public void Should_keep_object_type_and_return_result()
{
var instance = new Entity();
var exp = new ConstantExpression(instance);
var result = exp.Execute <object>(_ => null);
result.ShouldBeSameAs(instance);
}
public void Should_throw_upon_invalid_type_cast()
{
var instance = new Entity();
var exp = new ConstantExpression(instance);
var ex = Should.Throw <InvalidCastException>(() => _ = exp.Execute <AnotherEntity>(_ => null));
ex.Message.ShouldBe("Unable to cast object of type 'Entity' to type 'AnotherEntity'.");
}
public void Should_cast_and_return_result()
{
var instance = new Entity();
var exp = new ConstantExpression(instance);
var result = exp.Execute <Entity>(_ => null);
result.ShouldBeSameAs(instance);
}
public void Should_cast_any_result_to_object_and_return_value(Type type, object value)
{
var exp = new ConstantExpression(value);
var result = exp.Execute <object>(_ => null);
if (type.IsClass)
{
result.ShouldBeSameAs(value);
}
else
{
result.ShouldBe(value);
if (result is null)
{
type.ShouldBeNullable();
}
else
{
var nonNullType = type.AsNonNullableType();
result.ShouldBeOfType(nonNullType);
}
}
}
