1 // Copyright (c) 2014 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 "base/trace_event/trace_event_argument.h"
6
7 #include <stddef.h>
8
9 #include <utility>
10
11 #include "base/memory/ptr_util.h"
12 #include "base/values.h"
13 #include "testing/gtest/include/gtest/gtest.h"
14
15 namespace base {
16 namespace trace_event {
17
TEST(TraceEventArgumentTest,FlatDictionary)18 TEST(TraceEventArgumentTest, FlatDictionary) {
19 std::unique_ptr<TracedValue> value(new TracedValue());
20 value->SetBoolean("bool", true);
21 value->SetDouble("double", 0.0);
22 value->SetInteger("int", 2014);
23 value->SetString("string", "string");
24 std::string json = "PREFIX";
25 value->AppendAsTraceFormat(&json);
26 EXPECT_EQ(
27 "PREFIX{\"bool\":true,\"double\":0.0,\"int\":2014,\"string\":\"string\"}",
28 json);
29 }
30
TEST(TraceEventArgumentTest,NoDotPathExpansion)31 TEST(TraceEventArgumentTest, NoDotPathExpansion) {
32 std::unique_ptr<TracedValue> value(new TracedValue());
33 value->SetBoolean("bo.ol", true);
34 value->SetDouble("doub.le", 0.0);
35 value->SetInteger("in.t", 2014);
36 value->SetString("str.ing", "str.ing");
37 std::string json;
38 value->AppendAsTraceFormat(&json);
39 EXPECT_EQ(
40 "{\"bo.ol\":true,\"doub.le\":0.0,\"in.t\":2014,\"str.ing\":\"str.ing\"}",
41 json);
42 }
43
TEST(TraceEventArgumentTest,Hierarchy)44 TEST(TraceEventArgumentTest, Hierarchy) {
45 std::unique_ptr<TracedValue> value(new TracedValue());
46 value->BeginArray("a1");
47 value->AppendInteger(1);
48 value->AppendBoolean(true);
49 value->BeginDictionary();
50 value->SetInteger("i2", 3);
51 value->EndDictionary();
52 value->EndArray();
53 value->SetBoolean("b0", true);
54 value->SetDouble("d0", 0.0);
55 value->BeginDictionary("dict1");
56 value->BeginDictionary("dict2");
57 value->SetBoolean("b2", false);
58 value->EndDictionary();
59 value->SetInteger("i1", 2014);
60 value->SetString("s1", "foo");
61 value->EndDictionary();
62 value->SetInteger("i0", 2014);
63 value->SetString("s0", "foo");
64 std::string json;
65 value->AppendAsTraceFormat(&json);
66 EXPECT_EQ(
67 "{\"a1\":[1,true,{\"i2\":3}],\"b0\":true,\"d0\":0.0,\"dict1\":{\"dict2\":"
68 "{\"b2\":false},\"i1\":2014,\"s1\":\"foo\"},\"i0\":2014,\"s0\":"
69 "\"foo\"}",
70 json);
71 }
72
TEST(TraceEventArgumentTest,LongStrings)73 TEST(TraceEventArgumentTest, LongStrings) {
74 std::string kLongString = "supercalifragilisticexpialidocious";
75 std::string kLongString2 = "0123456789012345678901234567890123456789";
76 char kLongString3[4096];
77 for (size_t i = 0; i < sizeof(kLongString3); ++i)
78 kLongString3[i] = 'a' + (i % 25);
79 kLongString3[sizeof(kLongString3) - 1] = '\0';
80
81 std::unique_ptr<TracedValue> value(new TracedValue());
82 value->SetString("a", "short");
83 value->SetString("b", kLongString);
84 value->BeginArray("c");
85 value->AppendString(kLongString2);
86 value->AppendString("");
87 value->BeginDictionary();
88 value->SetString("a", kLongString3);
89 value->EndDictionary();
90 value->EndArray();
91
92 std::string json;
93 value->AppendAsTraceFormat(&json);
94 EXPECT_EQ("{\"a\":\"short\",\"b\":\"" + kLongString + "\",\"c\":[\"" +
95 kLongString2 + "\",\"\",{\"a\":\"" + kLongString3 + "\"}]}",
96 json);
97 }
98
TEST(TraceEventArgumentTest,PassBaseValue)99 TEST(TraceEventArgumentTest, PassBaseValue) {
100 Value int_value(42);
101 Value bool_value(true);
102 Value double_value(42.0f);
103
104 auto dict_value = WrapUnique(new DictionaryValue);
105 dict_value->SetBoolean("bool", true);
106 dict_value->SetInteger("int", 42);
107 dict_value->SetDouble("double", 42.0f);
108 dict_value->SetString("string", std::string("a") + "b");
109 dict_value->SetString("string", std::string("a") + "b");
110
111 auto list_value = WrapUnique(new ListValue);
112 list_value->AppendBoolean(false);
113 list_value->AppendInteger(1);
114 list_value->AppendString("in_list");
115 list_value->Append(std::move(dict_value));
116
117 std::unique_ptr<TracedValue> value(new TracedValue());
118 value->BeginDictionary("outer_dict");
119 value->SetValue("inner_list", std::move(list_value));
120 value->EndDictionary();
121
122 dict_value.reset();
123 list_value.reset();
124
125 std::string json;
126 value->AppendAsTraceFormat(&json);
127 EXPECT_EQ(
128 "{\"outer_dict\":{\"inner_list\":[false,1,\"in_list\",{\"bool\":true,"
129 "\"double\":42.0,\"int\":42,\"string\":\"ab\"}]}}",
130 json);
131 }
132
TEST(TraceEventArgumentTest,PassTracedValue)133 TEST(TraceEventArgumentTest, PassTracedValue) {
134 auto dict_value = std::make_unique<TracedValue>();
135 dict_value->SetInteger("a", 1);
136
137 auto nested_dict_value = std::make_unique<TracedValue>();
138 nested_dict_value->SetInteger("b", 2);
139 nested_dict_value->BeginArray("c");
140 nested_dict_value->AppendString("foo");
141 nested_dict_value->EndArray();
142
143 dict_value->SetValue("e", *nested_dict_value);
144
145 // Check the merged result.
146 std::string json;
147 dict_value->AppendAsTraceFormat(&json);
148 EXPECT_EQ("{\"a\":1,\"e\":{\"b\":2,\"c\":[\"foo\"]}}", json);
149
150 // Check that the passed nestd dict was left unouthced.
151 json = "";
152 nested_dict_value->AppendAsTraceFormat(&json);
153 EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"]}", json);
154
155 // And that it is still usable.
156 nested_dict_value->SetInteger("f", 3);
157 nested_dict_value->BeginDictionary("g");
158 nested_dict_value->EndDictionary();
159 json = "";
160 nested_dict_value->AppendAsTraceFormat(&json);
161 EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"],\"f\":3,\"g\":{}}", json);
162 }
163
164 } // namespace trace_event
165 } // namespace base
166