Initial commit of the Dart Chrome Extension APIs generators

tools/json_schema_compiler/cpp_util_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 cpp_util
 import unittest
 
 class CppUtilTest(unittest.TestCase):
   def testClassname(self):
     self.assertEquals('Permissions', cpp_util.Classname('permissions'))
     self.assertEquals('UpdateAllTheThings',
         cpp_util.Classname('updateAllTheThings'))
     self.assertEquals('Aa_Bb_Cc', cpp_util.Classname('aa.bb.cc'))
 
+  def testNamespaceDeclaration(self):
+    self.assertEquals('namespace extensions {',
+                      cpp_util.OpenNamespace('extensions').Render())
+    self.assertEquals('}  // namespace extensions',
+                      cpp_util.CloseNamespace('extensions').Render())
+    self.assertEquals('namespace extensions {\n'
+                      'namespace gen {\n'
+                      'namespace api {',
+                      cpp_util.OpenNamespace('extensions::gen::api').Render())
+    self.assertEquals('}  // namespace api\n'
+                      '}  // namespace gen\n'
+                      '}  // namespace extensions',
+                      cpp_util.CloseNamespace('extensions::gen::api').Render())
+
 if __name__ == '__main__':
   unittest.main()