using System;
using System.Collections.Generic;
using NUnit.Framework;
using Python.Runtime;
namespace Python.EmbeddingTest
{
public class TestPyList
{
[OneTimeSetUp]
public void SetUp()
{
PythonEngine.Initialize();
}
[OneTimeTearDown]
public void Dispose()
{
PythonEngine.Shutdown();
}
[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.AreEqual("TypeError : 'int' object is not iterable", ex.Message);
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.AreEqual(0, s.Length());
}
[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.AreEqual(3, s.Length());
Assert.AreEqual("3", s[0].ToString());
Assert.AreEqual("2", s[1].ToString());
Assert.AreEqual("1", s[2].ToString());
}
[Test]
public void TestPyObjectCtor()
{
var a = new PyList();
var s = new PyList(a);
Assert.IsInstanceOf(typeof(PyList), s);
Assert.AreEqual(0, s.Length());
}
[Test]
public void TestBadPyObjectCtor()
{
var i = new PyInt(5);
PyList t = null;
var ex = Assert.Throws(() => t = new PyList(i));
Assert.AreEqual("object is not a list", ex.Message);
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.AreEqual(4, s.Length());
Assert.AreEqual("4", s[3].ToString());
}
[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.AreEqual(4, s.Length());
Assert.AreEqual("4", s[0].ToString());
}
[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.AreEqual(3, s.Length());
Assert.AreEqual("2", s[0].ToString());
Assert.AreEqual("1", s[1].ToString());
Assert.AreEqual("3", s[2].ToString());
}
[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.AreEqual(3, s.Length());
Assert.AreEqual("1", s[0].ToString());
Assert.AreEqual("2", s[1].ToString());
Assert.AreEqual("3", s[2].ToString());
}
[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.AreEqual(3, result.Count);
Assert.AreEqual("foo", result[0]);
Assert.AreEqual("bar", result[1]);
Assert.AreEqual("baz", result[2]);
}
}
}