xref: /third_party/cJSON/tests/parse_string.c (revision 9750e409)
1/*
2  Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
3
4  Permission is hereby granted, free of charge, to any person obtaining a copy
5  of this software and associated documentation files (the "Software"), to deal
6  in the Software without restriction, including without limitation the rights
7  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8  copies of the Software, and to permit persons to whom the Software is
9  furnished to do so, subject to the following conditions:
10
11  The above copyright notice and this permission notice shall be included in
12  all copies or substantial portions of the Software.
13
14  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20  THE SOFTWARE.
21*/
22
23#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26
27#include "unity/examples/unity_config.h"
28#include "unity/src/unity.h"
29#include "common.h"
30
31static cJSON item[1];
32
33static void assert_is_string(cJSON *string_item)
34{
35    TEST_ASSERT_NOT_NULL_MESSAGE(string_item, "Item is NULL.");
36
37    assert_not_in_list(string_item);
38    assert_has_no_child(string_item);
39    assert_has_type(string_item, cJSON_String);
40    assert_has_no_reference(string_item);
41    assert_has_no_const_string(string_item);
42    assert_has_valuestring(string_item);
43    assert_has_no_string(string_item);
44}
45
46static void assert_parse_string(const char *string, const char *expected)
47{
48    parse_buffer buffer = { 0, 0, 0, 0, { 0, 0, 0 } };
49    buffer.content = (const unsigned char*)string;
50    buffer.length = strlen(string) + sizeof("");
51    buffer.hooks = global_hooks;
52
53    TEST_ASSERT_TRUE_MESSAGE(parse_string(item, &buffer), "Couldn't parse string.");
54    assert_is_string(item);
55    TEST_ASSERT_EQUAL_STRING_MESSAGE(expected, item->valuestring, "The parsed result isn't as expected.");
56    global_hooks.deallocate(item->valuestring);
57    item->valuestring = NULL;
58}
59
60static void assert_not_parse_string(const char * const string)
61{
62    parse_buffer buffer = { 0, 0, 0, 0, { 0, 0, 0 } };
63    buffer.content = (const unsigned char*)string;
64    buffer.length = strlen(string) + sizeof("");
65    buffer.hooks = global_hooks;
66
67    TEST_ASSERT_FALSE_MESSAGE(parse_string(item, &buffer), "Malformed string should not be accepted.");
68    assert_is_invalid(item);
69}
70
71
72
73static void parse_string_should_parse_strings(void)
74{
75    assert_parse_string("\"\"", "");
76    assert_parse_string(
77        "\" !\\\"#$%&'()*+,-./\\/0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\\\]^_'abcdefghijklmnopqrstuvwxyz{|}~\"",
78        " !\"#$%&'()*+,-.//0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_'abcdefghijklmnopqrstuvwxyz{|}~");
79    assert_parse_string(
80        "\"\\\"\\\\\\/\\b\\f\\n\\r\\t\\u20AC\\u732b\"",
81        "\"\\/\b\f\n\r\t€猫");
82    reset(item);
83    assert_parse_string("\"\b\f\n\r\t\"", "\b\f\n\r\t");
84    reset(item);
85}
86
87static void parse_string_should_parse_utf16_surrogate_pairs(void)
88{
89    assert_parse_string("\"\\uD83D\\udc31\"", "�");
90    reset(item);
91}
92
93static void parse_string_should_not_parse_non_strings(void)
94{
95    assert_not_parse_string("this\" is not a string\"");
96    reset(item);
97    assert_not_parse_string("");
98    reset(item);
99}
100
101static void parse_string_should_not_parse_invalid_backslash(void)
102{
103    assert_not_parse_string("Abcdef\\123");
104    reset(item);
105    assert_not_parse_string("Abcdef\\e23");
106    reset(item);
107}
108
109static void parse_string_should_not_overflow_with_closing_backslash(void)
110{
111    assert_not_parse_string("\"000000000000000000\\");
112    reset(item);
113}
114
115static void parse_string_should_parse_bug_94(void)
116{
117    const char string[] = "\"~!@\\\\#$%^&*()\\\\\\\\-\\\\+{}[]:\\\\;\\\\\\\"\\\\<\\\\>?/.,DC=ad,DC=com\"";
118    assert_parse_string(string, "~!@\\#$%^&*()\\\\-\\+{}[]:\\;\\\"\\<\\>?/.,DC=ad,DC=com");
119    reset(item);
120}
121
122int CJSON_CDECL main(void)
123{
124    /* initialize cJSON item and error pointer */
125    memset(item, 0, sizeof(cJSON));
126
127    UNITY_BEGIN();
128    RUN_TEST(parse_string_should_parse_strings);
129    RUN_TEST(parse_string_should_parse_utf16_surrogate_pairs);
130    RUN_TEST(parse_string_should_not_parse_non_strings);
131    RUN_TEST(parse_string_should_not_parse_invalid_backslash);
132    RUN_TEST(parse_string_should_parse_bug_94);
133    RUN_TEST(parse_string_should_not_overflow_with_closing_backslash);
134    return UNITY_END();
135}
136