1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
// 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 <gtest/gtest.h>
#include "base/memory/ptr_util.h"
#include "base/values.h"
#include "build/build_config.h"
namespace base {
TEST(JSONWriterTest, BasicTypes) {
std::string output_js;
// Test null.
EXPECT_TRUE(JSONWriter::Write(*Value::CreateNullValue(), &output_js));
EXPECT_EQ("null", output_js);
// Test empty dict.
EXPECT_TRUE(JSONWriter::Write(DictionaryValue(), &output_js));
EXPECT_EQ("{}", output_js);
// Test empty list.
EXPECT_TRUE(JSONWriter::Write(ListValue(), &output_js));
EXPECT_EQ("[]", output_js);
// Test integer values.
EXPECT_TRUE(JSONWriter::Write(FundamentalValue(42), &output_js));
EXPECT_EQ("42", output_js);
// Test boolean values.
EXPECT_TRUE(JSONWriter::Write(FundamentalValue(true), &output_js));
EXPECT_EQ("true", output_js);
// Test Real values should always have a decimal or an 'e'.
EXPECT_TRUE(JSONWriter::Write(FundamentalValue(1.0), &output_js));
EXPECT_EQ("1.0", output_js);
// Test Real values in the the range (-1, 1) must have leading zeros
EXPECT_TRUE(JSONWriter::Write(FundamentalValue(0.2), &output_js));
EXPECT_EQ("0.2", output_js);
// Test Real values in the the range (-1, 1) must have leading zeros
EXPECT_TRUE(JSONWriter::Write(FundamentalValue(-0.8), &output_js));
EXPECT_EQ("-0.8", output_js);
// Test String values.
EXPECT_TRUE(JSONWriter::Write(StringValue("foo"), &output_js));
EXPECT_EQ("\"foo\"", output_js);
}
TEST(JSONWriterTest, NestedTypes) {
std::string output_js;
// Writer unittests like empty list/dict nesting,
// list list nesting, etc.
DictionaryValue root_dict;
std::unique_ptr<ListValue> list(new ListValue());
std::unique_ptr<DictionaryValue> inner_dict(new DictionaryValue());
inner_dict->SetInteger("inner int", 10);
list->Append(std::move(inner_dict));
list->Append(WrapUnique(new ListValue()));
list->AppendBoolean(true);
root_dict.Set("list", std::move(list));
// Test the pretty-printer.
EXPECT_TRUE(JSONWriter::Write(root_dict, &output_js));
EXPECT_EQ("{\"list\":[{\"inner int\":10},[],true]}", output_js);
EXPECT_TRUE(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
EXPECT_EQ("{" JSON_NEWLINE
" \"list\": [ {" JSON_NEWLINE
" \"inner int\": 10" JSON_NEWLINE
" }, [ ], true ]" JSON_NEWLINE
"}" JSON_NEWLINE,
output_js);
#undef JSON_NEWLINE
}
TEST(JSONWriterTest, KeysWithPeriods) {
std::string output_js;
DictionaryValue period_dict;
period_dict.SetIntegerWithoutPathExpansion("a.b", 3);
period_dict.SetIntegerWithoutPathExpansion("c", 2);
std::unique_ptr<DictionaryValue> period_dict2(new DictionaryValue());
period_dict2->SetIntegerWithoutPathExpansion("g.h.i.j", 1);
period_dict.SetWithoutPathExpansion("d.e.f", std::move(period_dict2));
EXPECT_TRUE(JSONWriter::Write(period_dict, &output_js));
EXPECT_EQ("{\"a.b\":3,\"c\":2,\"d.e.f\":{\"g.h.i.j\":1}}", output_js);
DictionaryValue period_dict3;
period_dict3.SetInteger("a.b", 2);
period_dict3.SetIntegerWithoutPathExpansion("a.b", 1);
EXPECT_TRUE(JSONWriter::Write(period_dict3, &output_js));
EXPECT_EQ("{\"a\":{\"b\":2},\"a.b\":1}", output_js);
}
TEST(JSONWriterTest, BinaryValues) {
std::string output_js;
// Binary values should return errors unless suppressed via the
// OPTIONS_OMIT_BINARY_VALUES flag.
std::unique_ptr<Value> root(BinaryValue::CreateWithCopiedBuffer("asdf", 4));
EXPECT_FALSE(JSONWriter::Write(*root, &output_js));
EXPECT_TRUE(JSONWriter::WriteWithOptions(
*root, JSONWriter::OPTIONS_OMIT_BINARY_VALUES, &output_js));
EXPECT_TRUE(output_js.empty());
ListValue binary_list;
binary_list.Append(BinaryValue::CreateWithCopiedBuffer("asdf", 4));
binary_list.Append(WrapUnique(new FundamentalValue(5)));
binary_list.Append(BinaryValue::CreateWithCopiedBuffer("asdf", 4));
binary_list.Append(WrapUnique(new FundamentalValue(2)));
binary_list.Append(BinaryValue::CreateWithCopiedBuffer("asdf", 4));
EXPECT_FALSE(JSONWriter::Write(binary_list, &output_js));
EXPECT_TRUE(JSONWriter::WriteWithOptions(
binary_list, JSONWriter::OPTIONS_OMIT_BINARY_VALUES, &output_js));
EXPECT_EQ("[5,2]", output_js);
DictionaryValue binary_dict;
binary_dict.Set("a", BinaryValue::CreateWithCopiedBuffer("asdf", 4));
binary_dict.SetInteger("b", 5);
binary_dict.Set("c", BinaryValue::CreateWithCopiedBuffer("asdf", 4));
binary_dict.SetInteger("d", 2);
binary_dict.Set("e", BinaryValue::CreateWithCopiedBuffer("asdf", 4));
EXPECT_FALSE(JSONWriter::Write(binary_dict, &output_js));
EXPECT_TRUE(JSONWriter::WriteWithOptions(
binary_dict, JSONWriter::OPTIONS_OMIT_BINARY_VALUES, &output_js));
EXPECT_EQ("{\"b\":5,\"d\":2}", output_js);
}
TEST(JSONWriterTest, DoublesAsInts) {
std::string output_js;
// Test allowing a double with no fractional part to be written as an integer.
FundamentalValue double_value(1e10);
EXPECT_TRUE(JSONWriter::WriteWithOptions(
double_value, JSONWriter::OPTIONS_OMIT_DOUBLE_TYPE_PRESERVATION,
&output_js));
EXPECT_EQ("10000000000", output_js);
}
} // namespace base
|
