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using System;
using NUnit.Framework;
using Python.Runtime;
namespace Python.EmbeddingTest
{
public class TestPyLong
{
[OneTimeSetUp]
public void SetUp()
{
PythonEngine.Initialize();
}
[OneTimeTearDown]
public void Dispose()
{
PythonEngine.Shutdown();
}
[Test]
public void TestToInt64()
{
long largeNumber = 8L * 1024L * 1024L * 1024L; // 8 GB
var pyLargeNumber = new PyLong(largeNumber);
Assert.AreEqual(largeNumber, pyLargeNumber.ToInt64());
}
[Test]
public void TestCtorInt()
{
const int i = 5;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorUInt()
{
const uint i = 5;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorLong()
{
const long i = 5;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorULong()
{
const ulong i = 5;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorShort()
{
const short i = 5;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorUShort()
{
const ushort i = 5;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorByte()
{
const byte i = 5;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorSByte()
{
const sbyte i = 5;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorDouble()
{
double i = 5.0;
var a = new PyLong(i);
Assert.AreEqual(i, a.ToInt32());
}
[Test]
public void TestCtorPtr()
{
var i = new PyLong(5);
Runtime.Runtime.XIncref(i.Handle);
var a = new PyLong(i.Handle);
Assert.AreEqual(5, a.ToInt32());
}
[Test]
public void TestCtorPyObject()
{
var i = new PyLong(5);
Runtime.Runtime.XIncref(i.Handle);
var a = new PyLong(i);
Assert.AreEqual(5, a.ToInt32());
}
[Test]
public void TestCtorBadPyObject()
{
var i = new PyString("Foo");
PyLong a = null;
var ex = Assert.Throws<ArgumentException>(() => a = new PyLong(i));
StringAssert.StartsWith("object is not a long", ex.Message);
Assert.IsNull(a);
}
[Test]
public void TestCtorString()
{
const string i = "5";
var a = new PyLong(i);
Assert.AreEqual(5, a.ToInt32());
}
[Test]
public void TestCtorBadString()
{
const string i = "Foo";
PyLong a = null;
var ex = Assert.Throws<PythonException>(() => a = new PyLong(i));
StringAssert.StartsWith("ValueError : invalid literal", ex.Message);
Assert.IsNull(a);
}
[Test]
public void TestIsIntTypeTrue()
{
var i = new PyLong(5);
Assert.True(PyLong.IsLongType(i));
}
[Test]
public void TestIsLongTypeFalse()
{
var s = new PyString("Foo");
Assert.False(PyLong.IsLongType(s));
}
[Test]
public void TestAsLongGood()
{
var i = new PyLong(5);
var a = PyLong.AsLong(i);
Assert.AreEqual(5, a.ToInt32());
}
[Test]
public void TestAsLongBad()
{
var s = new PyString("Foo");
PyLong a = null;
var ex = Assert.Throws<PythonException>(() => a = PyLong.AsLong(s));
StringAssert.StartsWith("ValueError : invalid literal", ex.Message);
Assert.IsNull(a);
}
[Test]
public void TestConvertToInt32()
{
var a = new PyLong(5);
Assert.IsInstanceOf(typeof(int), a.ToInt32());
Assert.AreEqual(5, a.ToInt32());
}
[Test]
public void TestConvertToInt16()
{
var a = new PyLong(5);
Assert.IsInstanceOf(typeof(short), a.ToInt16());
Assert.AreEqual(5, a.ToInt16());
}
[Test]
public void TestConvertToInt64()
{
var a = new PyLong(5);
Assert.IsInstanceOf(typeof(long), a.ToInt64());
Assert.AreEqual(5, a.ToInt64());
}
}
}