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using System;
using System.Globalization;
using NUnit.Framework;
using Python.Runtime;
namespace Python.EmbeddingTest
{
public class TestInstanceWrapping
{
// regression test for https://github.com/pythonnet/pythonnet/issues/811
[Test]
public void OverloadResolution_UnknownToObject()
{
var overloaded = new Overloaded();
using (Py.GIL())
{
var o = overloaded.ToPython();
dynamic callWithSelf = PythonEngine.Eval("lambda o: o.ObjOrClass(object())");
callWithSelf(o);
Assert.That(overloaded.Value, Is.EqualTo(Overloaded.Object));
}
}
[Test]
public void WeakRefIsNone_AfterObjectIsGone()
{
using var makeref = Py.Import("weakref").GetAttr("ref");
var ub = new UriBuilder().ToPython();
using var weakref = makeref.Invoke(ub);
ub.Dispose();
Assert.That(weakref.Invoke().IsNone(), Is.True);
}
class Base {}
class Derived: Base { }
class Overloaded: Derived
{
public int Value { get; set; }
public void IntOrStr(int arg) => this.Value = arg;
public void IntOrStr(string arg) =>
this.Value = int.Parse(arg, NumberStyles.Integer, CultureInfo.InvariantCulture);
public const int Object = 1;
public const int ConcreteClass = 2;
public void ObjOrClass(object _) => this.Value = Object;
public void ObjOrClass(Overloaded _) => this.Value = ConcreteClass;
public const int Base = ConcreteClass + 1;
public const int Derived = Base + 1;
public void BaseOrDerived(Base _) => this.Value = Base;
public void BaseOrDerived(Derived _) => this.Value = Derived;
}
}
}