1//
  2// Blackfriday Markdown Processor
  3// Available at http://github.com/russross/blackfriday
  4//
  5// Copyright © 2011 Russ Ross <russ@russross.com>.
  6// Distributed under the Simplified BSD License.
  7// See README.md for details.
  8//
  9
 10//
 11// Unit tests for inline parsing
 12//
 13
 14package blackfriday
 15
 16import (
 17	"regexp"
 18	"testing"
 19
 20	"strings"
 21)
 22
 23func runMarkdownInline(input string, extensions, htmlFlags int, params HtmlRendererParameters) string {
 24	extensions |= EXTENSION_AUTOLINK
 25	extensions |= EXTENSION_STRIKETHROUGH
 26
 27	htmlFlags |= HTML_USE_XHTML
 28
 29	renderer := HtmlRendererWithParameters(htmlFlags, "", "", params)
 30
 31	return string(Markdown([]byte(input), renderer, extensions))
 32}
 33
 34func doTestsInline(t *testing.T, tests []string) {
 35	doTestsInlineParam(t, tests, 0, 0, HtmlRendererParameters{})
 36}
 37
 38func doLinkTestsInline(t *testing.T, tests []string) {
 39	doTestsInline(t, tests)
 40
 41	prefix := "http://localhost"
 42	params := HtmlRendererParameters{AbsolutePrefix: prefix}
 43	transformTests := transformLinks(tests, prefix)
 44	doTestsInlineParam(t, transformTests, 0, 0, params)
 45	doTestsInlineParam(t, transformTests, 0, commonHtmlFlags, params)
 46}
 47
 48func doSafeTestsInline(t *testing.T, tests []string) {
 49	doTestsInlineParam(t, tests, 0, HTML_SAFELINK, HtmlRendererParameters{})
 50
 51	// All the links in this test should not have the prefix appended, so
 52	// just rerun it with different parameters and the same expectations.
 53	prefix := "http://localhost"
 54	params := HtmlRendererParameters{AbsolutePrefix: prefix}
 55	transformTests := transformLinks(tests, prefix)
 56	doTestsInlineParam(t, transformTests, 0, HTML_SAFELINK, params)
 57}
 58
 59func doTestsInlineParam(t *testing.T, tests []string, extensions, htmlFlags int,
 60	params HtmlRendererParameters) {
 61	// catch and report panics
 62	var candidate string
 63	/*
 64		defer func() {
 65			if err := recover(); err != nil {
 66				t.Errorf("\npanic while processing [%#v] (%v)\n", candidate, err)
 67			}
 68		}()
 69	*/
 70
 71	for i := 0; i+1 < len(tests); i += 2 {
 72		input := tests[i]
 73		candidate = input
 74		expected := tests[i+1]
 75
 76		actual := runMarkdownInline(candidate, extensions, htmlFlags, params)
 77		if actual != expected {
 78			t.Errorf("\nInput   [%#v]\nExpected[%#v]\nActual  [%#v]",
 79				candidate, expected, actual)
 80		}
 81
 82		// now test every substring to stress test bounds checking
 83		if !testing.Short() {
 84			for start := 0; start < len(input); start++ {
 85				for end := start + 1; end <= len(input); end++ {
 86					candidate = input[start:end]
 87					_ = runMarkdownInline(candidate, extensions, htmlFlags, params)
 88				}
 89			}
 90		}
 91	}
 92}
 93
 94func transformLinks(tests []string, prefix string) []string {
 95	newTests := make([]string, len(tests))
 96	anchorRe := regexp.MustCompile(`<a href="/(.*?)"`)
 97	imgRe := regexp.MustCompile(`<img src="/(.*?)"`)
 98	for i, test := range tests {
 99		if i%2 == 1 {
100			test = anchorRe.ReplaceAllString(test, `<a href="`+prefix+`/$1"`)
101			test = imgRe.ReplaceAllString(test, `<img src="`+prefix+`/$1"`)
102		}
103		newTests[i] = test
104	}
105	return newTests
106}
107
108func TestEmphasis(t *testing.T) {
109	var tests = []string{
110		"nothing inline\n",
111		"<p>nothing inline</p>\n",
112
113		"simple *inline* test\n",
114		"<p>simple <em>inline</em> test</p>\n",
115
116		"*at the* beginning\n",
117		"<p><em>at the</em> beginning</p>\n",
118
119		"at the *end*\n",
120		"<p>at the <em>end</em></p>\n",
121
122		"*try two* in *one line*\n",
123		"<p><em>try two</em> in <em>one line</em></p>\n",
124
125		"over *two\nlines* test\n",
126		"<p>over <em>two\nlines</em> test</p>\n",
127
128		"odd *number of* markers* here\n",
129		"<p>odd <em>number of</em> markers* here</p>\n",
130
131		"odd *number\nof* markers* here\n",
132		"<p>odd <em>number\nof</em> markers* here</p>\n",
133
134		"simple _inline_ test\n",
135		"<p>simple <em>inline</em> test</p>\n",
136
137		"_at the_ beginning\n",
138		"<p><em>at the</em> beginning</p>\n",
139
140		"at the _end_\n",
141		"<p>at the <em>end</em></p>\n",
142
143		"_try two_ in _one line_\n",
144		"<p><em>try two</em> in <em>one line</em></p>\n",
145
146		"over _two\nlines_ test\n",
147		"<p>over <em>two\nlines</em> test</p>\n",
148
149		"odd _number of_ markers_ here\n",
150		"<p>odd <em>number of</em> markers_ here</p>\n",
151
152		"odd _number\nof_ markers_ here\n",
153		"<p>odd <em>number\nof</em> markers_ here</p>\n",
154
155		"mix of *markers_\n",
156		"<p>mix of *markers_</p>\n",
157	}
158	doTestsInline(t, tests)
159}
160
161func TestStrong(t *testing.T) {
162	var tests = []string{
163		"nothing inline\n",
164		"<p>nothing inline</p>\n",
165
166		"simple **inline** test\n",
167		"<p>simple <strong>inline</strong> test</p>\n",
168
169		"**at the** beginning\n",
170		"<p><strong>at the</strong> beginning</p>\n",
171
172		"at the **end**\n",
173		"<p>at the <strong>end</strong></p>\n",
174
175		"**try two** in **one line**\n",
176		"<p><strong>try two</strong> in <strong>one line</strong></p>\n",
177
178		"over **two\nlines** test\n",
179		"<p>over <strong>two\nlines</strong> test</p>\n",
180
181		"odd **number of** markers** here\n",
182		"<p>odd <strong>number of</strong> markers** here</p>\n",
183
184		"odd **number\nof** markers** here\n",
185		"<p>odd <strong>number\nof</strong> markers** here</p>\n",
186
187		"simple __inline__ test\n",
188		"<p>simple <strong>inline</strong> test</p>\n",
189
190		"__at the__ beginning\n",
191		"<p><strong>at the</strong> beginning</p>\n",
192
193		"at the __end__\n",
194		"<p>at the <strong>end</strong></p>\n",
195
196		"__try two__ in __one line__\n",
197		"<p><strong>try two</strong> in <strong>one line</strong></p>\n",
198
199		"over __two\nlines__ test\n",
200		"<p>over <strong>two\nlines</strong> test</p>\n",
201
202		"odd __number of__ markers__ here\n",
203		"<p>odd <strong>number of</strong> markers__ here</p>\n",
204
205		"odd __number\nof__ markers__ here\n",
206		"<p>odd <strong>number\nof</strong> markers__ here</p>\n",
207
208		"mix of **markers__\n",
209		"<p>mix of **markers__</p>\n",
210	}
211	doTestsInline(t, tests)
212}
213
214func TestEmphasisMix(t *testing.T) {
215	var tests = []string{
216		"***triple emphasis***\n",
217		"<p><strong><em>triple emphasis</em></strong></p>\n",
218
219		"***triple\nemphasis***\n",
220		"<p><strong><em>triple\nemphasis</em></strong></p>\n",
221
222		"___triple emphasis___\n",
223		"<p><strong><em>triple emphasis</em></strong></p>\n",
224
225		"***triple emphasis___\n",
226		"<p>***triple emphasis___</p>\n",
227
228		"*__triple emphasis__*\n",
229		"<p><em><strong>triple emphasis</strong></em></p>\n",
230
231		"__*triple emphasis*__\n",
232		"<p><strong><em>triple emphasis</em></strong></p>\n",
233
234		"**improper *nesting** is* bad\n",
235		"<p><strong>improper *nesting</strong> is* bad</p>\n",
236
237		"*improper **nesting* is** bad\n",
238		"<p><em>improper **nesting</em> is** bad</p>\n",
239	}
240	doTestsInline(t, tests)
241}
242
243func TestEmphasisLink(t *testing.T) {
244	var tests = []string{
245		"[first](before) *text[second] (inside)text* [third](after)\n",
246		"<p><a href=\"before\">first</a> <em>text<a href=\"inside\">second</a>text</em> <a href=\"after\">third</a></p>\n",
247
248		"*incomplete [link] definition*\n",
249		"<p><em>incomplete [link] definition</em></p>\n",
250
251		"*it's [emphasis*] (not link)\n",
252		"<p><em>it's [emphasis</em>] (not link)</p>\n",
253
254		"*it's [emphasis*] and *[asterisk]\n",
255		"<p><em>it's [emphasis</em>] and *[asterisk]</p>\n",
256	}
257	doTestsInline(t, tests)
258}
259
260func TestStrikeThrough(t *testing.T) {
261	var tests = []string{
262		"nothing inline\n",
263		"<p>nothing inline</p>\n",
264
265		"simple ~~inline~~ test\n",
266		"<p>simple <del>inline</del> test</p>\n",
267
268		"~~at the~~ beginning\n",
269		"<p><del>at the</del> beginning</p>\n",
270
271		"at the ~~end~~\n",
272		"<p>at the <del>end</del></p>\n",
273
274		"~~try two~~ in ~~one line~~\n",
275		"<p><del>try two</del> in <del>one line</del></p>\n",
276
277		"over ~~two\nlines~~ test\n",
278		"<p>over <del>two\nlines</del> test</p>\n",
279
280		"odd ~~number of~~ markers~~ here\n",
281		"<p>odd <del>number of</del> markers~~ here</p>\n",
282
283		"odd ~~number\nof~~ markers~~ here\n",
284		"<p>odd <del>number\nof</del> markers~~ here</p>\n",
285	}
286	doTestsInline(t, tests)
287}
288
289func TestCodeSpan(t *testing.T) {
290	var tests = []string{
291		"`source code`\n",
292		"<p><code>source code</code></p>\n",
293
294		"` source code with spaces `\n",
295		"<p><code>source code with spaces</code></p>\n",
296
297		"` source code with spaces `not here\n",
298		"<p><code>source code with spaces</code>not here</p>\n",
299
300		"a `single marker\n",
301		"<p>a `single marker</p>\n",
302
303		"a single multi-tick marker with ``` no text\n",
304		"<p>a single multi-tick marker with ``` no text</p>\n",
305
306		"markers with ` ` a space\n",
307		"<p>markers with  a space</p>\n",
308
309		"`source code` and a `stray\n",
310		"<p><code>source code</code> and a `stray</p>\n",
311
312		"`source *with* _awkward characters_ in it`\n",
313		"<p><code>source *with* _awkward characters_ in it</code></p>\n",
314
315		"`split over\ntwo lines`\n",
316		"<p><code>split over\ntwo lines</code></p>\n",
317
318		"```multiple ticks``` for the marker\n",
319		"<p><code>multiple ticks</code> for the marker</p>\n",
320
321		"```multiple ticks `with` ticks inside```\n",
322		"<p><code>multiple ticks `with` ticks inside</code></p>\n",
323	}
324	doTestsInline(t, tests)
325}
326
327func TestLineBreak(t *testing.T) {
328	var tests = []string{
329		"this line  \nhas a break\n",
330		"<p>this line<br />\nhas a break</p>\n",
331
332		"this line \ndoes not\n",
333		"<p>this line\ndoes not</p>\n",
334
335		"this has an   \nextra space\n",
336		"<p>this has an<br />\nextra space</p>\n",
337	}
338	doTestsInline(t, tests)
339}
340
341func TestInlineLink(t *testing.T) {
342	var tests = []string{
343		"[foo](/bar/)\n",
344		"<p><a href=\"/bar/\">foo</a></p>\n",
345
346		"[foo with a title](/bar/ \"title\")\n",
347		"<p><a href=\"/bar/\" title=\"title\">foo with a title</a></p>\n",
348
349		"[foo with a title](/bar/\t\"title\")\n",
350		"<p><a href=\"/bar/\" title=\"title\">foo with a title</a></p>\n",
351
352		"[foo with a title](/bar/ \"title\"  )\n",
353		"<p><a href=\"/bar/\" title=\"title\">foo with a title</a></p>\n",
354
355		"[foo with a title](/bar/ title with no quotes)\n",
356		"<p><a href=\"/bar/ title with no quotes\">foo with a title</a></p>\n",
357
358		"[foo]()\n",
359		"<p>[foo]()</p>\n",
360
361		"![foo](/bar/)\n",
362		"<p><img src=\"/bar/\" alt=\"foo\" />\n</p>\n",
363
364		"![foo with a title](/bar/ \"title\")\n",
365		"<p><img src=\"/bar/\" alt=\"foo with a title\" title=\"title\" />\n</p>\n",
366
367		"![foo with a title](/bar/\t\"title\")\n",
368		"<p><img src=\"/bar/\" alt=\"foo with a title\" title=\"title\" />\n</p>\n",
369
370		"![foo with a title](/bar/ \"title\"  )\n",
371		"<p><img src=\"/bar/\" alt=\"foo with a title\" title=\"title\" />\n</p>\n",
372
373		"![foo with a title](/bar/ title with no quotes)\n",
374		"<p><img src=\"/bar/ title with no quotes\" alt=\"foo with a title\" />\n</p>\n",
375
376		"![](img.jpg)\n",
377		"<p><img src=\"img.jpg\" alt=\"\" />\n</p>\n",
378
379		"[link](url)\n",
380		"<p><a href=\"url\">link</a></p>\n",
381
382		"![foo]()\n",
383		"<p>![foo]()</p>\n",
384
385		"[a link]\t(/with_a_tab/)\n",
386		"<p><a href=\"/with_a_tab/\">a link</a></p>\n",
387
388		"[a link]  (/with_spaces/)\n",
389		"<p><a href=\"/with_spaces/\">a link</a></p>\n",
390
391		"[text (with) [[nested] (brackets)]](/url/)\n",
392		"<p><a href=\"/url/\">text (with) [[nested] (brackets)]</a></p>\n",
393
394		"[text (with) [broken nested] (brackets)]](/url/)\n",
395		"<p>[text (with) <a href=\"brackets\">broken nested</a>]](/url/)</p>\n",
396
397		"[text\nwith a newline](/link/)\n",
398		"<p><a href=\"/link/\">text\nwith a newline</a></p>\n",
399
400		"[text in brackets] [followed](/by a link/)\n",
401		"<p>[text in brackets] <a href=\"/by a link/\">followed</a></p>\n",
402
403		"[link with\\] a closing bracket](/url/)\n",
404		"<p><a href=\"/url/\">link with] a closing bracket</a></p>\n",
405
406		"[link with\\[ an opening bracket](/url/)\n",
407		"<p><a href=\"/url/\">link with[ an opening bracket</a></p>\n",
408
409		"[link with\\) a closing paren](/url/)\n",
410		"<p><a href=\"/url/\">link with) a closing paren</a></p>\n",
411
412		"[link with\\( an opening paren](/url/)\n",
413		"<p><a href=\"/url/\">link with( an opening paren</a></p>\n",
414
415		"[link](  with whitespace)\n",
416		"<p><a href=\"with whitespace\">link</a></p>\n",
417
418		"[link](  with whitespace   )\n",
419		"<p><a href=\"with whitespace\">link</a></p>\n",
420
421		"[![image](someimage)](with image)\n",
422		"<p><a href=\"with image\"><img src=\"someimage\" alt=\"image\" />\n</a></p>\n",
423
424		"[link](url \"one quote)\n",
425		"<p><a href=\"url &quot;one quote\">link</a></p>\n",
426
427		"[link](url 'one quote)\n",
428		"<p><a href=\"url 'one quote\">link</a></p>\n",
429
430		"[link](<url>)\n",
431		"<p><a href=\"url\">link</a></p>\n",
432
433		"[link & ampersand](/url/)\n",
434		"<p><a href=\"/url/\">link &amp; ampersand</a></p>\n",
435
436		"[link &amp; ampersand](/url/)\n",
437		"<p><a href=\"/url/\">link &amp; ampersand</a></p>\n",
438
439		"[link](/url/&query)\n",
440		"<p><a href=\"/url/&amp;query\">link</a></p>\n",
441
442		"[[t]](/t)\n",
443		"<p><a href=\"/t\">[t]</a></p>\n",
444
445		"[link](</>)\n",
446		"<p><a href=\"/\">link</a></p>\n",
447
448		"[link](<./>)\n",
449		"<p><a href=\"./\">link</a></p>\n",
450
451		"[link](<../>)\n",
452		"<p><a href=\"../\">link</a></p>\n",
453	}
454	doLinkTestsInline(t, tests)
455
456}
457
458func TestNofollowLink(t *testing.T) {
459	var tests = []string{
460		"[foo](http://bar.com/foo/)\n",
461		"<p><a href=\"http://bar.com/foo/\" rel=\"nofollow\">foo</a></p>\n",
462
463		"[foo](/bar/)\n",
464		"<p><a href=\"/bar/\">foo</a></p>\n",
465
466		"[foo](/)\n",
467		"<p><a href=\"/\">foo</a></p>\n",
468
469		"[foo](./)\n",
470		"<p><a href=\"./\">foo</a></p>\n",
471
472		"[foo](../)\n",
473		"<p><a href=\"../\">foo</a></p>\n",
474
475		"[foo](../bar)\n",
476		"<p><a href=\"../bar\">foo</a></p>\n",
477	}
478	doTestsInlineParam(t, tests, 0, HTML_SAFELINK|HTML_NOFOLLOW_LINKS,
479		HtmlRendererParameters{})
480}
481
482func TestHrefTargetBlank(t *testing.T) {
483	var tests = []string{
484		// internal link
485		"[foo](/bar/)\n",
486		"<p><a href=\"/bar/\">foo</a></p>\n",
487
488		"[foo](/)\n",
489		"<p><a href=\"/\">foo</a></p>\n",
490
491		"[foo](./)\n",
492		"<p><a href=\"./\">foo</a></p>\n",
493
494		"[foo](./bar)\n",
495		"<p><a href=\"./bar\">foo</a></p>\n",
496
497		"[foo](../)\n",
498		"<p><a href=\"../\">foo</a></p>\n",
499
500		"[foo](../bar)\n",
501		"<p><a href=\"../bar\">foo</a></p>\n",
502
503		"[foo](http://example.com)\n",
504		"<p><a href=\"http://example.com\" target=\"_blank\">foo</a></p>\n",
505	}
506	doTestsInlineParam(t, tests, 0, HTML_SAFELINK|HTML_HREF_TARGET_BLANK, HtmlRendererParameters{})
507}
508
509func TestSafeInlineLink(t *testing.T) {
510	var tests = []string{
511		"[foo](/bar/)\n",
512		"<p><a href=\"/bar/\">foo</a></p>\n",
513
514		"[foo](/)\n",
515		"<p><a href=\"/\">foo</a></p>\n",
516
517		"[foo](./)\n",
518		"<p><a href=\"./\">foo</a></p>\n",
519
520		"[foo](../)\n",
521		"<p><a href=\"../\">foo</a></p>\n",
522
523		"[foo](http://bar/)\n",
524		"<p><a href=\"http://bar/\">foo</a></p>\n",
525
526		"[foo](https://bar/)\n",
527		"<p><a href=\"https://bar/\">foo</a></p>\n",
528
529		"[foo](ftp://bar/)\n",
530		"<p><a href=\"ftp://bar/\">foo</a></p>\n",
531
532		"[foo](mailto://bar/)\n",
533		"<p><a href=\"mailto://bar/\">foo</a></p>\n",
534
535		// Not considered safe
536		"[foo](baz://bar/)\n",
537		"<p><tt>foo</tt></p>\n",
538	}
539	doSafeTestsInline(t, tests)
540}
541
542func TestReferenceLink(t *testing.T) {
543	var tests = []string{
544		"[link][ref]\n",
545		"<p>[link][ref]</p>\n",
546
547		"[link][ref]\n   [ref]: /url/ \"title\"\n",
548		"<p><a href=\"/url/\" title=\"title\">link</a></p>\n",
549
550		"[link][ref]\n   [ref]: /url/\n",
551		"<p><a href=\"/url/\">link</a></p>\n",
552
553		"   [ref]: /url/\n",
554		"",
555
556		"   [ref]: /url/\n[ref2]: /url/\n [ref3]: /url/\n",
557		"",
558
559		"   [ref]: /url/\n[ref2]: /url/\n [ref3]: /url/\n    [4spaces]: /url/\n",
560		"<pre><code>[4spaces]: /url/\n</code></pre>\n",
561
562		"[hmm](ref2)\n   [ref]: /url/\n[ref2]: /url/\n [ref3]: /url/\n",
563		"<p><a href=\"ref2\">hmm</a></p>\n",
564
565		"[ref]\n",
566		"<p>[ref]</p>\n",
567
568		"[ref]\n   [ref]: /url/ \"title\"\n",
569		"<p><a href=\"/url/\" title=\"title\">ref</a></p>\n",
570
571		"[ref]\n   [ref]: ../url/ \"title\"\n",
572		"<p><a href=\"../url/\" title=\"title\">ref</a></p>\n",
573	}
574	doLinkTestsInline(t, tests)
575}
576
577func TestTags(t *testing.T) {
578	var tests = []string{
579		"a <span>tag</span>\n",
580		"<p>a <span>tag</span></p>\n",
581
582		"<span>tag</span>\n",
583		"<p><span>tag</span></p>\n",
584
585		"<span>mismatch</spandex>\n",
586		"<p><span>mismatch</spandex></p>\n",
587
588		"a <singleton /> tag\n",
589		"<p>a <singleton /> tag</p>\n",
590	}
591	doTestsInline(t, tests)
592}
593
594func TestAutoLink(t *testing.T) {
595	var tests = []string{
596		"http://foo.com/\n",
597		"<p><a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
598
599		"1 http://foo.com/\n",
600		"<p>1 <a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
601
602		"1http://foo.com/\n",
603		"<p>1<a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
604
605		"1.http://foo.com/\n",
606		"<p>1.<a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
607
608		"1. http://foo.com/\n",
609		"<ol>\n<li><a href=\"http://foo.com/\">http://foo.com/</a></li>\n</ol>\n",
610
611		"-http://foo.com/\n",
612		"<p>-<a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
613
614		"- http://foo.com/\n",
615		"<ul>\n<li><a href=\"http://foo.com/\">http://foo.com/</a></li>\n</ul>\n",
616
617		"_http://foo.com/\n",
618		"<p>_<a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
619
620		"令狐http://foo.com/\n",
621		"<p>令狐<a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
622
623		"令狐 http://foo.com/\n",
624		"<p>令狐 <a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
625
626		"ahttp://foo.com/\n",
627		"<p>ahttp://foo.com/</p>\n",
628
629		">http://foo.com/\n",
630		"<blockquote>\n<p><a href=\"http://foo.com/\">http://foo.com/</a></p>\n</blockquote>\n",
631
632		"> http://foo.com/\n",
633		"<blockquote>\n<p><a href=\"http://foo.com/\">http://foo.com/</a></p>\n</blockquote>\n",
634
635		"go to <http://foo.com/>\n",
636		"<p>go to <a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
637
638		"a secure <https://link.org>\n",
639		"<p>a secure <a href=\"https://link.org\">https://link.org</a></p>\n",
640
641		"an email <mailto:some@one.com>\n",
642		"<p>an email <a href=\"mailto:some@one.com\">some@one.com</a></p>\n",
643
644		"an email <mailto://some@one.com>\n",
645		"<p>an email <a href=\"mailto://some@one.com\">some@one.com</a></p>\n",
646
647		"an email <some@one.com>\n",
648		"<p>an email <a href=\"mailto:some@one.com\">some@one.com</a></p>\n",
649
650		"an ftp <ftp://old.com>\n",
651		"<p>an ftp <a href=\"ftp://old.com\">ftp://old.com</a></p>\n",
652
653		"an ftp <ftp:old.com>\n",
654		"<p>an ftp <a href=\"ftp:old.com\">ftp:old.com</a></p>\n",
655
656		"a link with <http://new.com?query=foo&bar>\n",
657		"<p>a link with <a href=\"http://new.com?query=foo&amp;bar\">" +
658			"http://new.com?query=foo&amp;bar</a></p>\n",
659
660		"quotes mean a tag <http://new.com?query=\"foo\"&bar>\n",
661		"<p>quotes mean a tag <http://new.com?query=\"foo\"&bar></p>\n",
662
663		"quotes mean a tag <http://new.com?query='foo'&bar>\n",
664		"<p>quotes mean a tag <http://new.com?query='foo'&bar></p>\n",
665
666		"unless escaped <http://new.com?query=\\\"foo\\\"&bar>\n",
667		"<p>unless escaped <a href=\"http://new.com?query=&quot;foo&quot;&amp;bar\">" +
668			"http://new.com?query=&quot;foo&quot;&amp;bar</a></p>\n",
669
670		"even a > can be escaped <http://new.com?q=\\>&etc>\n",
671		"<p>even a &gt; can be escaped <a href=\"http://new.com?q=&gt;&amp;etc\">" +
672			"http://new.com?q=&gt;&amp;etc</a></p>\n",
673
674		"<a href=\"http://fancy.com\">http://fancy.com</a>\n",
675		"<p><a href=\"http://fancy.com\">http://fancy.com</a></p>\n",
676
677		"<a href=\"http://fancy.com\">This is a link</a>\n",
678		"<p><a href=\"http://fancy.com\">This is a link</a></p>\n",
679
680		"<a href=\"http://www.fancy.com/A_B.pdf\">http://www.fancy.com/A_B.pdf</a>\n",
681		"<p><a href=\"http://www.fancy.com/A_B.pdf\">http://www.fancy.com/A_B.pdf</a></p>\n",
682
683		"(<a href=\"http://www.fancy.com/A_B\">http://www.fancy.com/A_B</a> (\n",
684		"<p>(<a href=\"http://www.fancy.com/A_B\">http://www.fancy.com/A_B</a> (</p>\n",
685
686		"(<a href=\"http://www.fancy.com/A_B\">http://www.fancy.com/A_B</a> (part two: <a href=\"http://www.fancy.com/A_B\">http://www.fancy.com/A_B</a>)).\n",
687		"<p>(<a href=\"http://www.fancy.com/A_B\">http://www.fancy.com/A_B</a> (part two: <a href=\"http://www.fancy.com/A_B\">http://www.fancy.com/A_B</a>)).</p>\n",
688
689		"http://www.foo.com<br />\n",
690		"<p><a href=\"http://www.foo.com\">http://www.foo.com</a><br /></p>\n",
691
692		"http://foo.com/viewtopic.php?f=18&amp;t=297",
693		"<p><a href=\"http://foo.com/viewtopic.php?f=18&amp;t=297\">http://foo.com/viewtopic.php?f=18&amp;t=297</a></p>\n",
694
695		"http://foo.com/viewtopic.php?param=&quot;18&quot;zz",
696		"<p><a href=\"http://foo.com/viewtopic.php?param=&quot;18&quot;zz\">http://foo.com/viewtopic.php?param=&quot;18&quot;zz</a></p>\n",
697
698		"http://foo.com/viewtopic.php?param=&quot;18&quot;",
699		"<p><a href=\"http://foo.com/viewtopic.php?param=&quot;18&quot;\">http://foo.com/viewtopic.php?param=&quot;18&quot;</a></p>\n",
700	}
701	doLinkTestsInline(t, tests)
702}
703
704var footnoteTests = []string{
705	"testing footnotes.[^a]\n\n[^a]: This is the note\n",
706	`<p>testing footnotes.<sup class="footnote-ref" id="fnref:a"><a rel="footnote" href="#fn:a">1</a></sup></p>
707<div class="footnotes">
708
709<hr />
710
711<ol>
712<li id="fn:a">This is the note
713</li>
714</ol>
715</div>
716`,
717
718	`testing long[^b] notes.
719
720[^b]: Paragraph 1
721
722	Paragraph 2
723
724	` + "```\n\tsome code\n\t```" + `
725
726	Paragraph 3
727
728No longer in the footnote
729`,
730	`<p>testing long<sup class="footnote-ref" id="fnref:b"><a rel="footnote" href="#fn:b">1</a></sup> notes.</p>
731
732<p>No longer in the footnote</p>
733<div class="footnotes">
734
735<hr />
736
737<ol>
738<li id="fn:b"><p>Paragraph 1</p>
739
740<p>Paragraph 2</p>
741
742<p><code>
743some code
744</code></p>
745
746<p>Paragraph 3</p>
747</li>
748</ol>
749</div>
750`,
751
752	`testing[^c] multiple[^d] notes.
753
754[^c]: this is [note] c
755
756
757omg
758
759[^d]: this is note d
760
761what happens here
762
763[note]: /link/c
764
765`,
766	`<p>testing<sup class="footnote-ref" id="fnref:c"><a rel="footnote" href="#fn:c">1</a></sup> multiple<sup class="footnote-ref" id="fnref:d"><a rel="footnote" href="#fn:d">2</a></sup> notes.</p>
767
768<p>omg</p>
769
770<p>what happens here</p>
771<div class="footnotes">
772
773<hr />
774
775<ol>
776<li id="fn:c">this is <a href="/link/c">note</a> c
777</li>
778<li id="fn:d">this is note d
779</li>
780</ol>
781</div>
782`,
783
784	"testing inline^[this is the note] notes.\n",
785	`<p>testing inline<sup class="footnote-ref" id="fnref:this-is-the-note"><a rel="footnote" href="#fn:this-is-the-note">1</a></sup> notes.</p>
786<div class="footnotes">
787
788<hr />
789
790<ol>
791<li id="fn:this-is-the-note">this is the note</li>
792</ol>
793</div>
794`,
795
796	"testing multiple[^1] types^[inline note] of notes[^2]\n\n[^2]: the second deferred note\n[^1]: the first deferred note\n\n\twhich happens to be a block\n",
797	`<p>testing multiple<sup class="footnote-ref" id="fnref:1"><a rel="footnote" href="#fn:1">1</a></sup> types<sup class="footnote-ref" id="fnref:inline-note"><a rel="footnote" href="#fn:inline-note">2</a></sup> of notes<sup class="footnote-ref" id="fnref:2"><a rel="footnote" href="#fn:2">3</a></sup></p>
798<div class="footnotes">
799
800<hr />
801
802<ol>
803<li id="fn:1"><p>the first deferred note</p>
804
805<p>which happens to be a block</p>
806</li>
807<li id="fn:inline-note">inline note</li>
808<li id="fn:2">the second deferred note
809</li>
810</ol>
811</div>
812`,
813
814	`This is a footnote[^1]^[and this is an inline footnote]
815
816[^1]: the footnote text.
817
818    may be multiple paragraphs.
819`,
820	`<p>This is a footnote<sup class="footnote-ref" id="fnref:1"><a rel="footnote" href="#fn:1">1</a></sup><sup class="footnote-ref" id="fnref:and-this-is-an-i"><a rel="footnote" href="#fn:and-this-is-an-i">2</a></sup></p>
821<div class="footnotes">
822
823<hr />
824
825<ol>
826<li id="fn:1"><p>the footnote text.</p>
827
828<p>may be multiple paragraphs.</p>
829</li>
830<li id="fn:and-this-is-an-i">and this is an inline footnote</li>
831</ol>
832</div>
833`,
834
835	"empty footnote[^]\n\n[^]: fn text",
836	"<p>empty footnote<sup class=\"footnote-ref\" id=\"fnref:\"><a rel=\"footnote\" href=\"#fn:\">1</a></sup></p>\n<div class=\"footnotes\">\n\n<hr />\n\n<ol>\n<li id=\"fn:\">fn text\n</li>\n</ol>\n</div>\n",
837}
838
839func TestFootnotes(t *testing.T) {
840	doTestsInlineParam(t, footnoteTests, EXTENSION_FOOTNOTES, 0, HtmlRendererParameters{})
841}
842
843func TestFootnotesWithParameters(t *testing.T) {
844	tests := make([]string, len(footnoteTests))
845
846	prefix := "testPrefix"
847	returnText := "ret"
848	re := regexp.MustCompile(`(?ms)<li id="fn:(\S+?)">(.*?)</li>`)
849
850	// Transform the test expectations to match the parameters we're using.
851	for i, test := range footnoteTests {
852		if i%2 == 1 {
853			test = strings.Replace(test, "fn:", "fn:"+prefix, -1)
854			test = strings.Replace(test, "fnref:", "fnref:"+prefix, -1)
855			test = re.ReplaceAllString(test, `<li id="fn:$1">$2 <a class="footnote-return" href="#fnref:$1">ret</a></li>`)
856		}
857		tests[i] = test
858	}
859
860	params := HtmlRendererParameters{
861		FootnoteAnchorPrefix:       prefix,
862		FootnoteReturnLinkContents: returnText,
863	}
864
865	doTestsInlineParam(t, tests, EXTENSION_FOOTNOTES, HTML_FOOTNOTE_RETURN_LINKS, params)
866}
867
868func TestSmartDoubleQuotes(t *testing.T) {
869	var tests = []string{
870		"this should be normal \"quoted\" text.\n",
871		"<p>this should be normal &ldquo;quoted&rdquo; text.</p>\n",
872		"this \" single double\n",
873		"<p>this &ldquo; single double</p>\n",
874		"two pair of \"some\" quoted \"text\".\n",
875		"<p>two pair of &ldquo;some&rdquo; quoted &ldquo;text&rdquo;.</p>\n"}
876
877	doTestsInlineParam(t, tests, 0, HTML_USE_SMARTYPANTS, HtmlRendererParameters{})
878}
879
880func TestSmartAngledDoubleQuotes(t *testing.T) {
881	var tests = []string{
882		"this should be angled \"quoted\" text.\n",
883		"<p>this should be angled &laquo;quoted&raquo; text.</p>\n",
884		"this \" single double\n",
885		"<p>this &laquo; single double</p>\n",
886		"two pair of \"some\" quoted \"text\".\n",
887		"<p>two pair of &laquo;some&raquo; quoted &laquo;text&raquo;.</p>\n"}
888
889	doTestsInlineParam(t, tests, 0, HTML_USE_SMARTYPANTS|HTML_SMARTYPANTS_ANGLED_QUOTES, HtmlRendererParameters{})
890}
891
892func TestSmartFractions(t *testing.T) {
893	var tests = []string{
894		"1/2, 1/4 and 3/4; 1/4th and 3/4ths\n",
895		"<p>&frac12;, &frac14; and &frac34;; &frac14;th and &frac34;ths</p>\n",
896		"1/2/2015, 1/4/2015, 3/4/2015; 2015/1/2, 2015/1/4, 2015/3/4.\n",
897		"<p>1/2/2015, 1/4/2015, 3/4/2015; 2015/1/2, 2015/1/4, 2015/3/4.</p>\n"}
898
899	doTestsInlineParam(t, tests, 0, HTML_USE_SMARTYPANTS, HtmlRendererParameters{})
900
901	tests = []string{
902		"1/2, 2/3, 81/100 and 1000000/1048576.\n",
903		"<p><sup>1</sup>&frasl;<sub>2</sub>, <sup>2</sup>&frasl;<sub>3</sub>, <sup>81</sup>&frasl;<sub>100</sub> and <sup>1000000</sup>&frasl;<sub>1048576</sub>.</p>\n",
904		"1/2/2015, 1/4/2015, 3/4/2015; 2015/1/2, 2015/1/4, 2015/3/4.\n",
905		"<p>1/2/2015, 1/4/2015, 3/4/2015; 2015/1/2, 2015/1/4, 2015/3/4.</p>\n"}
906
907	doTestsInlineParam(t, tests, 0, HTML_USE_SMARTYPANTS|HTML_SMARTYPANTS_FRACTIONS, HtmlRendererParameters{})
908}