132 lines
4.5 KiB
C++
132 lines
4.5 KiB
C++
// 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.
|
|
|
|
#include "base/json/json_writer.h"
|
|
#include "base/values.h"
|
|
#include "testing/gtest/include/gtest/gtest.h"
|
|
|
|
namespace base {
|
|
|
|
TEST(JSONWriterTest, Writing) {
|
|
// Test null
|
|
Value* root = Value::CreateNullValue();
|
|
std::string output_js;
|
|
JSONWriter::Write(root, &output_js);
|
|
ASSERT_EQ("null", output_js);
|
|
delete root;
|
|
|
|
// Test empty dict
|
|
root = new DictionaryValue;
|
|
JSONWriter::Write(root, &output_js);
|
|
ASSERT_EQ("{}", output_js);
|
|
delete root;
|
|
|
|
// Test empty list
|
|
root = new ListValue;
|
|
JSONWriter::Write(root, &output_js);
|
|
ASSERT_EQ("[]", output_js);
|
|
delete root;
|
|
|
|
// Test Real values should always have a decimal or an 'e'.
|
|
root = new FundamentalValue(1.0);
|
|
JSONWriter::Write(root, &output_js);
|
|
ASSERT_EQ("1.0", output_js);
|
|
delete root;
|
|
|
|
// Test Real values in the the range (-1, 1) must have leading zeros
|
|
root = new FundamentalValue(0.2);
|
|
JSONWriter::Write(root, &output_js);
|
|
ASSERT_EQ("0.2", output_js);
|
|
delete root;
|
|
|
|
// Test Real values in the the range (-1, 1) must have leading zeros
|
|
root = new FundamentalValue(-0.8);
|
|
JSONWriter::Write(root, &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("list", list);
|
|
DictionaryValue* inner_dict = new DictionaryValue;
|
|
list->Append(inner_dict);
|
|
inner_dict->SetInteger("inner int", 10);
|
|
ListValue* inner_list = new ListValue;
|
|
list->Append(inner_list);
|
|
list->Append(new FundamentalValue(true));
|
|
|
|
// Test the pretty-printer.
|
|
JSONWriter::Write(&root_dict, &output_js);
|
|
ASSERT_EQ("{\"list\":[{\"inner int\":10},[],true]}", output_js);
|
|
JSONWriter::WriteWithOptions(&root_dict, JSONWriter::OPTIONS_PRETTY_PRINT,
|
|
&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
|
|
|
|
// Test keys with periods
|
|
DictionaryValue period_dict;
|
|
period_dict.SetWithoutPathExpansion("a.b", new FundamentalValue(3));
|
|
period_dict.SetWithoutPathExpansion("c", new FundamentalValue(2));
|
|
DictionaryValue* period_dict2 = new DictionaryValue;
|
|
period_dict2->SetWithoutPathExpansion("g.h.i.j", new FundamentalValue(1));
|
|
period_dict.SetWithoutPathExpansion("d.e.f", period_dict2);
|
|
JSONWriter::Write(&period_dict, &output_js);
|
|
ASSERT_EQ("{\"a.b\":3,\"c\":2,\"d.e.f\":{\"g.h.i.j\":1}}", output_js);
|
|
|
|
DictionaryValue period_dict3;
|
|
period_dict3.Set("a.b", new FundamentalValue(2));
|
|
period_dict3.SetWithoutPathExpansion("a.b", new FundamentalValue(1));
|
|
JSONWriter::Write(&period_dict3, &output_js);
|
|
ASSERT_EQ("{\"a\":{\"b\":2},\"a.b\":1}", output_js);
|
|
|
|
// Test omitting binary values.
|
|
root = BinaryValue::CreateWithCopiedBuffer("asdf", 4);
|
|
JSONWriter::WriteWithOptions(root, JSONWriter::OPTIONS_OMIT_BINARY_VALUES,
|
|
&output_js);
|
|
ASSERT_TRUE(output_js.empty());
|
|
delete root;
|
|
|
|
ListValue binary_list;
|
|
binary_list.Append(new FundamentalValue(5));
|
|
binary_list.Append(BinaryValue::CreateWithCopiedBuffer("asdf", 4));
|
|
binary_list.Append(new FundamentalValue(2));
|
|
JSONWriter::WriteWithOptions(&binary_list,
|
|
JSONWriter::OPTIONS_OMIT_BINARY_VALUES,
|
|
&output_js);
|
|
ASSERT_EQ("[5,2]", output_js);
|
|
|
|
DictionaryValue binary_dict;
|
|
binary_dict.Set("a", new FundamentalValue(5));
|
|
binary_dict.Set("b", BinaryValue::CreateWithCopiedBuffer("asdf", 4));
|
|
binary_dict.Set("c", new FundamentalValue(2));
|
|
JSONWriter::WriteWithOptions(&binary_dict,
|
|
JSONWriter::OPTIONS_OMIT_BINARY_VALUES,
|
|
&output_js);
|
|
ASSERT_EQ("{\"a\":5,\"c\":2}", output_js);
|
|
|
|
// Test allowing a double with no fractional part to be written as an integer.
|
|
FundamentalValue double_value(1e10);
|
|
JSONWriter::WriteWithOptions(
|
|
&double_value,
|
|
JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION,
|
|
&output_js);
|
|
ASSERT_EQ("10000000000", output_js);
|
|
}
|
|
|
|
} // namespace base
|