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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
package json
import (
"bytes"
"strings"
"testing"
)
func TestParseString(t *testing.T) {
tests := []struct {
in string
out string
ext string
err string
}{
{`""`, `""`, ``, ``},
{`"1234567890"`, `"1234567890"`, ``, ``},
{`"Hello World!"`, `"Hello World!"`, ``, ``},
{`"Hello\"World!"`, `"Hello\"World!"`, ``, ``},
{`"\\"`, `"\\"`, ``, ``},
{`"\u0061\u0062\u0063"`, `"\u0061\u0062\u0063"`, ``, ``},
{`"\u0"`, ``, ``, `json: unicode code point must have at least 4 characters: 0"`},
}
d := decoder{}
for _, test := range tests {
t.Run(test.in, func(t *testing.T) {
out, ext, _, err := d.parseString([]byte(test.in))
if test.err == "" {
if err != nil {
t.Errorf("%s => %s", test.in, err)
return
}
} else {
if s := err.Error(); s != test.err {
t.Error("invalid error")
t.Logf("expected: %s", test.err)
t.Logf("found: %s", s)
}
}
if s := string(out); s != test.out {
t.Error("invalid output")
t.Logf("expected: %s", test.out)
t.Logf("found: %s", s)
}
if s := string(ext); s != test.ext {
t.Error("invalid extra bytes")
t.Logf("expected: %s", test.ext)
t.Logf("found: %s", s)
}
})
}
}
func TestParseStringUnquote(t *testing.T) {
tests := []struct {
in string
out string
ext string
}{
{`""`, ``, ``},
{`"1234567890"`, `1234567890`, ``},
{`"Hello World!"`, `Hello World!`, ``},
{`"Hello\"World!"`, `Hello"World!`, ``},
{`"\\"`, `\`, ``},
{`"\u0061\u0062\u0063"`, `abc`, ``},
}
d := decoder{}
for _, test := range tests {
t.Run(test.in, func(t *testing.T) {
out, ext, _, err := d.parseStringUnquote([]byte(test.in), nil)
if err != nil {
t.Errorf("%s => %s", test.in, err)
return
}
if s := string(out); s != test.out {
t.Error("invalid output")
t.Logf("expected: %s", test.out)
t.Logf("found: %s", s)
}
if s := string(ext); s != test.ext {
t.Error("invalid extra bytes")
t.Logf("expected: %s", test.ext)
t.Logf("found: %s", s)
}
})
}
}
func TestAppendToLower(t *testing.T) {
tests := []string{
"",
"A",
"a",
"__segment_internal",
"someFieldWithALongBName",
"Hello World!",
"Hello\"World!",
"Hello\\World!",
"Hello\nWorld!",
"Hello\rWorld!",
"Hello\tWorld!",
"Hello\bWorld!",
"Hello\fWorld!",
"你好",
"<",
">",
"&",
"\u001944",
"\u00c2e>",
"\u00c2V?",
"\u000e=8",
"\u001944\u00c2e>\u00c2V?\u000e=8",
"ir\u001bQJ\u007f\u0007y\u0015)",
}
for _, test := range tests {
s1 := strings.ToLower(test)
s2 := string(appendToLower(nil, []byte(test)))
if s1 != s2 {
t.Error("lowercase values mismatch")
t.Log("expected:", s1)
t.Log("found: ", s2)
}
}
}
func BenchmarkParseString(b *testing.B) {
s := []byte(`"__segment_internal"`)
d := decoder{}
for range b.N {
d.parseString(s)
}
}
func BenchmarkToLower(b *testing.B) {
s := []byte("someFieldWithALongName")
for range b.N {
bytes.ToLower(s)
}
}
func BenchmarkAppendToLower(b *testing.B) {
a := []byte(nil)
s := []byte("someFieldWithALongName")
for range b.N {
a = appendToLower(a[:0], s)
}
}
var (
benchmarkHasPrefixString = []byte("some random string")
benchmarkHasPrefixResult = false
)
func BenchmarkHasPrefix(b *testing.B) {
for range b.N {
benchmarkHasPrefixResult = hasPrefix(benchmarkHasPrefixString, "null")
}
}
func BenchmarkHasNullPrefix(b *testing.B) {
for range b.N {
benchmarkHasPrefixResult = hasNullPrefix(benchmarkHasPrefixString)
}
}
func BenchmarkHasTruePrefix(b *testing.B) {
for range b.N {
benchmarkHasPrefixResult = hasTruePrefix(benchmarkHasPrefixString)
}
}
func BenchmarkHasFalsePrefix(b *testing.B) {
for range b.N {
benchmarkHasPrefixResult = hasFalsePrefix(benchmarkHasPrefixString)
}
}
func BenchmarkParseStringEscapeNone(b *testing.B) {
j := []byte(`"` + strings.Repeat(`a`, 1000) + `"`)
var s string
b.SetBytes(int64(len(j)))
for range b.N {
if err := Unmarshal(j, &s); err != nil {
b.Fatal(err)
}
s = ""
}
}
func BenchmarkParseStringEscapeOne(b *testing.B) {
j := []byte(`"` + strings.Repeat(`a`, 998) + `\n"`)
var s string
b.SetBytes(int64(len(j)))
for range b.N {
if err := Unmarshal(j, &s); err != nil {
b.Fatal(err)
}
s = ""
}
}
func BenchmarkParseStringEscapeAll(b *testing.B) {
j := []byte(`"` + strings.Repeat(`\`, 1000) + `"`)
var s string
b.SetBytes(int64(len(j)))
for range b.N {
if err := Unmarshal(j, &s); err != nil {
b.Fatal(err)
}
s = ""
}
}
|
