Tests for twisted.python.compat.
| Class | IOTypeTests | Test cases for determining a file-like object's type. | 
| Class | CompatTests | Various utility functions in twisted.python.compatprovide 
same functionality as modern Python variants. | 
| Class | IPv6Tests | inet_ptonandinet_ntopimplementations 
support IPv6. | 
| Class | ExecfileCompatTests | Tests for the Python 3-friendly execfileimplementation. | 
| Class | PY3Tests | Identification of Python 2 vs. Python 3. | 
| Class | PYPYTest | Identification of PyPy. | 
| Class | Comparable | Objects that can be compared to each other, but not others. | 
| Class | ComparableTests | comparabledecorated classes emulate Python 2's__cmp__semantics. | 
| Class | Python3ComparableTests | Python 3-specific functionality of comparable. | 
| Class | CmpTests | cmpshould 
behave like the built-in Python 2cmp. | 
| Class | StringTests | Compatibility functions and types for strings. | 
| Class | NetworkStringTests | Tests for networkString. | 
| Class | ReraiseTests | reraisere-raises exceptions on both Python 2 and Python 3. | 
| Class | Python3BytesTests | Tests for iterbytes,intToBytes,lazyByteSlice. | 
| Class | BytesEnvironTests | Tests for BytesEnviron. | 
| Class | CoercedUnicodeTests | Tests for twisted.python.compat._coercedUnicode. | 
| Class | UnichrTests | Tests for unichr. | 
| Class | RawInputTests | Tests for raw_input | 
| Class | FutureBytesReprTests | Tests for twisted.python.compat._bytesRepr. | 
| Class | GetAsyncParamTests | Tests for twisted.python.compat._get_async_param |