public void RegisterDouble()
{
const string Name = "MyPropertyRegisterDouble";
_ = AttachedProperty.Register <AttachedPropertyTests, int>(Name);
new Action(() => _ = AttachedProperty.Register <AttachedPropertyTests, int>(Name)).Should().Throw <ArgumentException>()
.WithMessage("*already registered*").WithMessage($"*{typeof(AttachedPropertyTests).Name}*").WithMessage($"*{Name}*");
}
public void RegisterWithSuffix()
{
AttachedProperty <string> property = AttachedProperty.Register <AttachedPropertyTests, string>(() => MyStringProperty, "8");
property.DefaultValue.Should().Be("8");
property.DefaultValueUntyped.Should().Be("8");
property.Name.Should().Be("MyString");
property.OwnerType.Should().Be <AttachedPropertyTests>();
}
public void RegisterAttached()
{
AttachedProperty <int> property = AttachedProperty.Register <AttachedPropertyTests, int>("MyPropertyRegisterAttached", 9);
property.DefaultValue.Should().Be(9);
property.DefaultValueUntyped.Should().Be(9);
property.Name.Should().Be("MyPropertyRegisterAttached");
property.OwnerType.Should().Be <AttachedPropertyTests>();
}
public void RegisterWithoutSuffix()
{
AttachedProperty <char> property = AttachedProperty.Register <AttachedPropertyTests, char>(() => MyChar, '7');
property.DefaultValue.Should().Be('7');
property.DefaultValueUntyped.Should().Be('7');
property.Name.Should().Be(nameof(MyChar));
property.OwnerType.Should().Be <AttachedPropertyTests>();
}
public void NullArguments()
{
var name = "MyPropertyCreateNullArguments";
var nameExpression = (IntPropertyExpression)(() => MyIntProperty);
var identifier = new AttachableMemberIdentifier(typeof(AttachedPropertyTests), name);
new Action(() => _ = AttachedProperty.Register <AttachedPropertyTests, int>((string)null, 1)).Should().Throw <ArgumentNullException>().Which.ParamName.Should().Be(nameof(name));
new Action(() => _ = AttachedProperty.Register <AttachedPropertyTests, int>((IntPropertyExpression)null, 1)).Should().Throw <ArgumentNullException>().Which.ParamName.Should().Be(nameof(nameExpression));
new Action(() => _ = AttachedProperty.Get(null)).Should().Throw <ArgumentNullException>().Which.ParamName.Should().Be(nameof(identifier));
}