[Extension API Extern Generation] Fix comment indentation

tools/json_schema_compiler/code_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.
 
 from code import Code
 import unittest
 
 class CodeTest(unittest.TestCase):
   def testAppend(self):
@@ skipping 116 matching lines @@
         '// word, length',
         c.Render())
     c = Code()
     c.Sblock('sblock')
     c.Comment(long_comment)
     c.Eblock('eblock')
     c.Comment(long_comment)
     self.assertEquals(
         'sblock\n'
         '  // This comment is eighty nine characters '
         'in longness, that is, to use\n'

[Devlin, 2015/03/26 22:36:54]

Here, on an 80 char line, 'another' fits on the previous line.

[Dan Beam, 2015/03/26 22:41:49]

hmmm, I'd just update. seems like an off-by-one error

[Devlin, 2015/03/26 23:13:08]

Done.

         '  // another word, length\n'
         'eblock\n'
         '// This comment is eighty nine characters in '
         'longness, that is, to use another\n'
         '// word, length',
         c.Render())
     long_word = 'x' * 100
     c = Code()
     c.Comment(long_word)
     self.assertEquals(
         '// ' + 'x' * 77 + '\n'
         '// ' + 'x' * 23,
         c.Render())
+    c = Code(indent_size=2, comment_length=40)
+    c.Comment('Pretend this is a Closure Compiler style comment, which should '
+        'both wrap and indent', comment_prefix=' * ', wrap_indent=4)
+    self.assertEquals(
+        ' * Pretend this is a Closure Compiler\n'
+        ' *     style comment, which should both\n'
+        ' *     wrap and indent',
+        c.Render())
 
   def testCommentWithSpecialCharacters(self):
     c = Code()
     c.Comment('20% of 80%s')
     c.Substitute({})
     self.assertEquals('// 20% of 80%s', c.Render())
     d = Code()
     d.Append('90')
     d.Concat(c)
     self.assertEquals('90\n'
         '// 20% of 80%s',
         d.Render())
 
 if __name__ == '__main__':
   unittest.main()