream.App.Update;
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using AcDream.App.World;
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namespace AcDream.App.Tests.World;
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public sealed class UpdateFrameOrchestratorTests
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{
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[Fact]
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public void Tick_PreservesTheCompleteAcceptedPhaseGraph()
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{
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var calls = new List<string>();
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UpdateFrameOrchestrator frame = Create(calls);
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frame.Tick(new UpdateFrameInput(1.0 / 60.0));
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Assert.Equal(
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[
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"teardown",
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"clock",
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"streaming",
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"input",
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"objects",
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"network",
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"commands",
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"ordinary-reconcile",
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"liveness",
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"teleport",
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"auto-entry",
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"camera",
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],
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calls);
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}
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[Fact]
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public void ConditionalReconciles_RemainAtTheirOwningEdges()
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{
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// Checkpoint A freezes only the outer ownership contract. Checkpoints
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// E and F must replace these probes with production teleport/camera
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// owner tests before the conditional edges can be claimed guarded.
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var calls = new List<string>();
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UpdateFrameOrchestrator frame = Create(
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calls,
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teleportPlace: true,
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inboundCreatedPlayer: true);
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frame.Tick(new UpdateFrameInput(1.0 / 60.0));
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Assert.Equal(
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[
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"teardown",
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"clock",
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"streaming",
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"input",
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"objects",
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"network",
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"commands",
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"ordinary-reconcile",
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"liveness",
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"teleport-place",
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"teleport-reconcile",
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"teleport-reveal",
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"auto-entry",
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"inbound-player-projection",
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"inbound-player-reconcile",
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"camera",
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],
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calls);
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}
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[Theory]
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[InlineData(double.NaN)]
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[InlineData(double.NegativeInfinity)]
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[InlineData(double.PositiveInfinity)]
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[InlineData(-1.0)]
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[InlineData(0.0)]
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[InlineData(double.MaxValue)]
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public void InvalidSimulationDelta_BecomesZeroWithoutSuppressingOuterPhases(
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double hostDelta)
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{
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var calls = new List<string>();
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var observed = new FrameObservations();
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UpdateFrameOrchestrator frame = Create(calls, observed: observed);
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frame.Tick(new UpdateFrameInput(hostDelta));
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Assert.Equal(
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[
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"teardown", "clock", "streaming", "input", "objects",
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"network", "commands", "ordinary-reconcile", "liveness",
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"teleport", "auto-entry", "camera",
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],
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calls);
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Assert.Equal([0.0], observed.PublishedTimes);
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Assert.Equal([0.0], observed.Input.Select(value => value.SimulationDeltaSeconds));
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Assert.Equal([0f], observed.LiveDeltas);
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Assert.Equal([0f], observed.TeleportDeltas);
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Assert.Equal([0.0], observed.Camera.Select(value => value.SimulationDeltaSeconds));
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Assert.All(
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observed.Input.Concat(observed.Camera),
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timing => Assert.Equal(0.0, timing.ScriptTime));
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}
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[Fact]
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public void Clock_AdvancesOnceAndPublishesTheSameTimeToEveryConsumer()
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{
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var calls = new List<string>();
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var observed = new FrameObservations();
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UpdateFrameOrchestrator frame = Create(calls, observed: observed);
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frame.Tick(new UpdateFrameInput(0.25));
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frame.Tick(new UpdateFrameInput(double.NaN));
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frame.Tick(new UpdateFrameInput(0.5));
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Assert.Equal([0.25, 0.25, 0.75], observed.PublishedTimes);
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Assert.Equal(
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[0.25, 0.25, 0.75],
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observed.Input.Select(value => value.ScriptTime));
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Assert.Equal(
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[0.25, 0.25, 0.75],
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observed.Camera.Select(value => value.ScriptTime));
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Assert.Equal([0.25f, 0f, 0.5f], observed.LiveDeltas);
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Assert.Equal([0.25f, 0f, 0.5f], observed.TeleportDeltas);
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Assert.Equal(
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[0.25, 0.0, 0.5],
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observed.Input.Select(value => value.SimulationDeltaSeconds));
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Assert.Equal(
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[0.25, 0.0, 0.5],
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observed.Camera.Select(value => value.SimulationDeltaSeconds));
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}
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[Fact]
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public void Clock_RejectsFiniteDeltaAboveTheSinglePrecisionConsumerRange()
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{
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double tooLarge = (double)float.MaxValue * 2.0;
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Assert.True(double.IsFinite(tooLarge));
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Assert.Equal(0.0, UpdateFrameClock.NormalizeDeltaSeconds(tooLarge));
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}
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[Fact]
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public void AggregateTeardownFailure_IsReportedAndRetriedNextFrame()
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{
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var calls = new List<string>();
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var teardown = new RecordingTeardown(calls)
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{
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Failure = new AggregateException(new InvalidOperationException("transient")),
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};
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var failures = new RecordingFailureSink();
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UpdateFrameOrchestrator frame = Create(
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calls,
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teardown: teardown,
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failureSink: failures);
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frame.Tick(new UpdateFrameInput(0.1));
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teardown.Failure = null;
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frame.Tick(new UpdateFrameInput(0.1));
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Assert.Equal(2, teardown.Attempts);
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Assert.Single(failures.Errors);
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string[] oneFrame =
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[
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"teardown", "clock", "streaming", "input", "objects", "network",
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"commands", "ordinary-reconcile", "liveness", "teleport",
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"auto-entry", "camera",
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];
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Assert.Equal(oneFrame.Concat(oneFrame), calls);
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}
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[Fact]
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public void NonAggregateTeardownFailure_PropagatesBeforeTimeOrLaterPhases()
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{
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var calls = new List<string>();
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var teardown = new RecordingTeardown(calls)
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{
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Failure = new InvalidOperationException("fatal"),
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};
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UpdateFrameOrchestrator frame = Create(calls, teardown: teardown);
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InvalidOperationException error = Assert.Throws<InvalidOperationException>(
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() => frame.Tick(new UpdateFrameInput(0.1)));
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Assert.Equal("fatal", error.Message);
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Assert.Equal(["teardown"], calls);
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}
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[Fact]
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public void OrchestrationTypes_UseOnlyTheExplicitTypedOwnerGraph()
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{
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Type[] expectedFieldTypes =
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[
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typeof(IUpdateFrameTeardownPhase),
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typeof(IUpdateFrameFailureSink),
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typeof(UpdateFrameClock),
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typeof(IUpdateFrameScriptClockPublisher),
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typeof(IStreamingFramePhase),
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typeof(IGameplayInputFramePhase),
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typeof(IRetailLiveFramePhase),
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typeof(ILiveEntityLivenessFramePhase),
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typeof(ILocalPlayerTeleportFramePhase),
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typeof(IPlayerModeAutoEntryFramePhase),
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typeof(ICameraFramePhase),
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];
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FieldInfo[] fields = typeof(UpdateFrameOrchestrator).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic);
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Assert.Equal(
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expectedFieldTypes.OrderBy(type => type.FullName),
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fields.Select(field => field.FieldType).OrderBy(type => type.FullName));
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Assert.All(fields, field =>
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{
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Assert.NotEqual(typeof(GameWindow), field.FieldType);
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Assert.False(typeof(Delegate).IsAssignableFrom(field.FieldType));
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});
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Type[] phaseInterfaces = expectedFieldTypes.Where(type => type.IsInterface).ToArray();
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Assert.DoesNotContain(
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phaseInterfaces,
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phaseInterface => phaseInterface.IsAssignableFrom(typeof(GameWindow)));
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Type[] productionPhaseOwners = typeof(GameWindow).Assembly.GetTypes()
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.Where(type => !type.IsAbstract && !type.IsInterface)
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.Where(type => phaseInterfaces.Any(contract => contract.IsAssignableFrom(type)))
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.ToArray();
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foreach (Type owner in productionPhaseOwners)
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{
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FieldInfo[] ownerFields = owner.GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic);
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Assert.DoesNotContain(ownerFields, field => field.FieldType == typeof(GameWindow));
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if (owner == typeof(AcDream.App.Input.RetailLocalPlayerFrameController))
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{
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// Checkpoint D replaced input capture with its typed owner.
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// Checkpoint F still owns the remaining player presentation
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// callback composition. No other phase owner may add one.
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Assert.Contains(
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ownerFields,
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field => typeof(Delegate).IsAssignableFrom(field.FieldType));
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Assert.DoesNotContain(
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ownerFields,
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field => field.FieldType == typeof(Func<AcDream.App.Input.MovementInput>));
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continue;
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}
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Assert.DoesNotContain(
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ownerFields,
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field => typeof(Delegate).IsAssignableFrom(field.FieldType));
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}
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Assert.DoesNotContain(
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typeof(GameWindow).GetFields(BindingFlags.Instance | BindingFlags.NonPublic),
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field => field.Name == "_physicsScriptGameTime");
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}
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[Fact]
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public void PhysicsScriptClockConsumers_RetainTheTypedSourceNotGameWindowClosures()
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{
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Type[] consumers =
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[
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typeof(DatLiveEntityProjectionMaterializer),
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typeof(AcDream.App.Physics.LiveEntityNetworkUpdateController),
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];
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foreach (Type consumer in consumers)
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{
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FieldInfo clock = Assert.Single(
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consumer.GetFields(BindingFlags.Instance | BindingFlags.NonPublic),
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field => field.Name == "_gameTime");
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Assert.Equal(typeof(IPhysicsScriptTimeSource), clock.FieldType);
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Assert.DoesNotContain(
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consumer.GetFields(BindingFlags.Instance | BindingFlags.NonPublic),
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field => field.FieldType == typeof(GameWindow));
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}
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Assert.False(typeof(IPhysicsScriptTimeSource).IsAssignableFrom(typeof(GameWindow)));
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}
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[Fact]
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public void ProductionFrame_PublishesPhysicsScriptTimeExactlyOnce()
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{
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string source = File.ReadAllText(Path.Combine(
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FindRepoRoot(),
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"src",
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"AcDream.App",
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"Rendering",
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"GameWindow.cs"));
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Assert.Equal(1, source.Split("PublishTime(", StringSplitOptions.None).Length - 1);
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}
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[Fact]
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public void ExtractedLiveObjectSource_PinsRetailAndRegisteredAdaptationOrder()
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{
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string source = File.ReadAllText(Path.Combine(
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FindRepoRoot(),
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"src",
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"AcDream.App",
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"Update",
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"LiveObjectFrameController.cs"));
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AssertAppearsInOrder(
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source,
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"_localPlayerFrame.AdvanceBeforeNetwork",
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"_selectionInteractions?.DrainOutbound",
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"_animations.Tick",
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"_staticAnimations.Tick",
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"_animationPresenter.Present",
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"_equippedChildren.Tick",
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"_staticAnimations.ProcessHooks",
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"_effects.Tick");
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AssertAppearsInOrder(
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source,
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"_translucencyFades.AdvanceAll",
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"_animationHooks.Drain",
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"_entityEffects.RefreshLiveOwnerPoses",
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"_particleSink.RefreshAttachedEmitters",
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"_lights.Refresh",
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"_particleVisibility.Apply",
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"_particles.Tick",
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"_scripts.Tick");
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AssertAppearsInOrder(
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source,
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"public void Reconcile()",
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"_entityEffects.RefreshLiveOwnerPoses",
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"_equippedChildren.Tick",
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"_particleSink.RefreshAttachedEmitters",
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"_lights.Refresh");
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Assert.Equal(1, CountOccurrences(source, "_staticAnimations.Tick("));
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Assert.Equal(1, CountOccurrences(source, "_staticAnimations.ProcessHooks("));
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Assert.Equal(1, CountOccurrences(source, "_effects.Tick("));
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Assert.Equal(1, CountOccurrences(source, "_particles.Tick("));
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Assert.Equal(1, CountOccurrences(source, "_scripts.Tick("));
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}
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[Fact]
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public void GameWindow_ComposesTheLiveFrameOwnersWithoutOwningTheirBodies()
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{
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string source = File.ReadAllText(Path.Combine(
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FindRepoRoot(),
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"src",
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"AcDream.App",
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"Rendering",
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"GameWindow.cs"));
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Assert.Contains("new AcDream.App.Update.LiveObjectFrameController(", source);
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Assert.Contains("new AcDream.App.Update.LiveSpatialPresentationReconciler(", source);
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Assert.Contains("new AcDream.App.World.RetailLiveFrameCoordinator(", source);
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Assert.DoesNotContain("AdvanceLiveObjectRuntime", source, StringComparison.Ordinal);
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Assert.DoesNotContain("ReconcileLiveObjectSpatialPresentation", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("ILiveAnimationPresentationContext", source,
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StringComparison.Ordinal);
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}
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[Fact]
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public void GameWindow_DelegatesTheCompleteStreamingFrameBody()
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{
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string source = File.ReadAllText(Path.Combine(
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FindRepoRoot(),
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"src",
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"AcDream.App",
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"Rendering",
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"GameWindow.cs"));
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Assert.Contains("new AcDream.App.Streaming.StreamingFrameController(", source);
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Assert.Equal(1, CountOccurrences(source, "_streamingFrame.Tick();"));
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AssertAppearsInOrder(
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source,
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"_streamingFrame.Tick();",
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"_gameplayInputFrame!.Tick(frameTiming);",
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"_liveFrameCoordinator.Tick(frameDelta);");
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Assert.DoesNotContain("_streamingController.Tick(observerCx", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("DungeonStreamingGate.Compute", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("DrainRescued()", source, StringComparison.Ordinal);
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}
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[Fact]
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public void GameWindow_DelegatesTheCompleteGameplayInputFrameBody()
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{
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string source = File.ReadAllText(Path.Combine(
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FindRepoRoot(),
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"src",
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"AcDream.App",
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"Rendering",
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"GameWindow.cs"));
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Assert.Contains("new AcDream.App.Input.GameplayInputFrameController(", source);
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Assert.Equal(1, CountOccurrences(source, "_gameplayInputFrame!.Tick(frameTiming);"));
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Assert.DoesNotContain("_inputDispatcher?.Tick()", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("TryTakeRawSample", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("_combatAttackController?.Tick()", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("CaptureMovementInput", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("EndMouseLookAndRestoreCursor", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("HideCursorForMouseLook", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("RestoreCursorAfterMouseLook", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("CanStartLiveCombatAttack", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("SendLiveCombatAttack", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("PreparePlayerForAttackRequest", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("DumpMovementTruthOutbound", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("DumpMovementTruthServerEcho", source,
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StringComparison.Ordinal);
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Assert.DoesNotContain("wantCaptureMouse: ()", source,
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StringComparison.Ordinal);
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Assert.Equal(5, CountOccurrences(
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source,
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"_gameplayInputFrame?.EndMouseLook();"));
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Assert.Contains(
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"new(\"mouse capture\", () => _gameplayInputFrame?.EndMouseLook())",
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source,
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StringComparison.Ordinal);
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AssertAppearsInOrder(
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source,
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"_teleportTransit.CanBegin(teleportSequence)",
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"_gameplayInputFrame?.EndMouseLook();",
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"_teleportTransit.QueueStart(teleportSequence)");
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AssertAppearsInOrder(
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source,
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"private void OnFocusChanged(bool focused)",
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"if (!focused)",
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"_gameplayInputFrame?.EndMouseLook();");
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}
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[Fact]
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public void GameplayInputOwnersUseTypedSeamsWithoutGameWindowBackReferences()
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{
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Type[] owners =
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[
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typeof(AcDream.App.Input.GameplayInputFrameController),
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typeof(AcDream.App.Input.DispatcherMovementInputSource),
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typeof(AcDream.App.Input.MouseLookController),
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];
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foreach (Type owner in owners)
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{
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FieldInfo[] fields = owner.GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic);
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Assert.DoesNotContain(fields, field => field.FieldType == typeof(GameWindow));
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Assert.DoesNotContain(
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fields,
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field => typeof(Delegate).IsAssignableFrom(field.FieldType));
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}
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Assert.DoesNotContain(
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typeof(AcDream.App.Input.MouseLookController).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic),
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field => field.FieldType == typeof(Silk.NET.Input.IMouse));
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FieldInfo combatOperations = Assert.Single(
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typeof(AcDream.App.Combat.CombatAttackController).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic),
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field => field.Name == "_operations");
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Assert.Equal(
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typeof(AcDream.App.Combat.ICombatAttackOperations),
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combatOperations.FieldType);
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Assert.DoesNotContain(
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typeof(AcDream.App.Combat.LiveCombatAttackOperations).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic),
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field => typeof(Delegate).IsAssignableFrom(field.FieldType));
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FieldInfo combatTargets = Assert.Single(
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typeof(AcDream.App.Combat.LiveCombatAttackOperations).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic),
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field => field.Name == "_targets");
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Assert.Equal(
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typeof(AcDream.App.Combat.ICombatAttackTargetSource),
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combatTargets.FieldType);
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Assert.DoesNotContain(
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typeof(AcDream.App.Combat.CombatAttackTargetSource).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic),
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field => typeof(Delegate).IsAssignableFrom(field.FieldType));
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Assert.DoesNotContain(
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typeof(AcDream.App.Combat.CombatAttackTargetSource).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic),
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field => field.FieldType
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== typeof(AcDream.App.Interaction.SelectionInteractionController));
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FieldInfo outboundDiagnostics = Assert.Single(
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typeof(AcDream.App.Input.LocalPlayerOutboundController).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic),
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field => field.Name == "_diagnostic");
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Assert.Equal(
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typeof(AcDream.App.Input.IMovementTruthDiagnosticSink),
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outboundDiagnostics.FieldType);
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Assert.DoesNotContain(
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typeof(AcDream.App.Input.MovementTruthDiagnosticController).GetFields(
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BindingFlags.Instance | BindingFlags.NonPublic),
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field => typeof(Delegate).IsAssignableFrom(field.FieldType));
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string mouseLookSource = File.ReadAllText(Path.Combine(
|
|
FindRepoRoot(),
|
|
"src",
|
|
"AcDream.App",
|
|
"Input",
|
|
"MouseLookController.cs"));
|
|
AssertAppearsInOrder(
|
|
mouseLookSource,
|
|
"controller?.StopMouseDrift",
|
|
"retail.FilterMouseDelta",
|
|
"_state.ApplyDelta");
|
|
|
|
string localPlayerSource = File.ReadAllText(Path.Combine(
|
|
FindRepoRoot(),
|
|
"src",
|
|
"AcDream.App",
|
|
"Input",
|
|
"RetailLocalPlayerFrameController.cs"));
|
|
Assert.DoesNotContain("Func<MovementInput>", localPlayerSource,
|
|
StringComparison.Ordinal);
|
|
Assert.Contains("IMovementInputSource", localPlayerSource,
|
|
StringComparison.Ordinal);
|
|
}
|
|
|
|
private static UpdateFrameOrchestrator Create(
|
|
List<string> calls,
|
|
RecordingTeardown? teardown = null,
|
|
RecordingFailureSink? failureSink = null,
|
|
FrameObservations? observed = null,
|
|
bool teleportPlace = false,
|
|
bool inboundCreatedPlayer = false)
|
|
{
|
|
teardown ??= new RecordingTeardown(calls);
|
|
failureSink ??= new RecordingFailureSink();
|
|
return new UpdateFrameOrchestrator(
|
|
teardown,
|
|
failureSink,
|
|
new UpdateFrameClock(),
|
|
new RecordingClockPublisher(calls, observed),
|
|
new RecordingStreaming(calls),
|
|
new RecordingInput(calls, observed),
|
|
new RecordingLiveFrame(calls, observed),
|
|
new RecordingLiveness(calls),
|
|
new RecordingTeleport(calls, observed, teleportPlace),
|
|
new RecordingAutoEntry(calls),
|
|
new RecordingCamera(calls, observed, inboundCreatedPlayer));
|
|
}
|
|
|
|
private sealed class RecordingTeardown(List<string> calls)
|
|
: IUpdateFrameTeardownPhase
|
|
{
|
|
public Exception? Failure { get; set; }
|
|
public int Attempts { get; private set; }
|
|
|
|
public void RetryPendingTeardowns()
|
|
{
|
|
calls.Add("teardown");
|
|
Attempts++;
|
|
if (Failure is not null)
|
|
throw Failure;
|
|
}
|
|
}
|
|
|
|
private sealed class RecordingFailureSink : IUpdateFrameFailureSink
|
|
{
|
|
public List<AggregateException> Errors { get; } = [];
|
|
public void ReportTeardownFailure(AggregateException error) => Errors.Add(error);
|
|
}
|
|
|
|
private sealed class RecordingClockPublisher(
|
|
List<string> calls,
|
|
FrameObservations? observed) : IUpdateFrameScriptClockPublisher
|
|
{
|
|
public void PublishTime(double scriptTime)
|
|
{
|
|
calls.Add("clock");
|
|
observed?.PublishedTimes.Add(scriptTime);
|
|
}
|
|
}
|
|
|
|
private sealed class RecordingStreaming(List<string> calls) : IStreamingFramePhase
|
|
{
|
|
public void Tick() => calls.Add("streaming");
|
|
}
|
|
|
|
private sealed class RecordingInput(
|
|
List<string> calls,
|
|
FrameObservations? observed) : IGameplayInputFramePhase
|
|
{
|
|
public void Tick(UpdateFrameTiming timing)
|
|
{
|
|
calls.Add("input");
|
|
observed?.Input.Add(timing);
|
|
}
|
|
}
|
|
|
|
private sealed class RecordingLiveFrame(
|
|
List<string> calls,
|
|
FrameObservations? observed) : IRetailLiveFramePhase
|
|
{
|
|
public void Tick(float deltaSeconds)
|
|
{
|
|
observed?.LiveDeltas.Add(deltaSeconds);
|
|
calls.Add("objects");
|
|
calls.Add("network");
|
|
calls.Add("commands");
|
|
calls.Add("ordinary-reconcile");
|
|
}
|
|
}
|
|
|
|
private sealed class RecordingLiveness(List<string> calls)
|
|
: ILiveEntityLivenessFramePhase
|
|
{
|
|
public void Tick() => calls.Add("liveness");
|
|
}
|
|
|
|
private sealed class RecordingTeleport(
|
|
List<string> calls,
|
|
FrameObservations? observed,
|
|
bool place)
|
|
: ILocalPlayerTeleportFramePhase
|
|
{
|
|
public void Tick(float deltaSeconds)
|
|
{
|
|
observed?.TeleportDeltas.Add(deltaSeconds);
|
|
if (!place)
|
|
{
|
|
calls.Add("teleport");
|
|
return;
|
|
}
|
|
|
|
calls.Add("teleport-place");
|
|
calls.Add("teleport-reconcile");
|
|
calls.Add("teleport-reveal");
|
|
}
|
|
}
|
|
|
|
private sealed class RecordingAutoEntry(List<string> calls)
|
|
: IPlayerModeAutoEntryFramePhase
|
|
{
|
|
public void TryEnter() => calls.Add("auto-entry");
|
|
}
|
|
|
|
private sealed class RecordingCamera(
|
|
List<string> calls,
|
|
FrameObservations? observed,
|
|
bool inboundCreatedPlayer) : ICameraFramePhase
|
|
{
|
|
public void Tick(UpdateFrameTiming timing)
|
|
{
|
|
if (inboundCreatedPlayer)
|
|
{
|
|
calls.Add("inbound-player-projection");
|
|
calls.Add("inbound-player-reconcile");
|
|
}
|
|
|
|
calls.Add("camera");
|
|
observed?.Camera.Add(timing);
|
|
}
|
|
}
|
|
|
|
private sealed class FrameObservations
|
|
{
|
|
public List<double> PublishedTimes { get; } = [];
|
|
public List<UpdateFrameTiming> Input { get; } = [];
|
|
public List<float> LiveDeltas { get; } = [];
|
|
public List<float> TeleportDeltas { get; } = [];
|
|
public List<UpdateFrameTiming> Camera { get; } = [];
|
|
}
|
|
|
|
private static string FindRepoRoot()
|
|
{
|
|
DirectoryInfo? directory = new(AppContext.BaseDirectory);
|
|
while (directory is not null)
|
|
{
|
|
if (File.Exists(Path.Combine(directory.FullName, "AcDream.slnx")))
|
|
return directory.FullName;
|
|
directory = directory.Parent;
|
|
}
|
|
|
|
throw new DirectoryNotFoundException("Could not find AcDream.slnx.");
|
|
}
|
|
|
|
private static void AssertAppearsInOrder(string source, params string[] markers)
|
|
{
|
|
int previous = -1;
|
|
foreach (string marker in markers)
|
|
{
|
|
int current = source.IndexOf(marker, previous + 1, StringComparison.Ordinal);
|
|
Assert.True(current >= 0, $"Missing source marker: {marker}");
|
|
Assert.True(current > previous, $"Out-of-order source marker: {marker}");
|
|
previous = current;
|
|
}
|
|
}
|
|
|
|
private static int CountOccurrences(string source, string marker) =>
|
|
source.Split(marker, StringSplitOptions.None).Length - 1;
|
|
}
|