Use platform-appropriate newlines in JSON output

base/json_writer_unittest.cc

 // Copyright (c) 2006-2008 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.
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "base/json_writer.h"
 #include "base/values.h"
 
 TEST(JSONWriterTest, Writing) {
   // Test null
@@ skipping 25 matching lines @@
   root = Value::CreateRealValue(0.2);
   JSONWriter::Write(root, false, &output_js);
   ASSERT_EQ("0.2", output_js);
   delete root;
 
   // Test Real values in the the range (-1, 1) must have leading zeros
   root = Value::CreateRealValue(-0.8);
   JSONWriter::Write(root, false, &output_js);
   ASSERT_EQ("-0.8", output_js);
   delete root;
-  
+
   // Writer unittests like empty list/dict nesting,
   // list list nesting, etc.
   DictionaryValue root_dict;
   ListValue* list = new ListValue;
   root_dict.Set(L"list", list);
   DictionaryValue* inner_dict = new DictionaryValue;
   list->Append(inner_dict);
   inner_dict->SetInteger(L"inner int", 10);
   ListValue* inner_list = new ListValue;
   list->Append(inner_list);
   list->Append(Value::CreateBooleanValue(true));
 
+  // Test the pretty-printer.
   JSONWriter::Write(&root_dict, false, &output_js);
   ASSERT_EQ("{\"list\":[{\"inner int\":10},[],true]}", output_js);
   JSONWriter::Write(&root_dict, true, &output_js);
-  ASSERT_EQ("{\r\n"
-            "   \"list\": [ {\r\n"
-            "      \"inner int\": 10\r\n"
-            "   }, [  ], true ]\r\n"
-            "}\r\n",
+  // The pretty-printer uses a different newline style on Windows than on
+  // other platforms.
+#if defined(OS_WIN)
+#define JSON_NEWLINE "\r\n"
+#else
+#define JSON_NEWLINE "\n"
+#endif
+  ASSERT_EQ("{" JSON_NEWLINE
+            "   \"list\": [ {" JSON_NEWLINE
+            "      \"inner int\": 10" JSON_NEWLINE
+            "   }, [  ], true ]" JSON_NEWLINE
+            "}" JSON_NEWLINE,
             output_js);
+#undef JSON_NEWLINE
 }