clean some trailing whitespace in tests
diff --git a/tests/test_c_lexer.py b/tests/test_c_lexer.py
index 43e7e0a..2c651a3 100644
--- a/tests/test_c_lexer.py
+++ b/tests/test_c_lexer.py
@@ -21,21 +21,21 @@
     """
     def error_func(self, msg, line, column):
         self.fail(msg)
-    
+
     def type_lookup_func(self, typ):
         if typ.startswith('mytype'):
             return True
         else:
             return False
-    
+
     def setUp(self):
         self.clex = CLexer(self.error_func, self.type_lookup_func)
         self.clex.build(optimize=False)
-    
+
     def assertTokensTypes(self, str, types):
         self.clex.input(str)
         self.assertEqual(token_types(self.clex), types)
-    
+
     def test_trivial_tokens(self):
         self.assertTokensTypes('1', ['INT_CONST_DEC'])
         self.assertTokensTypes('-', ['MINUS'])
@@ -45,46 +45,46 @@
         self.assertTokensTypes('case int', ['CASE', 'INT'])
         self.assertTokensTypes('caseint', ['ID'])
         self.assertTokensTypes('i ^= 1;', ['ID', 'XOREQUAL', 'INT_CONST_DEC', 'SEMI'])
-        
+
     def test_id_typeid(self):
         self.assertTokensTypes('myt', ['ID'])
         self.assertTokensTypes('mytype', ['TYPEID'])
         self.assertTokensTypes('mytype6 var', ['TYPEID', 'ID'])
-    
+
     def test_integer_constants(self):
         self.assertTokensTypes('12', ['INT_CONST_DEC'])
         self.assertTokensTypes('12u', ['INT_CONST_DEC'])
         self.assertTokensTypes('199872Ul', ['INT_CONST_DEC'])
         self.assertTokensTypes('199872LL', ['INT_CONST_DEC'])
         self.assertTokensTypes('199872ull', ['INT_CONST_DEC'])
-        
+
         self.assertTokensTypes('077', ['INT_CONST_OCT'])
         self.assertTokensTypes('0123456L', ['INT_CONST_OCT'])
-               
+
         self.assertTokensTypes('0xf7', ['INT_CONST_HEX'])
         self.assertTokensTypes('0x01202AAbbf7Ul', ['INT_CONST_HEX'])
-        
+
         # no 0 before x, so ID catches it
         self.assertTokensTypes('xf7', ['ID'])
-        
+
         # - is MINUS, the rest a constnant
         self.assertTokensTypes('-1', ['MINUS', 'INT_CONST_DEC'])
-        
+
     def test_floating_constants(self):
         self.assertTokensTypes('1.5f', ['FLOAT_CONST'])
         self.assertTokensTypes('01.5', ['FLOAT_CONST'])
         self.assertTokensTypes('.15L', ['FLOAT_CONST'])
         self.assertTokensTypes('0.', ['FLOAT_CONST'])
-        
+
         # but just a period is a period
         self.assertTokensTypes('.', ['PERIOD'])
-        
+
         self.assertTokensTypes('3.3e-3', ['FLOAT_CONST'])
         self.assertTokensTypes('.7e25L', ['FLOAT_CONST'])
         self.assertTokensTypes('6.e+125f', ['FLOAT_CONST'])
         self.assertTokensTypes('666e666', ['FLOAT_CONST'])
         self.assertTokensTypes('00666e+3', ['FLOAT_CONST'])
-        
+
         # but this is a hex integer + 3
         self.assertTokensTypes('0x0666e+3', ['INT_CONST_HEX', 'PLUS', 'INT_CONST_DEC'])
 
@@ -92,7 +92,7 @@
         self.assertTokensTypes('0xDE.488641p0', ['HEX_FLOAT_CONST'])
         self.assertTokensTypes('0x.488641p0', ['HEX_FLOAT_CONST'])
         self.assertTokensTypes('0X12.P0', ['HEX_FLOAT_CONST'])
-        
+
     def test_char_constants(self):
         self.assertTokensTypes(r"""'x'""", ['CHAR_CONST'])
         self.assertTokensTypes(r"""L'x'""", ['WCHAR_CONST'])
@@ -108,10 +108,10 @@
         self.assertTokensTypes('"a string"', ['STRING_LITERAL'])
         self.assertTokensTypes('L"ing"', ['WSTRING_LITERAL'])
         self.assertTokensTypes(
-            '"i am a string too \t"', 
+            '"i am a string too \t"',
             ['STRING_LITERAL'])
         self.assertTokensTypes(
-            r'''"esc\ape \"\'\? \0234 chars \rule"''', 
+            r'''"esc\ape \"\'\? \0234 chars \rule"''',
             ['STRING_LITERAL'])
         self.assertTokensTypes(
             r'''"hello 'joe' wanna give it a \"go\"?"''',
@@ -120,32 +120,32 @@
     def test_mess(self):
         self.assertTokensTypes(
             r'[{}]()',
-            ['LBRACKET', 
-                'LBRACE', 'RBRACE', 
-            'RBRACKET', 
+            ['LBRACKET',
+                'LBRACE', 'RBRACE',
+            'RBRACKET',
             'LPAREN', 'RPAREN'])
 
         self.assertTokensTypes(
             r'()||!C&~Z?J',
-            ['LPAREN', 'RPAREN', 
-            'LOR', 
-            'LNOT', 'ID', 
-            'AND', 
-            'NOT', 'ID', 
+            ['LPAREN', 'RPAREN',
+            'LOR',
+            'LNOT', 'ID',
+            'AND',
+            'NOT', 'ID',
             'CONDOP', 'ID'])
-        
+
         self.assertTokensTypes(
             r'+-*/%|||&&&^><>=<===!=',
-            ['PLUS', 'MINUS', 'TIMES', 'DIVIDE', 'MOD', 
-            'LOR', 'OR', 
-            'LAND', 'AND', 
-            'XOR', 
+            ['PLUS', 'MINUS', 'TIMES', 'DIVIDE', 'MOD',
+            'LOR', 'OR',
+            'LAND', 'AND',
+            'XOR',
             'GT', 'LT', 'GE', 'LE', 'EQ', 'NE'])
-            
+
         self.assertTokensTypes(
             r'++--->?.,;:',
-            ['PLUSPLUS', 'MINUSMINUS', 
-            'ARROW', 'CONDOP', 
+            ['PLUSPLUS', 'MINUSMINUS',
+            'ARROW', 'CONDOP',
             'PERIOD', 'COMMA', 'SEMI', 'COLON'])
 
     def test_exprs(self):
@@ -158,27 +158,27 @@
             ['ID', 'AND', 'INT_CONST_HEX'])
 
         self.assertTokensTypes(
-            '(2+k) * 62', 
-            ['LPAREN', 'INT_CONST_DEC', 'PLUS', 'ID', 
+            '(2+k) * 62',
+            ['LPAREN', 'INT_CONST_DEC', 'PLUS', 'ID',
             'RPAREN', 'TIMES', 'INT_CONST_DEC'],)
-        
+
         self.assertTokensTypes(
             'x | y >> z',
             ['ID', 'OR', 'ID', 'RSHIFT', 'ID'])
-        
+
         self.assertTokensTypes(
             'x <<= z << 5',
             ['ID', 'LSHIFTEQUAL', 'ID', 'LSHIFT', 'INT_CONST_DEC'])
-        
+
         self.assertTokensTypes(
             'x = y > 0 ? y : -6',
-            ['ID', 'EQUALS', 
-                'ID', 'GT', 'INT_CONST_OCT', 
-                'CONDOP', 
-                'ID', 
-                'COLON', 
+            ['ID', 'EQUALS',
+                'ID', 'GT', 'INT_CONST_OCT',
+                'CONDOP',
+                'ID',
+                'COLON',
                 'MINUS', 'INT_CONST_DEC'])
-        
+
         self.assertTokensTypes(
             'a+++b',
             ['ID', 'PLUSPLUS', 'PLUS', 'ID'])
@@ -186,16 +186,16 @@
     def test_statements(self):
         self.assertTokensTypes(
             'for (int i = 0; i < n; ++i)',
-            ['FOR', 'LPAREN', 
-                        'INT', 'ID', 'EQUALS', 'INT_CONST_OCT', 'SEMI', 
-                        'ID', 'LT', 'ID', 'SEMI', 
-                        'PLUSPLUS', 'ID', 
+            ['FOR', 'LPAREN',
+                        'INT', 'ID', 'EQUALS', 'INT_CONST_OCT', 'SEMI',
+                        'ID', 'LT', 'ID', 'SEMI',
+                        'PLUSPLUS', 'ID',
                     'RPAREN'])
 
         self.assertTokensTypes(
             'self: goto self;',
             ['ID', 'COLON', 'GOTO', 'ID', 'SEMI'])
-            
+
         self.assertTokensTypes(
             """ switch (typ)
                 {
@@ -205,59 +205,59 @@
                     default:
                         m = 8;
                 }""",
-            ['SWITCH', 'LPAREN', 'ID', 'RPAREN', 
-                'LBRACE', 
-                    'CASE', 'ID', 'COLON', 
-                        'ID', 'EQUALS', 'INT_CONST_DEC', 'SEMI', 
-                        'BREAK', 'SEMI', 
-                    'DEFAULT', 'COLON', 
-                        'ID', 'EQUALS', 'INT_CONST_DEC', 'SEMI', 
+            ['SWITCH', 'LPAREN', 'ID', 'RPAREN',
+                'LBRACE',
+                    'CASE', 'ID', 'COLON',
+                        'ID', 'EQUALS', 'INT_CONST_DEC', 'SEMI',
+                        'BREAK', 'SEMI',
+                    'DEFAULT', 'COLON',
+                        'ID', 'EQUALS', 'INT_CONST_DEC', 'SEMI',
                 'RBRACE'])
-    
+
     def test_preprocessor_line(self):
         self.assertTokensTypes('#abracadabra', ['PPHASH', 'ID'])
-        
+
         str = r"""
         546
-        #line 66 "kwas\df.h" 
+        #line 66 "kwas\df.h"
         id 4
         dsf
-        # 9 
+        # 9
         armo
         #line 10 "..\~..\test.h"
         tok1
         #line 99999 "include/me.h"
         tok2
         """
-        
+
         #~ self.clex.filename
         self.clex.input(str)
         self.clex.reset_lineno()
-        
+
         t1 = self.clex.token()
         self.assertEqual(t1.type, 'INT_CONST_DEC')
         self.assertEqual(t1.lineno, 2)
-        
+
         t2 = self.clex.token()
         self.assertEqual(t2.type, 'ID')
         self.assertEqual(t2.value, 'id')
         self.assertEqual(t2.lineno, 66)
         self.assertEqual(self.clex.filename, r'kwas\df.h')
-        
+
         for i in range(3):
             t = self.clex.token()
-        
+
         self.assertEqual(t.type, 'ID')
         self.assertEqual(t.value, 'armo')
         self.assertEqual(t.lineno, 9)
         self.assertEqual(self.clex.filename, r'kwas\df.h')
-        
+
         t4 = self.clex.token()
         self.assertEqual(t4.type, 'ID')
         self.assertEqual(t4.value, 'tok1')
         self.assertEqual(t4.lineno, 10)
         self.assertEqual(self.clex.filename, r'..\~..\test.h')
-        
+
         t5 = self.clex.token()
         self.assertEqual(t5.type, 'ID')
         self.assertEqual(t5.value, 'tok2')
@@ -271,7 +271,7 @@
         '''
         self.clex.input(str)
         self.clex.reset_lineno()
-        
+
         t1 = self.clex.token()
         self.assertEqual(t1.type, 'INT_CONST_DEC')
         self.assertEqual(t1.lineno, 10)
@@ -321,13 +321,13 @@
     """ Test lexing of erroneous strings.
         Works by passing an error functions that saves the error
         in an attribute for later perusal.
-    """    
+    """
     def error_func(self, msg, line, column):
         self.error = msg
-        
+
     def type_lookup_func(self, typ):
         return False
-        
+
     def setUp(self):
         self.clex = CLexer(self.error_func, self.type_lookup_func)
         self.clex.build(optimize=False)
@@ -336,18 +336,18 @@
     def assertLexerError(self, str, error_like):
         # feed the string to the lexer
         self.clex.input(str)
-        
+
         # Pulls all tokens from the string. Errors will
         # be written into self.error by the error_func
         # callback
         #
-        token_types(self.clex) 
-        
+        token_types(self.clex)
+
         # compare the error to the expected
         self.assertTrue(re.search(error_like, self.error),
-            "\nExpected error matching: %s\nGot: %s" % 
+            "\nExpected error matching: %s\nGot: %s" %
                 (error_like, self.error))
-        
+
         # clear last error, for the sake of subsequent invocations
         self.error = ""
 
@@ -356,23 +356,23 @@
         self.assertLexerError('$', ERR_ILLEGAL_CHAR)
         self.assertLexerError('`', ERR_ILLEGAL_CHAR)
         self.assertLexerError('\\', ERR_ILLEGAL_CHAR)
-    
+
     def test_integer_constants(self):
         self.assertLexerError('029', ERR_OCTAL)
         self.assertLexerError('012345678', ERR_OCTAL)
-        
+
     def test_char_constants(self):
         self.assertLexerError("'", ERR_UNMATCHED_QUOTE)
         self.assertLexerError("'b\n", ERR_UNMATCHED_QUOTE)
-    
+
         self.assertLexerError("'jx'", ERR_INVALID_CCONST)
         self.assertLexerError("'\*'", ERR_INVALID_CCONST)
-    
+
     def test_string_literals(self):
         self.assertLexerError('"jx\9"', ERR_STRING_ESCAPE)
         self.assertLexerError('"hekllo\* on ix"', ERR_STRING_ESCAPE)
         self.assertLexerError('L"hekllo\* on ix"', ERR_STRING_ESCAPE)
-            
+
     def test_preprocessor(self):
         self.assertLexerError('#line "ka"', ERR_FILENAME_BEFORE_LINE)
         self.assertLexerError('#line df', ERR_INVALID_LINE_DIRECTIVE)
@@ -381,5 +381,5 @@
 
 if __name__ == '__main__':
     unittest.main()
-        
+