1 /*
2 Copyright (c) 2009-2019 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
31
cjson_minify_should_not_overflow_buffer(void)32 static void cjson_minify_should_not_overflow_buffer(void)
33 {
34 char unclosed_multiline_comment[] = "/* bla";
35 char pending_escape[] = "\"\\";
36
37 cJSON_Minify(unclosed_multiline_comment);
38 TEST_ASSERT_EQUAL_STRING("", unclosed_multiline_comment);
39
40 cJSON_Minify(pending_escape);
41 TEST_ASSERT_EQUAL_STRING("\"\\", pending_escape);
42 }
43
cjson_minify_should_remove_single_line_comments(void)44 static void cjson_minify_should_remove_single_line_comments(void)
45 {
46 const char to_minify[] = "{// this is {} \"some kind\" of [] comment /*, don't you see\n}";
47
48 char* minified = (char*) malloc(sizeof(to_minify));
49 TEST_ASSERT_NOT_NULL(minified);
50 strcpy(minified, to_minify);
51
52 cJSON_Minify(minified);
53 TEST_ASSERT_EQUAL_STRING("{}", minified);
54
55 free(minified);
56 }
57
cjson_minify_should_remove_spaces(void)58 static void cjson_minify_should_remove_spaces(void)
59 {
60 const char to_minify[] = "{ \"key\":\ttrue\r\n }";
61
62 char* minified = (char*) malloc(sizeof(to_minify));
63 TEST_ASSERT_NOT_NULL(minified);
64 strcpy(minified, to_minify);
65
66 cJSON_Minify(minified);
67 TEST_ASSERT_EQUAL_STRING("{\"key\":true}", minified);
68
69 free(minified);
70 }
71
cjson_minify_should_remove_multiline_comments(void)72 static void cjson_minify_should_remove_multiline_comments(void)
73 {
74 const char to_minify[] = "{/* this is\n a /* multi\n //line \n {comment \"\\\" */}";
75
76 char* minified = (char*) malloc(sizeof(to_minify));
77 TEST_ASSERT_NOT_NULL(minified);
78 strcpy(minified, to_minify);
79
80 cJSON_Minify(minified);
81 TEST_ASSERT_EQUAL_STRING("{}", minified);
82
83 free(minified);
84 }
85
cjson_minify_should_not_modify_strings(void)86 static void cjson_minify_should_not_modify_strings(void)
87 {
88 const char to_minify[] = "\"this is a string \\\" \\t bla\"";
89
90 char* minified = (char*) malloc(sizeof(to_minify));
91 TEST_ASSERT_NOT_NULL(minified);
92 strcpy(minified, to_minify);
93
94 cJSON_Minify(minified);
95 TEST_ASSERT_EQUAL_STRING(to_minify, minified);
96
97 free(minified);
98 }
99
cjson_minify_should_minify_json(void)100 static void cjson_minify_should_minify_json(void) {
101 const char to_minify[] =
102 "{\n"
103 " \"glossary\": { // comment\n"
104 " \"title\": \"example glossary\",\n"
105 " /* multi\n"
106 " line */\n"
107 " \"GlossDiv\": {\n"
108 " \"title\": \"S\",\n"
109 " \"GlossList\": {\n"
110 " \"GlossEntry\": {\n"
111 " \"ID\": \"SGML\",\n"
112 " \"SortAs\": \"SGML\",\n"
113 " \"Acronym\": \"SGML\",\n"
114 " \"Abbrev\": \"ISO 8879:1986\",\n"
115 " \"GlossDef\": {\n"
116 " \"GlossSeeAlso\": [\"GML\", \"XML\"]\n"
117 " },\n"
118 " \"GlossSee\": \"markup\"\n"
119 " }\n"
120 " }\n"
121 " }\n"
122 " }\n"
123 "}";
124 const char* minified =
125 "{"
126 "\"glossary\":{"
127 "\"title\":\"example glossary\","
128 "\"GlossDiv\":{"
129 "\"title\":\"S\","
130 "\"GlossList\":{"
131 "\"GlossEntry\":{"
132 "\"ID\":\"SGML\","
133 "\"SortAs\":\"SGML\","
134 "\"Acronym\":\"SGML\","
135 "\"Abbrev\":\"ISO 8879:1986\","
136 "\"GlossDef\":{"
137 "\"GlossSeeAlso\":[\"GML\",\"XML\"]"
138 "},"
139 "\"GlossSee\":\"markup\""
140 "}"
141 "}"
142 "}"
143 "}"
144 "}";
145
146 char *buffer = (char*) malloc(sizeof(to_minify));
147 strcpy(buffer, to_minify);
148
149 cJSON_Minify(buffer);
150 TEST_ASSERT_EQUAL_STRING(minified, buffer);
151
152 free(buffer);
153 }
154
cjson_minify_should_not_loop_infinitely(void)155 static void cjson_minify_should_not_loop_infinitely(void) {
156 char string[] = { '8', ' ', '/', ' ', '5', '\n', '\0' };
157 /* this should not be an infinite loop */
158 cJSON_Minify(string);
159 }
160
main(void)161 int CJSON_CDECL main(void)
162 {
163 UNITY_BEGIN();
164
165 RUN_TEST(cjson_minify_should_not_overflow_buffer);
166 RUN_TEST(cjson_minify_should_minify_json);
167 RUN_TEST(cjson_minify_should_remove_single_line_comments);
168 RUN_TEST(cjson_minify_should_remove_multiline_comments);
169 RUN_TEST(cjson_minify_should_remove_spaces);
170 RUN_TEST(cjson_minify_should_not_modify_strings);
171 RUN_TEST(cjson_minify_should_not_loop_infinitely);
172
173 return UNITY_END();
174 }
175