1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <vector>
6
7 #include "base/file_util.h"
8 #include "base/path_service.h"
9 #include "base/perftimer.h"
10 #include "base/string_util.h"
11 #include "base/values.h"
12 #include "chrome/common/chrome_paths.h"
13 #include "chrome/common/logging_chrome.h"
14 #include "content/common/json_value_serializer.h"
15 #include "testing/gtest/include/gtest/gtest.h"
16
17 namespace {
18 class JSONValueSerializerTests : public testing::Test {
19 protected:
SetUp()20 virtual void SetUp() {
21 static const char* const kTestFilenames[] = {
22 "serializer_nested_test.js",
23 "serializer_test.js",
24 "serializer_test_nowhitespace.js",
25 };
26
27 // Load test cases
28 for (size_t i = 0; i < arraysize(kTestFilenames); ++i) {
29 FilePath filename;
30 EXPECT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &filename));
31 filename = filename.AppendASCII(kTestFilenames[i]);
32
33 std::string test_case;
34 EXPECT_TRUE(file_util::ReadFileToString(filename, &test_case));
35 test_cases_.push_back(test_case);
36 }
37 }
38
39 // Holds json strings to be tested.
40 std::vector<std::string> test_cases_;
41 };
42
43 } // namespace
44
45 // Test deserialization of a json string into a Value object. We run the test
46 // using 3 sample strings for both the current decoder and jsoncpp's decoder.
TEST_F(JSONValueSerializerTests,Reading)47 TEST_F(JSONValueSerializerTests, Reading) {
48 printf("\n");
49 const int kIterations = 100000;
50
51 // Test chrome json implementation
52 PerfTimeLogger chrome_timer("chrome");
53 for (int i = 0; i < kIterations; ++i) {
54 for (size_t j = 0; j < test_cases_.size(); ++j) {
55 JSONStringValueSerializer reader(test_cases_[j]);
56 scoped_ptr<Value> root(reader.Deserialize(NULL, NULL));
57 ASSERT_TRUE(root.get());
58 }
59 }
60 chrome_timer.Done();
61 }
62
TEST_F(JSONValueSerializerTests,CompactWriting)63 TEST_F(JSONValueSerializerTests, CompactWriting) {
64 printf("\n");
65 const int kIterations = 100000;
66 // Convert test cases to Value objects.
67 std::vector<Value*> test_cases;
68 for (size_t i = 0; i < test_cases_.size(); ++i) {
69 JSONStringValueSerializer reader(test_cases_[i]);
70 Value* root = reader.Deserialize(NULL, NULL);
71 ASSERT_TRUE(root);
72 test_cases.push_back(root);
73 }
74
75 PerfTimeLogger chrome_timer("chrome");
76 for (int i = 0; i < kIterations; ++i) {
77 for (size_t j = 0; j < test_cases.size(); ++j) {
78 std::string json;
79 JSONStringValueSerializer reader(&json);
80 ASSERT_TRUE(reader.Serialize(*test_cases[j]));
81 }
82 }
83 chrome_timer.Done();
84
85 // Clean up test cases.
86 for (size_t i = 0; i < test_cases.size(); ++i) {
87 delete test_cases[i];
88 test_cases[i] = NULL;
89 }
90 }
91