diff options
Diffstat (limited to 'tdemarkdown/md4c/test/coverage.txt')
| -rw-r--r-- | tdemarkdown/md4c/test/coverage.txt | 522 |
1 files changed, 522 insertions, 0 deletions
diff --git a/tdemarkdown/md4c/test/coverage.txt b/tdemarkdown/md4c/test/coverage.txt new file mode 100644 index 000000000..66d5cc8dc --- /dev/null +++ b/tdemarkdown/md4c/test/coverage.txt @@ -0,0 +1,522 @@ + +# Coverage + +This file is just a collection of unit tests not covered elsewhere. + +Most notably regression tests, tests improving code coverage and other useful +things may drop here. + +(However any tests requiring any additional command line option, like enabling +an extension, must be included in their respective files.) + + +## GitHub Issues + +### [Issue 2](https://github.com/mity/md4c/issues/2) + +Raw HTML block: + +```````````````````````````````` example +<gi att1=tok1 att2=tok2> +. +<gi att1=tok1 att2=tok2> +```````````````````````````````` + +Inline: + +```````````````````````````````` example +foo <gi att1=tok1 att2=tok2> bar +. +<p>foo <gi att1=tok1 att2=tok2> bar</p> +```````````````````````````````` + +Inline with a line break: + +```````````````````````````````` example +foo <gi att1=tok1 +att2=tok2> bar +. +<p>foo <gi att1=tok1 +att2=tok2> bar</p> +```````````````````````````````` + + +### [Issue 4](https://github.com/mity/md4c/issues/4) + +```````````````````````````````` example + +. +<p><img src="img.png" alt="alt text with entity ©" title="title"></p> +```````````````````````````````` + + +### [Issue 9](https://github.com/mity/md4c/issues/9) + +```````````````````````````````` example +> [foo +> bar]: /url +> +> [foo bar] +. +<blockquote> +<p><a href="/url">foo +bar</a></p> +</blockquote> +```````````````````````````````` + + +### [Issue 10](https://github.com/mity/md4c/issues/10) + +```````````````````````````````` example +[x]: +x +- <? + + x +. +<ul> +<li><? + +x +</li> +</ul> +```````````````````````````````` + + +### [Issue 11](https://github.com/mity/md4c/issues/11) + +```````````````````````````````` example +x [link](/url "foo – bar") x +. +<p>x <a href="/url" title="foo – bar">link</a> x</p> +```````````````````````````````` + + +### [Issue 14](https://github.com/mity/md4c/issues/14) + +```````````````````````````````` example +a***b* c* +. +<p>a*<em><em>b</em> c</em></p> +```````````````````````````````` + + +### [Issue 15](https://github.com/mity/md4c/issues/15) + +```````````````````````````````` example +***b* c* +. +<p>*<em><em>b</em> c</em></p> +```````````````````````````````` + + +### [Issue 21](https://github.com/mity/md4c/issues/21) + +```````````````````````````````` example +a*b**c* +. +<p>a<em>b**c</em></p> +```````````````````````````````` + + +### [Issue 33](https://github.com/mity/md4c/issues/33) + +```````````````````````````````` example +```&&&&&&&& +. +<pre><code class="language-&&&&&&&&"></code></pre> +```````````````````````````````` + + +### [Issue 36](https://github.com/mity/md4c/issues/36) + +```````````````````````````````` example +__x_ _x___ +. +<p><em><em>x</em> <em>x</em></em>_</p> +```````````````````````````````` + + +### [Issue 39](https://github.com/mity/md4c/issues/39) + +```````````````````````````````` example +[\\]: x +. +```````````````````````````````` + + +### [Issue 40](https://github.com/mity/md4c/issues/40) + +```````````````````````````````` example +[x](url +'title' +)x +. +<p><a href="url" title="title">x</a>x</p> +```````````````````````````````` + + +### [Issue 65](https://github.com/mity/md4c/issues/65) + +```````````````````````````````` example +` +. +<p>`</p> +```````````````````````````````` + + +### [Issue 74](https://github.com/mity/md4c/issues/74) + +```````````````````````````````` example +[f]: +- + xx +- +. +<pre><code>xx +</code></pre> +<ul> +<li></li> +</ul> +```````````````````````````````` + + +### [Issue 78](https://github.com/mity/md4c/issues/78) + +```````````````````````````````` example +[SS ẞ]: /url +[ẞ SS] +. +<p><a href="/url">ẞ SS</a></p> +```````````````````````````````` + + +### [Issue 83](https://github.com/mity/md4c/issues/83) + +```````````````````````````````` example +foo +> +. +<p>foo</p> +<blockquote> +</blockquote> + +```````````````````````````````` + + +### [Issue 95](https://github.com/mity/md4c/issues/95) + +```````````````````````````````` example +. foo +. +<p>. foo</p> +```````````````````````````````` + + +### [Issue 96](https://github.com/mity/md4c/issues/96) + +```````````````````````````````` example +[ab]: /foo +[a] [ab] [abc] +. +<p>[a] <a href="/foo">ab</a> [abc]</p> +```````````````````````````````` + +```````````````````````````````` example +[a b]: /foo +[a b] +. +<p><a href="/foo">a b</a></p> +```````````````````````````````` + + +### [Issue 97](https://github.com/mity/md4c/issues/97) + +```````````````````````````````` example +*a **b c* d** +. +<p><em>a <em><em>b c</em> d</em></em></p> + +```````````````````````````````` + + +### [Issue 100](https://github.com/mity/md4c/issues/100) + +```````````````````````````````` example +<foo@123456789012345678901234567890123456789012345678901234567890123.123456789012345678901234567890123456789012345678901234567890123> +. +<p><a href="mailto:foo@123456789012345678901234567890123456789012345678901234567890123.123456789012345678901234567890123456789012345678901234567890123">foo@123456789012345678901234567890123456789012345678901234567890123.123456789012345678901234567890123456789012345678901234567890123</a></p> +```````````````````````````````` + +```````````````````````````````` example +<foo@123456789012345678901234567890123456789012345678901234567890123x.123456789012345678901234567890123456789012345678901234567890123> +. +<p><foo@123456789012345678901234567890123456789012345678901234567890123x.123456789012345678901234567890123456789012345678901234567890123></p> +```````````````````````````````` +(Note the `x` here which turns it over the max. allowed length limit.) + + +### [Issue 107](https://github.com/mity/md4c/issues/107) + +```````````````````````````````` example +***foo *bar baz*** +. +<p>*<strong>foo <em>bar baz</em></strong></p> + +```````````````````````````````` + + +### [Issue 124](https://github.com/mity/md4c/issues/124) + +```````````````````````````````` example +~~~ + x +~~~ + +~~~ + x +~~~ +. +<pre><code> x +</code></pre> +<pre><code> x +</code></pre> +```````````````````````````````` + + +### [Issue 131](https://github.com/mity/md4c/issues/131) + +```````````````````````````````` example +[![alt][img]][link] + +[img]: img_url +[link]: link_url +. +<p><a href="link_url"><img src="img_url" alt="alt"></a></p> +```````````````````````````````` + + +### [Issue 142](https://github.com/mity/md4c/issues/142) + +```````````````````````````````` example +[fooﬗ]: /url +[fooﬕ] +. +<p>[fooﬕ]</p> +```````````````````````````````` + + +### [Issue 149](https://github.com/mity/md4c/issues/149) + +```````````````````````````````` example +- <script> +- foo +bar +</script> +. +<ul> +<li><script> +</li> +<li>foo +bar +</script></li> +</ul> +```````````````````````````````` + + +## Code coverage + +### `md_is_unicode_whitespace__()` + +Unicode whitespace (here U+2000) forms a word boundary so these cannot be +resolved as emphasis span because there is no closer mark. + +```````````````````````````````` example +*foo *bar +. +<p>*foo *bar</p> +```````````````````````````````` + + +### `md_is_unicode_punct__()` + +Ditto for Unicode punctuation (here U+00A1). + +```````````````````````````````` example +*foo¡*bar +. +<p>*foo¡*bar</p> +```````````````````````````````` + + +### `md_get_unicode_fold_info()` + +```````````````````````````````` example +[Příliš žluťoučký kůň úpěl ďábelské ódy.] + +[PŘÍLIŠ ŽLUŤOUČKÝ KŮŇ ÚPĚL ĎÁBELSKÉ ÓDY.]: /url +. +<p><a href="/url">Příliš žluťoučký kůň úpěl ďábelské ódy.</a></p> +```````````````````````````````` + + +### `md_decode_utf8__()` and `md_decode_utf8_before__()` + +```````````````````````````````` example +á*Á (U+00E1, i.e. two byte UTF-8 sequence) + * (U+2000, i.e. three byte UTF-8 sequence) +. +<p>á*Á (U+00E1, i.e. two byte UTF-8 sequence) + * (U+2000, i.e. three byte UTF-8 sequence)</p> +```````````````````````````````` + + +### `md_is_link_destination_A()` + +```````````````````````````````` example +[link](</url\.with\.escape>) +. +<p><a href="/url.with.escape">link</a></p> +```````````````````````````````` + + +### `md_link_label_eq()` + +```````````````````````````````` example +[foo bar] + +[foo bar]: /url +. +<p><a href="/url">foo bar</a></p> +```````````````````````````````` + + +### `md_is_inline_link_spec()` + +```````````````````````````````` example +> [link](/url 'foo +> bar') +. +<blockquote> +<p><a href="/url" title="foo +bar">link</a></p> +</blockquote> +```````````````````````````````` + + +### `md_build_ref_def_hashtable()` + +All link labels in the following example all have the same FNV1a hash (after +normalization of the label, which means after converting to a vector of Unicode +codepoints and lowercase folding). + +So the example triggers quite complex code paths which are not otherwise easily +tested. + +```````````````````````````````` example +[foo]: /foo +[qnptgbh]: /qnptgbh +[abgbrwcv]: /abgbrwcv +[abgbrwcv]: /abgbrwcv2 +[abgbrwcv]: /abgbrwcv3 +[abgbrwcv]: /abgbrwcv4 +[alqadfgn]: /alqadfgn + +[foo] +[qnptgbh] +[abgbrwcv] +[alqadfgn] +[axgydtdu] +. +<p><a href="/foo">foo</a> +<a href="/qnptgbh">qnptgbh</a> +<a href="/abgbrwcv">abgbrwcv</a> +<a href="/alqadfgn">alqadfgn</a> +[axgydtdu]</p> +```````````````````````````````` + +For the sake of completeness, the following C program was used to find the hash +collisions by brute force: + +~~~ + +#include <stdio.h> +#include <string.h> + + +static unsigned etalon; + + + +#define MD_FNV1A_BASE 2166136261 +#define MD_FNV1A_PRIME 16777619 + +static inline unsigned +fnv1a(unsigned base, const void* data, size_t n) +{ + const unsigned char* buf = (const unsigned char*) data; + unsigned hash = base; + size_t i; + + for(i = 0; i < n; i++) { + hash ^= buf[i]; + hash *= MD_FNV1A_PRIME; + } + + return hash; +} + + +static unsigned +unicode_hash(const char* data, size_t n) +{ + unsigned value; + unsigned hash = MD_FNV1A_BASE; + int i; + + for(i = 0; i < n; i++) { + value = data[i]; + hash = fnv1a(hash, &value, sizeof(unsigned)); + } + + return hash; +} + + +static void +recurse(char* buffer, size_t off, size_t len) +{ + int ch; + + if(off < len - 1) { + for(ch = 'a'; ch <= 'z'; ch++) { + buffer[off] = ch; + recurse(buffer, off+1, len); + } + } else { + for(ch = 'a'; ch <= 'z'; ch++) { + buffer[off] = ch; + if(unicode_hash(buffer, len) == etalon) { + printf("Dup: %.*s\n", (int)len, buffer); + } + } + } +} + +int +main(int argc, char** argv) +{ + char buffer[32]; + int len; + + if(argc < 2) + etalon = unicode_hash("foo", 3); + else + etalon = unicode_hash(argv[1], strlen(argv[1])); + + for(len = 1; len <= sizeof(buffer); len++) + recurse(buffer, 0, len); + + return 0; +} +~~~ |