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using System;
using System.Collections.Generic;
using NUnit.Framework;
using Python.Runtime;
namespace Python.EmbeddingTest
{
public class TestPyList
{
[Test]
public void TestStringIsListType()
{
var s = new PyString("foo");
Assert.False(PyList.IsListType(s));
}
[Test]
public void TestListIsListType()
{
var s = new PyList();
Assert.True(PyList.IsListType(s));
}
[Test]
public void TestStringAsListType()
{
var i = new PyInt(5);
PyList t = null;
var ex = Assert.Throws(() => t = PyList.AsList(i));
Assert.That(ex.Message, Is.EqualTo("'int' object is not iterable"));
Assert.IsNull(t);
}
[Test]
public void TestListAsListType()
{
var l = new PyList();
PyList t = PyList.AsList(l);
Assert.IsNotNull(t);
Assert.IsInstanceOf(typeof(PyList), t);
}
[Test]
public void TestEmptyCtor()
{
var s = new PyList();
Assert.IsInstanceOf(typeof(PyList), s);
Assert.That(s.Length(), Is.EqualTo(0));
}
[Test]
public void TestPyObjectArrayCtor()
{
var ai = new PyObject[] {new PyInt(3), new PyInt(2), new PyInt(1) };
var s = new PyList(ai);
Assert.IsInstanceOf(typeof(PyList), s);
Assert.That(s.Length(), Is.EqualTo(3));
Assert.That(s[0].ToString(), Is.EqualTo("3"));
Assert.That(s[1].ToString(), Is.EqualTo("2"));
Assert.That(s[2].ToString(), Is.EqualTo("1"));
}
[Test]
public void TestPyObjectCtor()
{
var a = new PyList();
var s = new PyList(a);
Assert.IsInstanceOf(typeof(PyList), s);
Assert.That(s.Length(), Is.EqualTo(0));
}
[Test]
public void TestBadPyObjectCtor()
{
var i = new PyInt(5);
PyList t = null;
var ex = Assert.Throws(() => t = new PyList(i));
Assert.That(ex.Message, Is.EqualTo("object is not a list"));
Assert.IsNull(t);
}
[Test]
public void TestAppend()
{
var ai = new PyObject[] { new PyInt(3), new PyInt(2), new PyInt(1) };
var s = new PyList(ai);
s.Append(new PyInt(4));
Assert.That(s.Length(), Is.EqualTo(4));
Assert.That(s[3].ToString(), Is.EqualTo("4"));
}
[Test]
public void TestInsert()
{
var ai = new PyObject[] { new PyInt(3), new PyInt(2), new PyInt(1) };
var s = new PyList(ai);
s.Insert(0, new PyInt(4));
Assert.That(s.Length(), Is.EqualTo(4));
Assert.That(s[0].ToString(), Is.EqualTo("4"));
}
[Test]
public void TestReverse()
{
var ai = new PyObject[] { new PyInt(3), new PyInt(1), new PyInt(2) };
var s = new PyList(ai);
s.Reverse();
Assert.That(s.Length(), Is.EqualTo(3));
Assert.That(s[0].ToString(), Is.EqualTo("2"));
Assert.That(s[1].ToString(), Is.EqualTo("1"));
Assert.That(s[2].ToString(), Is.EqualTo("3"));
}
[Test]
public void TestSort()
{
var ai = new PyObject[] { new PyInt(3), new PyInt(1), new PyInt(2) };
var s = new PyList(ai);
s.Sort();
Assert.That(s.Length(), Is.EqualTo(3));
Assert.That(s[0].ToString(), Is.EqualTo("1"));
Assert.That(s[1].ToString(), Is.EqualTo("2"));
Assert.That(s[2].ToString(), Is.EqualTo("3"));
}
[Test]
public void TestOnPyList()
{
var list = new PyList();
list.Append(new PyString("foo"));
list.Append(new PyString("bar"));
list.Append(new PyString("baz"));
var result = new List();
foreach (PyObject item in list)
{
result.Add(item.ToString());
}
Assert.That(result.Count, Is.EqualTo(3));
Assert.That(result[0], Is.EqualTo("foo"));
Assert.That(result[1], Is.EqualTo("bar"));
Assert.That(result[2], Is.EqualTo("baz"));
}
}
}