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// 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
Value* root = Value::CreateNullValue();
std::string output_js;
JSONWriter::Write(root, false, &output_js);
ASSERT_EQ("null", output_js);
delete root;
// Test empty dict
root = new DictionaryValue;
JSONWriter::Write(root, false, &output_js);
ASSERT_EQ("{}", output_js);
delete root;
// Test empty list
root = new ListValue;
JSONWriter::Write(root, false, &output_js);
ASSERT_EQ("[]", output_js);
delete root;
// Test Real values should always have a decimal or an 'e'.
root = Value::CreateRealValue(1.0);
JSONWriter::Write(root, false, &output_js);
ASSERT_EQ("1.0", output_js);
delete root;
// Test Real values in the the range (-1, 1) must have leading zeros
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);
// 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
}
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