public void ConstructorWithDescriptors_SingleImmediateEvaluation()
{
var sequence = new CountingSequence();
var descriptor = new ApiMetadata("Test", () => sequence);
Assert.Equal(0, sequence.EvaluationCount);
// Fetching the first time immediately evaluates the sequence
var protobufDescriptors = descriptor.ProtobufDescriptors;
Assert.Equal(1, sequence.EvaluationCount);
// Using the returned list doesn't change the evaluation count
Assert.Equal(0, protobufDescriptors.Count());
Assert.Equal(1, sequence.EvaluationCount);
// Fetching a second time doesn't change the evaluation count
protobufDescriptors = descriptor.ProtobufDescriptors;
Assert.Equal(1, sequence.EvaluationCount);
}
public void ConstructorWithDescriptorsProvider_LazyEvaluation()
{
var sequence = new CountingSequence();
var descriptor = new ApiMetadata("Test", sequence);
// By the time the constructor returns, it's already evaluated the sequence.
Assert.Equal(1, sequence.EvaluationCount);
// Fetching the first time doesn't change the evaluation count
var protobufDescriptors = descriptor.ProtobufDescriptors;
Assert.Equal(1, sequence.EvaluationCount);
// Using the returned list doesn't change the evaluation count
Assert.Equal(0, protobufDescriptors.Count());
Assert.Equal(1, sequence.EvaluationCount);
// Fetching a second time doesn't change the evaluation count
protobufDescriptors = descriptor.ProtobufDescriptors;
Assert.Equal(1, sequence.EvaluationCount);
}
