aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/core/json/json_test.cc
blob: 9e4d351dd7aead5b3083454f211ff91def4cc400 (plain)
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
/*
 *
 * Copyright 2015-2016 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#include <string.h>

#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include <grpc/support/useful.h>
#include "src/core/lib/json/json.h"
#include "src/core/lib/support/string.h"

#include "test/core/util/test_config.h"

typedef struct testing_pair {
  const char* input;
  const char* output;
} testing_pair;

static testing_pair testing_pairs[] = {
    /* Testing valid parsing. */
    /* Testing trivial parses, with de-indentation. */
    {" 0 ", "0"},
    {" 1 ", "1"},
    {" \"    \" ", "\"    \""},
    {" \"a\" ", "\"a\""},
    {" true ", "true"},
    /* Testing the parser's ability to decode trivial UTF-16. */
    {"\"\\u0020\\\\\\u0010\\u000a\\u000D\"", "\" \\\\\\u0010\\n\\r\""},
    /* Testing various UTF-8 sequences. */
    {"\"ßâñć௵⇒\"", "\"\\u00df\\u00e2\\u00f1\\u0107\\u0bf5\\u21d2\""},
    {"\"\\u00df\\u00e2\\u00f1\\u0107\\u0bf5\\u21d2\"",
     "\"\\u00df\\u00e2\\u00f1\\u0107\\u0bf5\\u21d2\""},
    /* Testing UTF-8 character "𝄞", U+11D1E. */
    {"\"\xf0\x9d\x84\x9e\"", "\"\\ud834\\udd1e\""},
    {"\"\\ud834\\udd1e\"", "\"\\ud834\\udd1e\""},
    {"{\"\\ud834\\udd1e\":0}", "{\"\\ud834\\udd1e\":0}"},
    /* Testing nested empty containers. */
    {
        " [ [ ] , { } , [ ] ] ",
        "[[],{},[]]",
    },
    /* Testing escapes and control chars in key strings. */
    {" { \"\\u007f\x7f\\n\\r\\\"\\f\\b\\\\a , b\": 1, \"\": 0 } ",
     "{\"\\u007f\\u007f\\n\\r\\\"\\f\\b\\\\a , b\":1,\"\":0}"},
    /* Testing the writer's ability to cut off invalid UTF-8 sequences. */
    {"\"abc\xf0\x9d\x24\"", "\"abc\""},
    {"\"\xff\"", "\"\""},
    /* Testing valid number parsing. */
    {"[0, 42 , 0.0123, 123.456]", "[0,42,0.0123,123.456]"},
    {"[1e4,-53.235e-31, 0.3e+3]", "[1e4,-53.235e-31,0.3e+3]"},
    /* Testing keywords parsing. */
    {"[true, false, null]", "[true,false,null]"},

    /* Testing invalid parsing. */

    /* Testing plain invalid things, exercising the state machine. */
    {"\\", NULL},
    {"nu ll", NULL},
    {"{\"foo\": bar}", NULL},
    {"{\"foo\": bar\"x\"}", NULL},
    {"fals", NULL},
    {"0,0 ", NULL},
    {"\"foo\",[]", NULL},
    /* Testing unterminated string. */
    {"\"\\x", NULL},
    /* Testing invalid UTF-16 number. */
    {"\"\\u123x", NULL},
    {"{\"\\u123x", NULL},
    /* Testing imbalanced surrogate pairs. */
    {"\"\\ud834f", NULL},
    {"{\"\\ud834f\":0}", NULL},
    {"\"\\ud834\\n", NULL},
    {"{\"\\ud834\\n\":0}", NULL},
    {"\"\\udd1ef", NULL},
    {"{\"\\udd1ef\":0}", NULL},
    {"\"\\ud834\\ud834\"", NULL},
    {"{\"\\ud834\\ud834\"\":0}", NULL},
    {"\"\\ud834\\u1234\"", NULL},
    {"{\"\\ud834\\u1234\"\":0}", NULL},
    {"\"\\ud834]\"", NULL},
    {"{\"\\ud834]\"\":0}", NULL},
    {"\"\\ud834 \"", NULL},
    {"{\"\\ud834 \"\":0}", NULL},
    {"\"\\ud834\\\\\"", NULL},
    {"{\"\\ud834\\\\\"\":0}", NULL},
    /* Testing embedded invalid whitechars. */
    {"\"\n\"", NULL},
    {"\"\t\"", NULL},
    /* Testing empty json data. */
    {"", NULL},
    /* Testing extra characters after end of parsing. */
    {"{},", NULL},
    /* Testing imbalanced containers. */
    {"{}}", NULL},
    {"[]]", NULL},
    {"{{}", NULL},
    {"[[]", NULL},
    {"[}", NULL},
    {"{]", NULL},
    /* Testing bad containers. */
    {"{x}", NULL},
    {"{x=0,y}", NULL},
    /* Testing trailing comma. */
    {"{,}", NULL},
    {"[1,2,3,4,]", NULL},
    {"{\"a\": 1, }", NULL},
    /* Testing after-ending characters. */
    {"{}x", NULL},
    /* Testing having a key syntax in an array. */
    {"[\"x\":0]", NULL},
    /* Testing invalid numbers. */
    {"1.", NULL},
    {"1e", NULL},
    {".12", NULL},
    {"1.x", NULL},
    {"1.12x", NULL},
    {"1ex", NULL},
    {"1e12x", NULL},
    {".12x", NULL},
    {"000", NULL},
};

static void test_pairs() {
  unsigned i;

  for (i = 0; i < GPR_ARRAY_SIZE(testing_pairs); i++) {
    testing_pair* pair = testing_pairs + i;
    char* scratchpad = gpr_strdup(pair->input);
    grpc_json* json;

    gpr_log(GPR_INFO, "parsing string %i - should %s", i,
            pair->output ? "succeed" : "fail");
    json = grpc_json_parse_string(scratchpad);

    if (pair->output) {
      char* output;

      GPR_ASSERT(json);
      output = grpc_json_dump_to_string(json, 0);
      GPR_ASSERT(output);
      gpr_log(GPR_INFO, "succeeded with output = %s", output);
      GPR_ASSERT(strcmp(output, pair->output) == 0);

      grpc_json_destroy(json);
      gpr_free(output);
    } else {
      gpr_log(GPR_INFO, "failed");
      GPR_ASSERT(!json);
    }

    gpr_free(scratchpad);
  }
}

static void test_atypical() {
  char* scratchpad = gpr_strdup("[[],[],[]]");
  grpc_json* json = grpc_json_parse_string(scratchpad);
  grpc_json* brother;

  GPR_ASSERT(json);
  GPR_ASSERT(json->child);
  brother = json->child->next;
  grpc_json_destroy(json->child);
  GPR_ASSERT(json->child == brother);
  grpc_json_destroy(json->child->next);
  grpc_json_destroy(json);
  gpr_free(scratchpad);
}

int main(int argc, char** argv) {
  grpc_test_init(argc, argv);
  test_pairs();
  test_atypical();
  gpr_log(GPR_INFO, "json_test success");
  return 0;
}