Upgrade jsoncpp to 1.9.4

Bug: 170642246
Change-Id: Id1fae5a1b6421117f923c616718ee4b3571231e0
diff --git a/test/runjsontests.py b/test/runjsontests.py
index a1f6082..5496e2c 100644
--- a/test/runjsontests.py
+++ b/test/runjsontests.py
@@ -1,17 +1,41 @@
+# Copyright 2007 Baptiste Lepilleur and The JsonCpp Authors
+# Distributed under MIT license, or public domain if desired and
+# recognized in your jurisdiction.
+# See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
 from __future__ import print_function
+from __future__ import unicode_literals
+from io import open
+from glob import glob
 import sys
 import os
 import os.path
-from glob import glob
 import optparse
 
 VALGRIND_CMD = 'valgrind --tool=memcheck --leak-check=yes --undef-value-errors=yes '
 
-def compareOutputs( expected, actual, message ):
+def getStatusOutput(cmd):
+    """
+    Return int, unicode (for both Python 2 and 3).
+    Note: os.popen().close() would return None for 0.
+    """
+    print(cmd, file=sys.stderr)
+    pipe = os.popen(cmd)
+    process_output = pipe.read()
+    try:
+        # We have been using os.popen(). When we read() the result
+        # we get 'str' (bytes) in py2, and 'str' (unicode) in py3.
+        # Ugh! There must be a better way to handle this.
+        process_output = process_output.decode('utf-8')
+    except AttributeError:
+        pass  # python3
+    status = pipe.close()
+    return status, process_output
+def compareOutputs(expected, actual, message):
     expected = expected.strip().replace('\r','').split('\n')
     actual = actual.strip().replace('\r','').split('\n')
     diff_line = 0
-    max_line_to_compare = min( len(expected), len(actual) )
+    max_line_to_compare = min(len(expected), len(actual))
     for index in range(0,max_line_to_compare):
         if expected[index].strip() != actual[index].strip():
             diff_line = index + 1
@@ -20,7 +44,7 @@
         diff_line = max_line_to_compare+1
     if diff_line == 0:
         return None
-    def safeGetLine( lines, index ):
+    def safeGetLine(lines, index):
         index += -1
         if index >= len(lines):
             return ''
@@ -30,65 +54,86 @@
   Actual:   '%s'
 """ % (message, diff_line,
        safeGetLine(expected,diff_line),
-       safeGetLine(actual,diff_line) )
-        
-def safeReadFile( path ):
+       safeGetLine(actual,diff_line))
+
+def safeReadFile(path):
     try:
-        return file( path, 'rt' ).read()
+        return open(path, 'rt', encoding = 'utf-8').read()
     except IOError as e:
         return '<File "%s" is missing: %s>' % (path,e)
 
-def runAllTests( jsontest_executable_path, input_dir = None,
-                 use_valgrind=False, with_json_checker=False ):
+class FailError(Exception):
+    def __init__(self, msg):
+        super(Exception, self).__init__(msg)
+
+def runAllTests(jsontest_executable_path, input_dir = None,
+                 use_valgrind=False, with_json_checker=False,
+                 writerClass='StyledWriter'):
     if not input_dir:
-        input_dir = os.path.join( os.getcwd(), 'data' )
-    tests = glob( os.path.join( input_dir, '*.json' ) )
+        input_dir = os.path.join(os.getcwd(), 'data')
+    tests = glob(os.path.join(input_dir, '*.json'))
     if with_json_checker:
-        test_jsonchecker = glob( os.path.join( input_dir, '../jsonchecker', '*.json' ) )
+        all_tests = glob(os.path.join(input_dir, '../jsonchecker', '*.json'))
+        # These tests fail with strict json support, but pass with JsonCPP's
+        # extra leniency features. When adding a new exclusion to this list,
+        # remember to add the test's number and reasoning here:
+        known = ["fail{}.json".format(n) for n in [
+            4, 9, # fail because we allow trailing commas
+            7,    # fails because we allow commas after close
+            8,    # fails because we allow extra close
+            10,   # fails because we allow extra values after close
+            13,   # fails because we allow leading zeroes in numbers
+            18,   # fails because we allow deeply nested values
+            25,   # fails because we allow tab characters in strings
+            27,   # fails because we allow string line breaks
+        ]]
+        test_jsonchecker = [ test for test in all_tests
+                             if os.path.basename(test) not in known]
+
     else:
         test_jsonchecker = []
+
     failed_tests = []
     valgrind_path = use_valgrind and VALGRIND_CMD or ''
     for input_path in tests + test_jsonchecker:
-        expect_failure = os.path.basename( input_path ).startswith( 'fail' )
+        expect_failure = os.path.basename(input_path).startswith('fail')
         is_json_checker_test = (input_path in test_jsonchecker) or expect_failure
         print('TESTING:', input_path, end=' ')
         options = is_json_checker_test and '--json-checker' or ''
-        pipe = os.popen( "%s%s %s %s" % (
-            valgrind_path, jsontest_executable_path, options,
-            input_path) )
-        process_output = pipe.read()
-        status = pipe.close()
+        options += ' --json-writer %s'%writerClass
+        cmd = '%s%s %s "%s"' % (            valgrind_path, jsontest_executable_path, options,
+            input_path)
+        status, process_output = getStatusOutput(cmd)
         if is_json_checker_test:
             if expect_failure:
-                if status is None:
+                if not status:
                     print('FAILED')
-                    failed_tests.append( (input_path, 'Parsing should have failed:\n%s' %
-                                          safeReadFile(input_path)) )
+                    failed_tests.append((input_path, 'Parsing should have failed:\n%s' %
+                                          safeReadFile(input_path)))
                 else:
                     print('OK')
             else:
-                if status is not None:
+                if status:
                     print('FAILED')
-                    failed_tests.append( (input_path, 'Parsing failed:\n' + process_output) )
+                    failed_tests.append((input_path, 'Parsing failed:\n' + process_output))
                 else:
                     print('OK')
         else:
             base_path = os.path.splitext(input_path)[0]
-            actual_output = safeReadFile( base_path + '.actual' )
-            actual_rewrite_output = safeReadFile( base_path + '.actual-rewrite' )
-            file(base_path + '.process-output','wt').write( process_output )
+            actual_output = safeReadFile(base_path + '.actual')
+            actual_rewrite_output = safeReadFile(base_path + '.actual-rewrite')
+            open(base_path + '.process-output', 'wt', encoding = 'utf-8').write(process_output)
             if status:
                 print('parsing failed')
-                failed_tests.append( (input_path, 'Parsing failed:\n' + process_output) )
+                failed_tests.append((input_path, 'Parsing failed:\n' + process_output))
             else:
                 expected_output_path = os.path.splitext(input_path)[0] + '.expected'
-                expected_output = file( expected_output_path, 'rt' ).read()
-                detail = ( compareOutputs( expected_output, actual_output, 'input' )
-                            or compareOutputs( expected_output, actual_rewrite_output, 'rewrite' ) )
+                expected_output = open(expected_output_path, 'rt', encoding = 'utf-8').read()
+                detail = (compareOutputs(expected_output, actual_output, 'input')
+                            or compareOutputs(expected_output, actual_rewrite_output, 'rewrite'))
                 if detail:
                     print('FAILED')
-                    failed_tests.append( (input_path, detail) )
+                    failed_tests.append((input_path, detail))
                 else:
                     print('OK')
 
@@ -100,15 +145,14 @@
             print(failed_test[1])
             print()
         print('Test results: %d passed, %d failed.' % (len(tests)-len(failed_tests),
-                                                       len(failed_tests) ))
-        return 1
+                                                       len(failed_tests)))
+        raise FailError(repr(failed_tests))
     else:
         print('All %d tests passed.' % len(tests))
-        return 0
 
 def main():
     from optparse import OptionParser
-    parser = OptionParser( usage="%prog [options] <path to jsontestrunner.exe> [test case directory]" )
+    parser = OptionParser(usage="%prog [options] <path to jsontestrunner.exe> [test case directory]")
     parser.add_option("--valgrind",
                   action="store_true", dest="valgrind", default=False,
                   help="run all the tests using valgrind to detect memory leaks")
@@ -119,17 +163,29 @@
     options, args = parser.parse_args()
 
     if len(args) < 1 or len(args) > 2:
-        parser.error( 'Must provides at least path to jsontestrunner executable.' )
-        sys.exit( 1 )
+        parser.error('Must provides at least path to jsontestrunner executable.')
+        sys.exit(1)
 
-    jsontest_executable_path = os.path.normpath( os.path.abspath( args[0] ) )
+    jsontest_executable_path = os.path.normpath(os.path.abspath(args[0]))
     if len(args) > 1:
-        input_path = os.path.normpath( os.path.abspath( args[1] ) )
+        input_path = os.path.normpath(os.path.abspath(args[1]))
     else:
         input_path = None
-    status = runAllTests( jsontest_executable_path, input_path,
-                          use_valgrind=options.valgrind, with_json_checker=options.with_json_checker )
-    sys.exit( status )
+    runAllTests(jsontest_executable_path, input_path,
+                         use_valgrind=options.valgrind,
+                         with_json_checker=options.with_json_checker,
+                         writerClass='StyledWriter')
+    runAllTests(jsontest_executable_path, input_path,
+                         use_valgrind=options.valgrind,
+                         with_json_checker=options.with_json_checker,
+                         writerClass='StyledStreamWriter')
+    runAllTests(jsontest_executable_path, input_path,
+                         use_valgrind=options.valgrind,
+                         with_json_checker=options.with_json_checker,
+                         writerClass='BuiltStyledStreamWriter')
 
 if __name__ == '__main__':
-    main()
+    try:
+        main()
+    except FailError:
+        sys.exit(1)