public void TryCastFrom_ReferencesSamePropertyValue()
{
var carrier = new object();
var name = Guid.NewGuid().ToString("N");
PropertyConnector.Default.Get(carrier, name).Set(13);
Assert.AreEqual(13, ConnectibleProperty <int> .TryCastFrom(PropertyConnector.Default.Get(carrier, name)).Get());
}
public void TryCastFrom_ToInvalidType_ThrowsWhenUsed()
{
var carrier = new object();
var name = Guid.NewGuid().ToString("N");
PropertyConnector.Default.Get(carrier, name).Set(13);
var property = ConnectibleProperty <string> .TryCastFrom(PropertyConnector.Default.Get(carrier, name));
AssertEx.Throws <InvalidCastException>(() => property.Get());
}
public void TryCastFrom_WithNullSource_ReturnsNull()
{
ConnectibleProperty <dynamic> source = null;
Assert.IsNull(ConnectibleProperty <string> .TryCastFrom(source));
}
public static IConnectibleProperty <TValue> TryGetConnectedProperty <TValue, TTag>(this object carrier, bool bypassValidation)
{
Contract.Requires(carrier != null);
return(ConnectibleProperty <TValue> .TryCastFrom(Connector.TryGet <TTag>(carrier, bypassValidation)));
}
/// <summary>
/// Gets a connectible property on the specified carrier object, optionally bypassing carrier object validation. Returns <c>null</c> if validation is not bypassed and the specified object cannot have connected properties.
/// </summary>
/// <param name="carrier">The carrier object for which to retrieve the connectible property. This object must be reference-equatable unless validation is bypassed. May not be <c>null</c>.</param>
/// <param name="bypassValidation">Whether to bypass carrier object validation. Normally, callers pass <c>true</c> for this parameter.</param>
/// <returns>The connectible property, or <c>null</c> if <paramref name="bypassValidation"/> is <c>false</c> and <paramref name="carrier"/> may not have connected properties.</returns>
public IConnectibleProperty <TValue> TryGetProperty(TCarrier carrier, bool bypassValidation)
{
return(ConnectibleProperty <TValue> .TryCastFrom(_connector.TryGet(carrier, string.Empty, bypassValidation)));
}
