private void FindSinglePathImpl(GCRoot gcroot)
{
ClrHeap heap = gcroot.Heap;
GetKnownSourceAndTarget(heap, out ulong source, out ulong target);
LinkedList <ClrObject> path = gcroot.FindSinglePath(source, target, CancellationToken.None);
AssertPathIsCorrect(heap, path.ToImmutableArray(), source, target);
}
public void FindSinglePath()
{
using DataTarget dataTarget = TestTargets.GCRoot.LoadFullDump();
using ClrRuntime runtime = dataTarget.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
GCRoot gcroot = new GCRoot(heap);
GetKnownSourceAndTarget(heap, out ulong source, out ulong target);
LinkedList <ClrObject> path = gcroot.FindSinglePath(source, target, CancellationToken.None);
AssertPathIsCorrect(heap, path.ToImmutableArray(), source, target);
}
public void FindSinglePathCancel()
{
using DataTarget dataTarget = TestTargets.GCRoot.LoadFullDump();
using ClrRuntime runtime = dataTarget.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
GCRoot gcroot = new GCRoot(heap);
CancellationTokenSource cancelSource = new CancellationTokenSource();
cancelSource.Cancel();
GetKnownSourceAndTarget(runtime.Heap, out ulong source, out ulong target);
Assert.Throws <OperationCanceledException>(() => gcroot.FindSinglePath(source, target, cancelSource.Token));
}
public void FindSinglePathCancel()
{
using DataTarget dataTarget = TestTargets.GCRoot.LoadFullDump();
using ClrRuntime runtime = dataTarget.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
GCRoot gcroot = new GCRoot(runtime.Heap);
CancellationTokenSource cancelSource = new CancellationTokenSource();
cancelSource.Cancel();
GetKnownSourceAndTarget(runtime.Heap, out ulong source, out ulong target);
try
{
gcroot.FindSinglePath(source, target, cancelSource.Token);
Assert.True(false, "Should have been cancelled!");
}
catch (OperationCanceledException)
{
}
}
/// <summary> /// Returns the path from the start object to the end object (or null if no such path exists). /// </summary> /// <param name="source">The initial object to start the search from.</param> /// <param name="target">The object we are searching for.</param> /// <param name="cancelToken">A cancellation token to stop searching.</param> /// <returns>A path from 'source' to 'target' if one exists, null if one does not.</returns> /// <inheritdoc /> public IList <IClrObject> FindSinglePath(ulong source, ulong target, CancellationToken cancelToken) => Root.FindSinglePath(source, target, cancelToken).Select(Converter.Convert).ToList();
