15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/json/json_writer.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(JSONWriterTest, Writing) { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test null 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Value* root = Value::CreateNullValue(); 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string output_js; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(root, &output_js); 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("null", output_js); 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete root; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test empty dict 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) root = new DictionaryValue; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(root, &output_js); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("{}", output_js); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete root; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test empty list 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) root = new ListValue; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(root, &output_js); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("[]", output_js); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete root; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test Real values should always have a decimal or an 'e'. 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root = new FundamentalValue(1.0); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(root, &output_js); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("1.0", output_js); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete root; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test Real values in the the range (-1, 1) must have leading zeros 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root = new FundamentalValue(0.2); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(root, &output_js); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("0.2", output_js); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete root; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test Real values in the the range (-1, 1) must have leading zeros 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root = new FundamentalValue(-0.8); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(root, &output_js); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("-0.8", output_js); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete root; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Writer unittests like empty list/dict nesting, 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // list list nesting, etc. 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DictionaryValue root_dict; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListValue* list = new ListValue; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) root_dict.Set("list", list); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DictionaryValue* inner_dict = new DictionaryValue; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) list->Append(inner_dict); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) inner_dict->SetInteger("inner int", 10); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListValue* inner_list = new ListValue; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) list->Append(inner_list); 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) list->Append(new FundamentalValue(true)); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test the pretty-printer. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(&root_dict, &output_js); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("{\"list\":[{\"inner int\":10},[],true]}", output_js); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::WriteWithOptions(&root_dict, JSONWriter::OPTIONS_PRETTY_PRINT, 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &output_js); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The pretty-printer uses a different newline style on Windows than on 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // other platforms. 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define JSON_NEWLINE "\r\n" 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define JSON_NEWLINE "\n" 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("{" JSON_NEWLINE 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) " \"list\": [ {" JSON_NEWLINE 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) " \"inner int\": 10" JSON_NEWLINE 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) " }, [ ], true ]" JSON_NEWLINE 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "}" JSON_NEWLINE, 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) output_js); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#undef JSON_NEWLINE 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test keys with periods 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DictionaryValue period_dict; 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) period_dict.SetWithoutPathExpansion("a.b", new FundamentalValue(3)); 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) period_dict.SetWithoutPathExpansion("c", new FundamentalValue(2)); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DictionaryValue* period_dict2 = new DictionaryValue; 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) period_dict2->SetWithoutPathExpansion("g.h.i.j", new FundamentalValue(1)); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) period_dict.SetWithoutPathExpansion("d.e.f", period_dict2); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(&period_dict, &output_js); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("{\"a.b\":3,\"c\":2,\"d.e.f\":{\"g.h.i.j\":1}}", output_js); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DictionaryValue period_dict3; 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) period_dict3.Set("a.b", new FundamentalValue(2)); 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) period_dict3.SetWithoutPathExpansion("a.b", new FundamentalValue(1)); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::Write(&period_dict3, &output_js); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("{\"a\":{\"b\":2},\"a.b\":1}", output_js); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test omitting binary values. 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) root = BinaryValue::CreateWithCopiedBuffer("asdf", 4); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::WriteWithOptions(root, JSONWriter::OPTIONS_OMIT_BINARY_VALUES, 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &output_js); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(output_js.empty()); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete root; 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ListValue binary_list; 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) binary_list.Append(new FundamentalValue(5)); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) binary_list.Append(BinaryValue::CreateWithCopiedBuffer("asdf", 4)); 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) binary_list.Append(new FundamentalValue(2)); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::WriteWithOptions(&binary_list, 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::OPTIONS_OMIT_BINARY_VALUES, 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &output_js); 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("[5,2]", output_js); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DictionaryValue binary_dict; 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) binary_dict.Set("a", new FundamentalValue(5)); 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) binary_dict.Set("b", BinaryValue::CreateWithCopiedBuffer("asdf", 4)); 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) binary_dict.Set("c", new FundamentalValue(2)); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::WriteWithOptions(&binary_dict, 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::OPTIONS_OMIT_BINARY_VALUES, 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &output_js); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("{\"a\":5,\"c\":2}", output_js); 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test allowing a double with no fractional part to be written as an integer. 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FundamentalValue double_value(1e10); 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::WriteWithOptions( 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &double_value, 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION, 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &output_js); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ("10000000000", output_js); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 132