coverage.txt (6405B)
1 2 # Coverage 3 4 This file is just a collection of unit tests not covered elsewhere. 5 6 Most notably regression tests, tests improving code coverage and other useful 7 things may drop here. 8 9 (However any tests requiring any additional command line option, like enabling 10 an extension, must be included in their respective files.) 11 12 13 ## GitHub Issues 14 15 ### [Issue 2](https://github.com/mity/md4c/issues/2) 16 17 Raw HTML block: 18 19 ```````````````````````````````` example 20 <gi att1=tok1 att2=tok2> 21 . 22 <gi att1=tok1 att2=tok2> 23 ```````````````````````````````` 24 25 Inline: 26 27 ```````````````````````````````` example 28 foo <gi att1=tok1 att2=tok2> bar 29 . 30 <p>foo <gi att1=tok1 att2=tok2> bar</p> 31 ```````````````````````````````` 32 33 Inline with a line break: 34 35 ```````````````````````````````` example 36 foo <gi att1=tok1 37 att2=tok2> bar 38 . 39 <p>foo <gi att1=tok1 40 att2=tok2> bar</p> 41 ```````````````````````````````` 42 43 44 ### [Issue 4](https://github.com/mity/md4c/issues/4) 45 46 ```````````````````````````````` example 47  48 . 49 <p><img src="img.png" alt="alt text with entity ©" title="title"></p> 50 ```````````````````````````````` 51 52 53 ### [Issue 9](https://github.com/mity/md4c/issues/9) 54 55 ```````````````````````````````` example 56 > [foo 57 > bar]: /url 58 > 59 > [foo bar] 60 . 61 <blockquote> 62 <p><a href="/url">foo 63 bar</a></p> 64 </blockquote> 65 ```````````````````````````````` 66 67 ### [Issue 10](https://github.com/mity/md4c/issues/10) 68 ```````````````````````````````` example 69 [x]: 70 x 71 - <? 72 73 x 74 . 75 <ul> 76 <li><? 77 <p>x</p> 78 </li> 79 </ul> 80 ```````````````````````````````` 81 82 ### [Issue 11](https://github.com/mity/md4c/issues/11) 83 ```````````````````````````````` example 84 x [link](/url "foo – bar") x 85 . 86 <p>x <a href="/url" title="foo – bar">link</a> x</p> 87 ```````````````````````````````` 88 89 ### [Issue 15](https://github.com/mity/md4c/issues/15) 90 ```````````````````````````````` example 91 ***b* c* 92 . 93 <p>*<em><em>b</em> c</em></p> 94 ```````````````````````````````` 95 96 97 ### [Issue 14](https://github.com/mity/md4c/issues/14) 98 ```````````````````````````````` example 99 a***b* c* 100 . 101 <p>a*<em><em>b</em> c</em></p> 102 ```````````````````````````````` 103 104 105 ### [Issue 21](https://github.com/mity/md4c/issues/21) 106 ```````````````````````````````` example 107 a*b**c* 108 . 109 <p>a<em>b**c</em></p> 110 ```````````````````````````````` 111 112 113 ### [Issue 24](https://github.com/mity/md4c/issues/24) 114 ```````````````````````````````` example 115 [a](<b>c) 116 . 117 <p><a href="%3Cb%3Ec">a</a></p> 118 ```````````````````````````````` 119 120 121 ## Code coverage 122 123 ### `md_is_unicode_whitespace__()` 124 125 Unicode whitespace (here U+2000) forms a word boundary so these cannot be 126 resolved as emphasis span because there is no closer mark. 127 128 ```````````````````````````````` example 129 *foo *bar 130 . 131 <p>*foo *bar</p> 132 ```````````````````````````````` 133 134 135 ### `md_is_unicode_punct__()` 136 137 Ditto for Unicode punctuation (here U+00A1). 138 139 ```````````````````````````````` example 140 *foo¡*bar 141 . 142 <p>*foo¡*bar</p> 143 ```````````````````````````````` 144 145 146 ### `md_get_unicode_fold_info()` 147 148 ```````````````````````````````` example 149 [Příliš žluťoučký kůň úpěl ďábelské ódy.] 150 151 [PŘÍLIŠ ŽLUŤOUČKÝ KŮŇ ÚPĚL ĎÁBELSKÉ ÓDY.]: /url 152 . 153 <p><a href="/url">Příliš žluťoučký kůň úpěl ďábelské ódy.</a></p> 154 ```````````````````````````````` 155 156 157 ### `md_decode_utf8__()` and `md_decode_utf8_before__()` 158 159 ```````````````````````````````` example 160 á*Á (U+00E1, i.e. two byte UTF-8 sequence) 161 * (U+2000, i.e. three byte UTF-8 sequence) 162 . 163 <p>á*Á (U+00E1, i.e. two byte UTF-8 sequence) 164 * (U+2000, i.e. three byte UTF-8 sequence)</p> 165 ```````````````````````````````` 166 167 168 ### `md_is_link_destination_A()` 169 170 171 ```````````````````````````````` example 172 [link](</url\.with\.escape>) 173 . 174 <p><a href="/url.with.escape">link</a></p> 175 ```````````````````````````````` 176 177 178 ### `md_link_label_eq()` 179 180 181 ```````````````````````````````` example 182 [foo bar] 183 184 [foo bar]: /url 185 . 186 <p><a href="/url">foo bar</a></p> 187 ```````````````````````````````` 188 189 190 ### `md_is_inline_link_spec()` 191 192 ```````````````````````````````` example 193 > [link](/url 'foo 194 > bar') 195 . 196 <blockquote> 197 <p><a href="/url" title="foo 198 bar">link</a></p> 199 </blockquote> 200 ```````````````````````````````` 201 202 203 ### `md_build_ref_def_hashtable()` 204 205 All link labels in the following example all have the same FNV1a hash (after 206 normalization of the label, which means after converting to a vector of Unicode 207 codepoints and lowercase folding). 208 209 So the example triggers quite complex code paths which are not otherwise easily 210 tested. 211 212 ```````````````````````````````` example 213 [foo]: /foo 214 [qnptgbh]: /qnptgbh 215 [abgbrwcv]: /abgbrwcv 216 [abgbrwcv]: /abgbrwcv2 217 [abgbrwcv]: /abgbrwcv3 218 [abgbrwcv]: /abgbrwcv4 219 [alqadfgn]: /alqadfgn 220 221 [foo] 222 [qnptgbh] 223 [abgbrwcv] 224 [alqadfgn] 225 [axgydtdu] 226 . 227 <p><a href="/foo">foo</a> 228 <a href="/qnptgbh">qnptgbh</a> 229 <a href="/abgbrwcv">abgbrwcv</a> 230 <a href="/alqadfgn">alqadfgn</a> 231 [axgydtdu]</p> 232 ```````````````````````````````` 233 234 For the sake of completeness, the following C program was used to find the hash 235 collisions by brute force: 236 237 ~~~ 238 239 #include <stdio.h> 240 #include <string.h> 241 242 243 static unsigned etalon; 244 245 246 247 #define MD_FNV1A_BASE 2166136261 248 #define MD_FNV1A_PRIME 16777619 249 250 static inline unsigned 251 fnv1a(unsigned base, const void* data, size_t n) 252 { 253 const unsigned char* buf = (const unsigned char*) data; 254 unsigned hash = base; 255 size_t i; 256 257 for(i = 0; i < n; i++) { 258 hash ^= buf[i]; 259 hash *= MD_FNV1A_PRIME; 260 } 261 262 return hash; 263 } 264 265 266 static unsigned 267 unicode_hash(const char* data, size_t n) 268 { 269 unsigned value; 270 unsigned hash = MD_FNV1A_BASE; 271 int i; 272 273 for(i = 0; i < n; i++) { 274 value = data[i]; 275 hash = fnv1a(hash, &value, sizeof(unsigned)); 276 } 277 278 return hash; 279 } 280 281 282 static void 283 recurse(char* buffer, size_t off, size_t len) 284 { 285 int ch; 286 287 if(off < len - 1) { 288 for(ch = 'a'; ch <= 'z'; ch++) { 289 buffer[off] = ch; 290 recurse(buffer, off+1, len); 291 } 292 } else { 293 for(ch = 'a'; ch <= 'z'; ch++) { 294 buffer[off] = ch; 295 if(unicode_hash(buffer, len) == etalon) { 296 printf("Dup: %.*s\n", (int)len, buffer); 297 } 298 } 299 } 300 } 301 302 int 303 main(int argc, char** argv) 304 { 305 char buffer[32]; 306 int len; 307 308 if(argc < 2) 309 etalon = unicode_hash("foo", 3); 310 else 311 etalon = unicode_hash(argv[1], strlen(argv[1])); 312 313 for(len = 1; len <= sizeof(buffer); len++) 314 recurse(buffer, 0, len); 315 316 return 0; 317 } 318 ~~~