import clr
import types
import unittest

import Python.Test as Test
import System
import six
from Python.Test import ClassTest
from System.Collections import Hashtable

if six.PY3:
    DictProxyType = type(object.__dict__)
else:
    DictProxyType = types.DictProxyType


class ClassTests(unittest.TestCase):
    """Test CLR class support."""

    def testBasicReferenceType(self):
        """Test usage of CLR defined reference types."""
        String = System.String
        self.assertEquals(String.Empty, "")

    def testBasicValueType(self):
        """Test usage of CLR defined value types."""
        Int32 = System.Int32
        self.assertEquals(Int32.MaxValue, 2147483647)

    def testClassStandardAttrs(self):
        """Test standard class attributes."""
        self.assertTrue(ClassTest.__name__ == 'ClassTest')
        self.assertTrue(ClassTest.__module__ == 'Python.Test')
        self.assertTrue(type(ClassTest.__dict__) == DictProxyType)
        self.assertTrue(len(ClassTest.__doc__) > 0)

    def testClassDocstrings(self):
        """Test standard class docstring generation"""
        value = 'Void .ctor()'
        self.assertTrue(ClassTest.__doc__ == value)

    def testClassDefaultStr(self):
        """Test the default __str__ implementation for managed objects."""
        s = System.String("this is a test")
        self.assertTrue(str(s) == "this is a test")

    def testClassDefaultRepr(self):
        """Test the default __repr__ implementation for managed objects."""
        s = System.String("this is a test")
        self.assertTrue(repr(s).startswith("