Extensions: Support forIOThread function schema attribute for IDL files.

tools/json_schema_compiler/idl_schema_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import idl_schema
 import unittest
 
 from json_parse import OrderedDict
 
@@ skipping 61 matching lines @@
         'x': {'name': 'x', 'type': 'integer', 'enum': [1,2],
               'description': 'This comment tests "double-quotes".',
               'jsexterns': None},
         'y': {'name': 'y', 'type': 'string'},
         'z': {'name': 'z', 'type': 'string'},
         'a': {'name': 'a', 'type': 'string'},
         'b': {'name': 'b', 'type': 'string'},
         'c': {'name': 'c', 'type': 'string'}},
       getType(self.idl_basics, 'MyType1')['properties'])
 
+  def testIOThreadFunc(self):
+    schema = self.idl_basics
+
+    func = getFunction(schema, 'function32')
+    self.assertTrue(func is not None)
+    self.assertTrue(func['forIOThread'])
+
+    func = getFunction(schema, 'function1')
+    self.assertTrue(func is not None)
+    self.assertTrue('forIOThread' not in func)
+
   def testMemberOrdering(self):
     self.assertEquals(
         ['x', 'y', 'z', 'a', 'b', 'c'],
         getType(self.idl_basics, 'MyType1')['properties'].keys())
 
   def testEnum(self):
     schema = self.idl_basics
     expected = {'enum': [{'name': 'name1', 'description': 'comment1'},
                          {'name': 'name2'}],
                 'description': 'Enum description',
@@ skipping 330 matching lines @@
       ('fourth', OrderedDict([
         ('description', 'Unvalued property.'),
         ('jsexterns', None),
         ('type', 'integer'),
       ])),
     ]), schema.get('properties'))
 
 
 if __name__ == '__main__':
   unittest.main()