public void PerceptronThrowsErrorWhenWeightsAreAllZero()
{
_network.GetAllConnections().Enumerate(connection => connection.Properties.Weight = 0d);
//Note: NullReferenceException means exception wasn't thrown
var exception = Assert.Throws <InvalidOperationException>(() => _perceptron.CheckTopology());
exception.Message.Should().Be(Perceptron.WeightsAreAllZero);
}
public async Task WeightInitializerInitializerWeightsOnAllConnections()
{
await _weightInitializer.PropagateWeightInitializationAsync();
var allConnections = _network.GetAllConnections();
_weightSetterMock.Verify(r => r.SetWeight(allConnections.ElementAt(0).Properties), Times.Once());
_weightSetterMock.Verify(r => r.SetWeight(allConnections.ElementAt(1).Properties), Times.Once());
_weightSetterMock.Verify(r => r.SetWeight(allConnections.ElementAt(2).Properties), Times.Once());
_weightSetterMock.Verify(r => r.SetWeight(allConnections.ElementAt(3).Properties), Times.Once());
_weightSetterMock.Verify(r => r.SetWeight(allConnections.ElementAt(4).Properties), Times.Once());
_weightSetterMock.Verify(r => r.SetWeight(allConnections.ElementAt(5).Properties), Times.Once());
_weightSetterMock.Verify(r => r.SetWeight(allConnections.ElementAt(6).Properties), Times.Once());
_weightSetterMock.Verify(r => r.SetWeight(allConnections.ElementAt(7).Properties), Times.Once());
}