test: replace runtime root source freezes
This commit is contained in:
Erik
parent
80c7b44457
commit
3c492aedc2
4 changed files with 248 additions and 220 deletions
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@ -5,6 +5,10 @@ namespace AcDream.App.Tests.Architecture;
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internal readonly record struct CompiledCall(int Offset, MethodBase Target);
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internal readonly record struct CompiledInstruction(int Offset, OpCode OpCode);
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internal readonly record struct CompiledFieldReference(
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int Offset,
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OpCode OpCode,
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FieldInfo Field);
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/// <summary>
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/// Reads compiled call/new-object edges from a method body. Architecture tests
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@ -96,6 +100,52 @@ internal static class CompiledCallGraph
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return instructions;
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}
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/// <summary>
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/// Reads compiled field loads and stores with their instruction offsets.
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/// This supports lifetime/state-order checks whose observable contract is
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/// a latch edge rather than a source spelling.
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/// </summary>
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public static IReadOnlyList<CompiledFieldReference> ReadFieldReferences(
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MethodBase method)
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{
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ArgumentNullException.ThrowIfNull(method);
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byte[] il = method.GetMethodBody()?.GetILAsByteArray()
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?? throw new InvalidOperationException(
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$"{method.DeclaringType?.FullName}.{method.Name} has no compiled body.");
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Type[]? declaringArguments = method.DeclaringType?.IsGenericType == true
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? method.DeclaringType.GetGenericArguments()
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: null;
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Type[]? methodArguments = method.IsGenericMethod
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? method.GetGenericArguments()
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: null;
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var references = new List<CompiledFieldReference>();
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for (int cursor = 0; cursor < il.Length;)
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{
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int instructionOffset = cursor;
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OpCode opCode = ReadOpCode(il, ref cursor);
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if (opCode.OperandType == OperandType.InlineField)
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{
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int token = BitConverter.ToInt32(il, cursor);
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FieldInfo? field = method.Module.ResolveField(
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token,
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declaringArguments,
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methodArguments);
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if (field is not null)
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{
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references.Add(new CompiledFieldReference(
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instructionOffset,
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opCode,
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field));
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}
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}
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cursor += OperandSize(opCode.OperandType, il, cursor);
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}
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return references;
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}
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/// <summary>
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/// Reads types named by compiled type operands such as casts, boxing, and
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/// <c>isinst</c>. This lets tests retain an exact type boundary without
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@ -1,6 +1,7 @@
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using System.Reflection;
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using AcDream.App.Rendering;
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using AcDream.App.Net;
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using AcDream.App.Rendering;
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using AcDream.App.Tests.Architecture;
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using AcDream.Core.Net;
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using AcDream.Runtime;
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using AcDream.Runtime.Session;
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@ -61,43 +62,34 @@ public sealed class GameWindowLiveSessionOwnershipTests
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[Fact]
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public void ProductionWindowConstructsOnlyTheCanonicalRuntimeRoot()
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{
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string root = FindRepositoryRoot();
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string source = File.ReadAllText(Path.Combine(
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root,
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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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IReadOnlyList<CompiledCall> calls =
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CompiledCallGraph.ReadDeclared(typeof(GameWindow));
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Assert.Equal(
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1,
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CountOccurrences(source, "new GameRuntime("));
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Assert.Contains(
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"private readonly GameRuntime _runtime;",
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source,
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StringComparison.Ordinal);
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Assert.Contains(
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"_runtimeHostLease = _runtime.AcquireHostLease(",
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source,
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StringComparison.Ordinal);
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string[] forbidden =
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Assert.Single(
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calls,
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call => call.Target.DeclaringType == typeof(GameRuntime)
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&& call.Target.IsConstructor);
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Assert.Single(
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calls,
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call => call.Target.DeclaringType == typeof(GameRuntime)
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&& call.Target.Name == nameof(GameRuntime.AcquireHostLease));
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HashSet<string> forbiddenRuntimeRoots =
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[
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"new RuntimeEntityObjectLifetime(",
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"new RuntimeInventoryState(",
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"new RuntimeCharacterState(",
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"new RuntimeCommunicationState(",
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"new RuntimeActionState(",
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"new RuntimeLocalPlayerMovementState(",
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"new RuntimeWorldTransitState(",
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"new LiveSessionController(",
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"new GameRuntimeClock(",
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"RuntimeEntityObjectLifetime",
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"RuntimeInventoryState",
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"RuntimeCharacterState",
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"RuntimeCommunicationState",
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"RuntimeActionState",
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"RuntimeLocalPlayerMovementState",
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"RuntimeWorldTransitState",
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nameof(LiveSessionController),
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"GameRuntimeClock",
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];
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Assert.All(
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forbidden,
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value => Assert.DoesNotContain(
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value,
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source,
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StringComparison.Ordinal));
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Assert.DoesNotContain(
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calls,
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call => call.Target.IsConstructor
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&& call.Target.DeclaringType is { } type
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&& forbiddenRuntimeRoots.Contains(type.Name));
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}
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[Fact]
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@ -110,14 +102,12 @@ public sealed class GameWindowLiveSessionOwnershipTests
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// gated command route. A second construction site anywhere under
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// src/AcDream.App would silently split that route into two, each
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// with its own activation/dispose lifecycle.
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string root = FindRepositoryRoot();
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string appRoot = Path.Combine(root, "src", "AcDream.App");
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int total = Directory
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.EnumerateFiles(appRoot, "*.cs", SearchOption.AllDirectories)
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.Sum(path => CountOccurrences(
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File.ReadAllText(path),
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"new LiveSessionCommandSurface("));
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int total = typeof(GameWindow).Assembly
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.GetTypes()
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.SelectMany(CompiledCallGraph.ReadDeclared)
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.Count(call => call.Target.DeclaringType
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== typeof(LiveSessionCommandSurface)
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&& call.Target.IsConstructor);
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Assert.Equal(1, total);
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}
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@ -142,17 +132,11 @@ public sealed class GameWindowLiveSessionOwnershipTests
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/// (the App-layer wiring that forwards those two Runtime events to
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/// <c>SessionStatusWriter</c>, feeding the launcher's status-payload
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/// cycle) leaves every test suite green. <c>LiveSessionRuntimeFactory</c>
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/// has exactly one production construction site
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/// (<c>SessionPlayerComposition.cs</c>), buried inside the full
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/// <c>GameWindow</c> composition graph, and no test in this repository
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/// constructs it directly — there is no practical seam to exercise the
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/// wiring behaviorally without a <see cref="GameWindow"/>. This test
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/// follows the SAME source-text-pin pattern the rest of this file
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/// already uses for wiring that can't otherwise be unit-tested
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/// (<see cref="ProductionWindowConstructsOnlyTheCanonicalRuntimeRoot"/>,
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/// <see cref="DisplacedLifecycleBodiesAreAbsent"/>): it fails if either
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/// delegate assignment is removed or its argument mapping changes. The
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/// exact PAYLOAD shape these calls must produce is pinned separately,
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/// has exactly one production construction site, buried inside the full
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/// <c>GameWindow</c> composition graph. The compiled delegate targets are
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/// therefore the narrowest non-mutating seam for proving both bindings and
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/// their argument maps without opening a real graphical session. The exact
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/// payload shape these calls must produce is pinned separately,
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/// at <c>SessionStatusWriterTests.CharacterCreatedAndCreationFailed_WriteThePinnedShape</c>
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/// (<c>tests/AcDream.Runtime.Tests/Session/SessionStatusWriterTests.cs</c>)
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/// — together the two tests cover "the delegates are bound" (here) and
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@ -161,69 +145,57 @@ public sealed class GameWindowLiveSessionOwnershipTests
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[Fact]
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public void LiveSessionRuntimeFactoryBindsCharacterCreatedAndCreationFailedToTheStatusWriter()
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{
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string root = FindRepositoryRoot();
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string source = File.ReadAllText(Path.Combine(
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root,
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"src",
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"AcDream.App",
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"Net",
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"LiveSessionRuntimeFactory.cs"));
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MethodInfo create = typeof(LiveSessionRuntimeFactory).GetMethod(
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nameof(LiveSessionRuntimeFactory.Create))!;
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MethodBase[] targets = CompiledCallGraph.ReadMethodReferences(create)
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.Select(call => call.Target)
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.Where(method => method.GetMethodBody() is not null)
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.Distinct()
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.ToArray();
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MethodBase created = Assert.Single(
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targets,
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target => CallsStatusWriter(target, nameof(SessionStatusWriter.CharacterCreated)));
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MethodBase failed = Assert.Single(
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targets,
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target => CallsStatusWriter(target, nameof(SessionStatusWriter.CreationFailed)));
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Assert.Contains(
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"CharacterCreated: identity => _statusWriter.CharacterCreated(",
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source,
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StringComparison.Ordinal);
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created.GetParameters(),
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parameter => parameter.ParameterType
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== typeof(RuntimeCharacterCreationIdentity));
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AssertCallOrder(
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created,
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(typeof(RuntimeCharacterCreationIdentity), "get_Guid"),
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(typeof(RuntimeCharacterCreationIdentity), "get_Name"),
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(typeof(SessionStatusWriter), nameof(SessionStatusWriter.CharacterCreated)));
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Assert.Contains(
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"identity.Guid,",
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source,
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StringComparison.Ordinal);
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Assert.Contains(
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"identity.Name),",
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source,
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StringComparison.Ordinal);
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Assert.Contains(
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"CreationFailed: rejection => _statusWriter.CreationFailed(",
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source,
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StringComparison.Ordinal);
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Assert.Contains(
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"rejection.RawCode,",
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source,
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StringComparison.Ordinal);
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Assert.Contains(
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"rejection.Reason,",
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source,
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StringComparison.Ordinal);
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Assert.Contains(
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"rejection.AttemptedName)),",
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source,
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StringComparison.Ordinal);
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failed.GetParameters(),
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parameter => parameter.ParameterType
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== typeof(RuntimeCharacterCreationRejection));
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AssertCallOrder(
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failed,
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(typeof(RuntimeCharacterCreationRejection), "get_RawCode"),
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(typeof(RuntimeCharacterCreationRejection), "get_Reason"),
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(typeof(RuntimeCharacterCreationRejection), "get_AttemptedName"),
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(typeof(SessionStatusWriter), nameof(SessionStatusWriter.CreationFailed)));
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}
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private static int CountOccurrences(string source, string value)
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{
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int count = 0;
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int cursor = 0;
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while ((cursor = source.IndexOf(
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value,
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cursor,
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StringComparison.Ordinal)) >= 0)
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{
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count++;
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cursor += value.Length;
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}
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return count;
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}
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private static bool CallsStatusWriter(MethodBase method, string methodName) =>
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CompiledCallGraph.Read(method).Any(call =>
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call.Target.DeclaringType == typeof(SessionStatusWriter)
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&& call.Target.Name == methodName);
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private static string FindRepositoryRoot()
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private static void AssertCallOrder(
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MethodBase method,
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params (Type Type, string Method)[] expected)
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{
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var current = new DirectoryInfo(AppContext.BaseDirectory);
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while (current is not null)
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IReadOnlyList<CompiledCall> calls = CompiledCallGraph.Read(method);
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int cursor = -1;
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foreach ((Type type, string name) in expected)
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{
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if (File.Exists(Path.Combine(current.FullName, "AcDream.slnx")))
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return current.FullName;
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current = current.Parent;
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int found = CompiledCallGraph.IndexOf(calls, type, name, cursor + 1);
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Assert.True(found > cursor, $"Missing compiled edge {type.FullName}.{name}.");
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cursor = found;
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}
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throw new DirectoryNotFoundException("AcDream.slnx was not found.");
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}
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}
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@ -1,139 +1,109 @@
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using System.Reflection;
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using System.Reflection.Emit;
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using AcDream.App.Rendering;
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using AcDream.App.Tests.Architecture;
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using AcDream.Runtime.Session;
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using Silk.NET.Windowing;
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namespace AcDream.App.Tests.Rendering;
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/// <summary>
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/// Fix #406: before this change, <c>GameWindow.CompleteShutdown</c> wrote
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/// a hardcoded <c>exited{code:0,reason:"graceful"}</c> status event
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/// whenever the resource-shutdown transaction converged — even when
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/// <c>Dispose()</c> (and therefore <c>CompleteShutdown</c>) ran mid-unwind
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/// of an exception that escaped <c>Run()</c>'s Silk.NET frame loop and was
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/// about to crash the process via the CLR's unhandled-exception path.
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/// <c>GameWindow</c> cannot be constructed without a live GPU/window (see
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/// the established pattern in <c>GameWindowHostBoundaryTests</c>), so
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/// this pins the fix as a source-shape test exactly like that file does
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/// for the surrounding shutdown machinery.
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/// Fix #406: shutdown must not report a graceful exit while an exception from
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/// the native frame loop is still unwinding. These checks inspect compiled
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/// latch and status edges because constructing <see cref="GameWindow"/> would
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/// require a real GPU/window.
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/// </summary>
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public sealed class GameWindowCrashStatusTests
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{
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[Fact]
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public void Run_LatchesRunFailureBeforeRethrowingFromTheFrameLoopCatch()
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{
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string body = MethodBody(
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"public void Run()",
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"void IGameWindowPlatformPublication<GameWindowGraphics, IInputContext>.PublishGraphics(");
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string tryBlock = Slice(body, "try\n {\n _window.Run();", "}\n }");
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MethodInfo run = RequiredMethod(nameof(GameWindow.Run));
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IReadOnlyList<CompiledCall> calls = CompiledCallGraph.Read(run);
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CompiledCall frameLoop = Assert.Single(
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calls,
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call => call.Target.Name == nameof(IWindow.Run)
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&& call.Target.DeclaringType?.Namespace == "Silk.NET.Windowing");
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CompiledCall retain = Assert.Single(
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calls,
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call => call.Target.DeclaringType
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== typeof(ResourceConstructionCleanupLedger)
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&& call.Target.Name
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== nameof(ResourceConstructionCleanupLedger.RetainFrom));
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CompiledFieldReference latch = Assert.Single(
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CompiledCallGraph.ReadFieldReferences(run),
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field => field.Field.Name == "_runFailure"
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&& field.OpCode == OpCodes.Stfld);
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CompiledInstruction rethrow = Assert.Single(
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CompiledCallGraph.ReadInstructions(run),
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instruction => instruction.OpCode == OpCodes.Rethrow);
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AssertAppearsInOrder(
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tryBlock,
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"_window.Run();",
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"catch (Exception failure)",
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"_constructionCleanup.RetainFrom(failure);",
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// The latch MUST happen before the rethrow: Dispose() (and
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// therefore CompleteShutdown/ReportExited) can run mid-unwind
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// of this exact exception, via Program.cs's
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// `using var window = ...`.
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"_runFailure = failure;",
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"throw;");
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Assert.True(frameLoop.Offset < retain.Offset);
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Assert.True(retain.Offset < latch.Offset);
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Assert.True(latch.Offset < rethrow.Offset);
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}
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[Fact]
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public void ReportExited_ChecksRunFailureBeforeEitherGracefulOrShutdownIncompletePaths()
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{
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string source = GameWindowSource();
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string reportExited = Slice(
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source,
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"private void ReportExited(GameWindowLifetimeReport report)",
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"\n }\n");
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MethodInfo reportExited = RequiredMethod("ReportExited");
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IReadOnlyList<CompiledCall> calls = CompiledCallGraph.Read(reportExited);
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CompiledFieldReference failureRead = Assert.Single(
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CompiledCallGraph.ReadFieldReferences(reportExited),
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field => field.Field.Name == "_runFailure"
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&& field.OpCode == OpCodes.Ldfld);
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CompiledCall[] exited = calls
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.Where(call => call.Target.DeclaringType == typeof(SessionStatusWriter)
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&& call.Target.Name == nameof(SessionStatusWriter.Exited))
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.ToArray();
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Assert.Equal(3, exited.Length);
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CompiledCall status = Assert.Single(
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calls,
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call => call.Target.DeclaringType == typeof(GameWindowLifetimeReport)
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&& call.Target.Name == "get_Status");
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Assert.Contains(
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"string sessionId = _options.SessionId ?? \"app\";",
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reportExited,
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StringComparison.Ordinal);
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AssertAppearsInOrder(
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reportExited,
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"if (_runFailure is not null)",
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"_statusWriter.Exited(sessionId, 1, \"crashed\");",
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"return;",
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"if (report.Status == GameWindowLifetimeStatus.Complete)",
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"_statusWriter.Exited(sessionId, 0, \"graceful\");",
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"_statusWriter.Exited(sessionId, 1, \"shutdown-incomplete\");");
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Assert.True(failureRead.Offset < exited[0].Offset);
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Assert.True(exited[0].Offset < status.Offset);
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Assert.True(status.Offset < exited[1].Offset);
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Assert.True(exited[1].Offset < exited[2].Offset);
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Assert.Equal(
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["app", "crashed", "graceful", "shutdown-incomplete"],
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CompiledCallGraph.ReadStringLiterals(reportExited));
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// Every terminal-status write in CompleteShutdown funnels through
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// this ONE method — a second, uncoordinated call site would be
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// exactly how the pre-fix bug reappears.
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MethodInfo completeShutdown = RequiredMethod("CompleteShutdown");
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Assert.Equal(
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2,
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CountOccurrences(source, "ReportExited(report)"));
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Assert.DoesNotContain(
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"_statusWriter.Exited(_options.SessionId ?? \"app\", 0, \"graceful\")",
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source,
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StringComparison.Ordinal);
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CompiledCallGraph.Read(completeShutdown).Count(call =>
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call.Target.DeclaringType == typeof(GameWindow)
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&& call.Target.Name == "ReportExited"));
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Assert.Equal(
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exited.Length,
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CompiledCallGraph.ReadDeclared(typeof(GameWindow)).Count(call =>
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call.Target.DeclaringType == typeof(SessionStatusWriter)
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&& call.Target.Name == nameof(SessionStatusWriter.Exited)));
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}
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[Fact]
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public void RunFailureFieldExistsAndDefaultsToNull()
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{
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string source = GameWindowSource();
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FieldInfo field = typeof(GameWindow).GetField(
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"_runFailure",
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BindingFlags.Instance | BindingFlags.NonPublic)
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?? throw new MissingFieldException(typeof(GameWindow).FullName, "_runFailure");
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Assert.Equal(typeof(Exception), field.FieldType);
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Assert.Contains(
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"private Exception? _runFailure;",
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source,
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StringComparison.Ordinal);
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ConstructorInfo[] constructors = typeof(GameWindow).GetConstructors(
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BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
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Assert.NotEmpty(constructors);
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Assert.DoesNotContain(
|
||||
constructors.SelectMany(CompiledCallGraph.ReadFieldReferences),
|
||||
reference => reference.Field == field
|
||||
&& reference.OpCode == OpCodes.Stfld);
|
||||
}
|
||||
|
||||
private static string MethodBody(string start, string end) =>
|
||||
Slice(GameWindowSource(), start, end);
|
||||
|
||||
private static string Slice(string source, string start, string end)
|
||||
{
|
||||
int first = source.IndexOf(start, StringComparison.Ordinal);
|
||||
int last = source.IndexOf(end, first + 1, StringComparison.Ordinal);
|
||||
Assert.True(first >= 0, $"Missing source boundary: {start}");
|
||||
Assert.True(last > first, $"Missing source boundary: {end}");
|
||||
return source[first..last];
|
||||
}
|
||||
|
||||
private static int CountOccurrences(string source, string value)
|
||||
{
|
||||
int count = 0;
|
||||
int cursor = 0;
|
||||
while ((cursor = source.IndexOf(value, cursor, StringComparison.Ordinal)) >= 0)
|
||||
{
|
||||
count++;
|
||||
cursor += value.Length;
|
||||
}
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
private static void AssertAppearsInOrder(string source, params string[] fragments)
|
||||
{
|
||||
int cursor = -1;
|
||||
foreach (string fragment in fragments)
|
||||
{
|
||||
int next = source.IndexOf(fragment, cursor + 1, StringComparison.Ordinal);
|
||||
Assert.True(next >= 0, $"Missing expected source fragment: {fragment}");
|
||||
Assert.True(next > cursor, $"Out-of-order source fragment: {fragment}");
|
||||
cursor = next;
|
||||
}
|
||||
}
|
||||
|
||||
private static string GameWindowSource() => File.ReadAllText(Path.Combine(
|
||||
FindRepoRoot(),
|
||||
"src",
|
||||
"AcDream.App",
|
||||
"Rendering",
|
||||
"GameWindow.cs")).Replace("\r\n", "\n", StringComparison.Ordinal);
|
||||
|
||||
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 MethodInfo RequiredMethod(string name) =>
|
||||
typeof(GameWindow).GetMethod(
|
||||
name,
|
||||
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)
|
||||
?? throw new MissingMethodException(typeof(GameWindow).FullName, name);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue