Support JSON Schema properties with values in the JSON Schema Compiler.

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 373 matching lines @@
                  'type': 'function', 'name': 'callback', 'parameters': [{
                    'name': 'x', 'optional': True, 'choices': [
                      {'type': 'integer'},
                      {'type': 'string'}
                    ]
                  }]
                }]
 
     self.assertEquals(expected, badabish_params)
 
+  def testProperties(self):
+    schema = idl_schema.Load('test/idl_properties.idl')[0]
+    self.assertEquals(OrderedDict([
+      ('first', OrderedDict([
+        ('description', 'Integer property.'),
+        ('type', 'integer'),
+        ('value', 42),
+      ])),
+      ('second', OrderedDict([
+        ('description', 'Double property.'),
+        ('type', 'number'),
+        ('value', 42.0),
+      ])),
+      ('third', OrderedDict([
+        ('description', 'String property.'),
+        ('type', 'string'),
+        ('value', 'hello world'),
+      ])),
+      ('fourth', OrderedDict([
+        ('description', 'Unvalued property.'),
+        ('type', 'integer'),
+      ])),
+    ]), schema.get('properties'))
+
 
 if __name__ == '__main__':
   unittest.main()