public Task InitializeAsync(IAsyncServiceProvider asyncServiceProvider)
{
// There's no public API registering a trace listener for a
// non-public trace source, so we need to use reflection
string assemblyName = typeof(AppliesToAttribute).Assembly.FullName;
string typeName = $"Microsoft.VisualStudio.ProjectSystem.TraceUtilities, {assemblyName}";
var type = Type.GetType(typeName);
if (type is null)
{
Assumes.Fail($"Could not find type '{typeName}'");
}
const string sourcePropertyName = "Source";
PropertyInfo?property = type.GetProperty(sourcePropertyName, BindingFlags.NonPublic | BindingFlags.Static);
if (property is null)
{
Assumes.Fail($"Could not find property '{sourcePropertyName}' in type '{typeName}'");
}
var source = (TraceSource)property.GetValue(null);
source.Switch.Level = SourceLevels.Warning;
source.Listeners.Add(this);
return(Task.CompletedTask);
}
public static Module ResolveModule(Assembly assembly, int metadataToken)
{
Assumes.NotNull(assembly);
Assumes.IsTrue(metadataToken != 0);
// TODO: This likely cause all modules in the assembly to be loaded
// perhaps we should load via file name (how will that work on SL)?
foreach (Module module in assembly.GetModules())
{
if (module.MetadataToken == metadataToken)
{
return(module);
}
}
Assumes.Fail("");
return(null);
}
//todo: very weirdly, after updating StructureMap to version 3, double dispatch via dynamic not works anymore(http://stackoverflow.com/questions/27011810/mystery-with-dynamic-type-double-dispatch)
private static object ApplyResolver(GenericFamilyExpression builder, IImplementationResolver resolver)
{
if (resolver is StaticResolver)
{
return(builder.Add(((StaticResolver)resolver).Target));
}
if (resolver is InstanceResolver)
{
return(builder.Add(((InstanceResolver)resolver).Instance));
}
if (resolver is DynamicResolver)
{
return(builder.Add(c => ((DynamicResolver)resolver).FactoryFunc()));
}
Assumes.Fail("Unsupported IImplementationResolver implementation");
return(null);
}
public void Fail()
{
ExceptionAssert.Throws(debugAssertException, () => { Assumes.Fail((string)null); }).WithMessage("Assumption failed.", ExceptionMessageComparison.StartsWith);
ExceptionAssert.Throws(debugAssertException, () => { Assumes.Fail(String.Empty); }).WithMessage("Assumption failed.", ExceptionMessageComparison.StartsWith);
ExceptionAssert.Throws(debugAssertException, () => { Assumes.Fail("test."); }).WithMessage("Assumption failed. test.", ExceptionMessageComparison.StartsWith);
}
public void Fail()
{
Assert.ThrowsAny <Exception>(() => Assumes.Fail("some message", new InvalidOperationException()));
}
public override bool TryRead(out ReadResult result) => throw Assumes.Fail(UnownedObject);
public override ValueTask <ReadResult> ReadAsync(CancellationToken cancellationToken = default) => throw Assumes.Fail(UnownedObject);
public override ValueTask CompleteAsync(Exception?exception = null) => throw Assumes.Fail(UnownedObject);
public override void Complete(Exception?exception = null) => throw Assumes.Fail(UnownedObject);
public override void AdvanceTo(SequencePosition consumed, SequencePosition examined) => throw Assumes.Fail(UnownedObject);
public override void SetValue(object component, object value) =>
Assumes.Fail("This method should not get called!");
public override object GetValue(object component)
{
Assumes.Fail("This method should not get called!");
return(null);
}
public override void ResetValue(object component) =>
Assumes.Fail("This method should not be called!");
public void Fail()
{
ExceptionAssert.Throws <AssumptionException>(() => { Assumes.Fail(String.Empty); }).WithMessage("Assumption failed.");
ExceptionAssert.Throws <AssumptionException>(() => { Assumes.Fail("test."); }).WithMessage("Assumption failed. test.");
}
