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Line No.	Rev	Author	Line
1	747	jeremybenn	`// Copyright 2009 The Go Authors. All rights reserved.`
2			`// Use of this source code is governed by a BSD-style`
3			`// license that can be found in the LICENSE file.`
4
5			`package tabwriter`
6
7			`import (`
8			`"io"`
9			`"testing"`
10			`)`
11
12			`type buffer struct {`
13			`a []byte`
14			`}`
15
16			`func (b *buffer) init(n int) { b.a = make([]byte, n)[0:0] }`
17
18			`func (b *buffer) clear() { b.a = b.a[0:0] }`
19
20			`func (b *buffer) Write(buf []byte) (written int, err error) {`
21			`n := len(b.a)`
22			`m := len(buf)`
23			`if n+m <= cap(b.a) {`
24			`b.a = b.a[0 : n+m]`
25			`for i := 0; i < m; i++ {`
26			`b.a[n+i] = buf[i]`
27			`}`
28			`} else {`
29			`panic("buffer.Write: buffer too small")`
30			`}`
31			`return len(buf), nil`
32			`}`
33
34			`func (b *buffer) String() string { return string(b.a) }`
35
36			`func write(t testing.T, testname string, w Writer, src string) {`
37			`written, err := io.WriteString(w, src)`
38			`if err != nil {`
39			`t.Errorf("--- test: %s\n--- src:\n%q\n--- write error: %v\n", testname, src, err)`
40			`}`
41			`if written != len(src) {`
42			`t.Errorf("--- test: %s\n--- src:\n%q\n--- written = %d, len(src) = %d\n", testname, src, written, len(src))`
43			`}`
44			`}`
45
46			`func verify(t testing.T, testname string, w Writer, b *buffer, src, expected string) {`
47			`err := w.Flush()`
48			`if err != nil {`
49			`t.Errorf("--- test: %s\n--- src:\n%q\n--- flush error: %v\n", testname, src, err)`
50			`}`
51
52			`res := b.String()`
53			`if res != expected {`
54			`t.Errorf("--- test: %s\n--- src:\n%q\n--- found:\n%q\n--- expected:\n%q\n", testname, src, res, expected)`
55			`}`
56			`}`
57
58			`func check(t *testing.T, testname string, minwidth, tabwidth, padding int, padchar byte, flags uint, src, expected string) {`
59			`var b buffer`
60			`b.init(1000)`
61
62			`var w Writer`
63			`w.Init(&b, minwidth, tabwidth, padding, padchar, flags)`
64
65			`// write all at once`
66			`title := testname + " (written all at once)"`
67			`b.clear()`
68			`write(t, title, &w, src)`
69			`verify(t, title, &w, &b, src, expected)`
70
71			`// write byte-by-byte`
72			`title = testname + " (written byte-by-byte)"`
73			`b.clear()`
74			`for i := 0; i < len(src); i++ {`
75			`write(t, title, &w, src[i:i+1])`
76			`}`
77			`verify(t, title, &w, &b, src, expected)`
78
79			`// write using Fibonacci slice sizes`
80			`title = testname + " (written in fibonacci slices)"`
81			`b.clear()`
82			`for i, d := 0, 0; i < len(src); {`
83			`write(t, title, &w, src[i:i+d])`
84			`i, d = i+d, d+1`
85			`if i+d > len(src) {`
86			`d = len(src) - i`
87			`}`
88			`}`
89			`verify(t, title, &w, &b, src, expected)`
90			`}`
91
92			`var tests = []struct {`
93			`testname string`
94			`minwidth, tabwidth, padding int`
95			`padchar byte`
96			`flags uint`
97			`src, expected string`
98			`}{`
99			`{`
100			`"1a",`
101			`8, 0, 1, '.', 0,`
102			`"",`
103			`"",`
104			`},`
105
106			`{`
107			`"1a debug",`
108			`8, 0, 1, '.', Debug,`
109			`"",`
110			`"",`
111			`},`
112
113			`{`
114			`"1b esc stripped",`
115			`8, 0, 1, '.', StripEscape,`
116			`"\xff\xff",`
117			`"",`
118			`},`
119
120			`{`
121			`"1b esc",`
122			`8, 0, 1, '.', 0,`
123			`"\xff\xff",`
124			`"\xff\xff",`
125			`},`
126
127			`{`
128			`"1c esc stripped",`
129			`8, 0, 1, '.', StripEscape,`
130			`"\xff\t\xff",`
131			`"\t",`
132			`},`
133
134			`{`
135			`"1c esc",`
136			`8, 0, 1, '.', 0,`
137			`"\xff\t\xff",`
138			`"\xff\t\xff",`
139			`},`
140
141			`{`
142			`"1d esc stripped",`
143			`8, 0, 1, '.', StripEscape,`
144			`"\xff\"foo\t\n\tbar\"\xff",`
145			`"\"foo\t\n\tbar\"",`
146			`},`
147
148			`{`
149			`"1d esc",`
150			`8, 0, 1, '.', 0,`
151			`"\xff\"foo\t\n\tbar\"\xff",`
152			`"\xff\"foo\t\n\tbar\"\xff",`
153			`},`
154
155			`{`
156			`"1e esc stripped",`
157			`8, 0, 1, '.', StripEscape,`
158			`"abc\xff\tdef", // unterminated escape`
159			`"abc\tdef",`
160			`},`
161
162			`{`
163			`"1e esc",`
164			`8, 0, 1, '.', 0,`
165			`"abc\xff\tdef", // unterminated escape`
166			`"abc\xff\tdef",`
167			`},`
168
169			`{`
170			`"2",`
171			`8, 0, 1, '.', 0,`
172			`"\n\n\n",`
173			`"\n\n\n",`
174			`},`
175
176			`{`
177			`"3",`
178			`8, 0, 1, '.', 0,`
179			`"a\nb\nc",`
180			`"a\nb\nc",`
181			`},`
182
183			`{`
184			`"4a",`
185			`8, 0, 1, '.', 0,`
186			`"\t", // '\t' terminates an empty cell on last line - nothing to print`
187			`"",`
188			`},`
189
190			`{`
191			`"4b",`
192			`8, 0, 1, '.', AlignRight,`
193			`"\t", // '\t' terminates an empty cell on last line - nothing to print`
194			`"",`
195			`},`
196
197			`{`
198			`"5",`
199			`8, 0, 1, '.', 0,`
200			`"\t",`
201			`".......",`
202			`},`
203
204			`{`
205			`"5b",`
206			`8, 0, 1, '.', 0,`
207			`"\t\n",`
208			`".......\n",`
209			`},`
210
211			`{`
212			`"5c",`
213			`8, 0, 1, '.', 0,`
214			`"\t\t",`
215			`".......",`
216			`},`
217
218			`{`
219			`"5c debug",`
220			`8, 0, 1, '.', Debug,`
221			`"\t\t",`
222			`".......\|",`
223			`},`
224
225			`{`
226			`"5d",`
227			`8, 0, 1, '.', AlignRight,`
228			`"\t\t",`
229			`".......**",`
230			`},`
231
232			`{`
233			`"6",`
234			`8, 0, 1, '.', 0,`
235			`"\t\n",`
236			`"........\n",`
237			`},`
238
239			`{`
240			`"7a",`
241			`8, 0, 1, '.', 0,`
242			`"a) foo",`
243			`"a) foo",`
244			`},`
245
246			`{`
247			`"7b",`
248			`8, 0, 1, ' ', 0,`
249			`"b) foo\tbar",`
250			`"b) foo bar",`
251			`},`
252
253			`{`
254			`"7c",`
255			`8, 0, 1, '.', 0,`
256			`"c) foo\tbar\t",`
257			`"c) foo..bar",`
258			`},`
259
260			`{`
261			`"7d",`
262			`8, 0, 1, '.', 0,`
263			`"d) foo\tbar\n",`
264			`"d) foo..bar\n",`
265			`},`
266
267			`{`
268			`"7e",`
269			`8, 0, 1, '.', 0,`
270			`"e) foo\tbar\t\n",`
271			`"e) foo..bar.....\n",`
272			`},`
273
274			`{`
275			`"7f",`
276			`8, 0, 1, '.', FilterHTML,`
277			`"f) f<o\tbar\t\n",`
278			`"f) f<o..bar.....\n",`
279			`},`
280
281			`{`
282			`"7g",`
283			`8, 0, 1, '.', FilterHTML,`
284			`"g) f<o\tbar\t non-terminated entity &",`
285			`"g) f<o..bar..... non-terminated entity &",`
286			`},`
287
288			`{`
289			`"7g debug",`
290			`8, 0, 1, '.', FilterHTML \| Debug,`
291			`"g) f<o\tbar\t non-terminated entity &",`
292			`"g) f<o..\|bar.....\| non-terminated entity &",`
293			`},`
294
295			`{`
296			`"8",`
297			`8, 0, 1, '*', 0,`
298			`"Hello, world!\n",`
299			`"Hello, world!\n",`
300			`},`
301
302			`{`
303			`"9a",`
304			`1, 0, 0, '.', 0,`
305			`"1\t2\t3\t4\n" +`
306			`"11\t222\t3333\t44444\n",`
307
308			`"1.2..3...4\n" +`
309			`"11222333344444\n",`
310			`},`
311
312			`{`
313			`"9b",`
314			`1, 0, 0, '.', FilterHTML,`
315			`"1\t2\t3\t4\n" + // \f inside HTML is ignored`
316			`"11\t222\t3333\t44444\n",`
317
318			`"1.2..3...4\n" +`
319			`"11222333344444\n",`
320			`},`
321
322			`{`
323			`"9c",`
324			`1, 0, 0, '.', 0,`
325			`"1\t2\t3\t4\f" + // \f causes a newline and flush`
326			`"11\t222\t3333\t44444\n",`
327
328			`"1234\n" +`
329			`"11222333344444\n",`
330			`},`
331
332			`{`
333			`"9c debug",`
334			`1, 0, 0, '.', Debug,`
335			`"1\t2\t3\t4\f" + // \f causes a newline and flush`
336			`"11\t222\t3333\t44444\n",`
337
338			`"1\|2\|3\|4\n" +`
339			`"---\n" +`
340			`"11\|222\|3333\|44444\n",`
341			`},`
342
343			`{`
344			`"10a",`
345			`5, 0, 0, '.', 0,`
346			`"1\t2\t3\t4\n",`
347			`"1....2....3....4\n",`
348			`},`
349
350			`{`
351			`"10b",`
352			`5, 0, 0, '.', 0,`
353			`"1\t2\t3\t4\t\n",`
354			`"1....2....3....4....\n",`
355			`},`
356
357			`{`
358			`"11",`
359			`8, 0, 1, '.', 0,`
360			`"本\tb\tc\n" +`
361			`"aa\t\u672c\u672c\u672c\tcccc\tddddd\n" +`
362			`"aaa\tbbbb\n",`
363
364			`"本.......b.......c\n" +`
365			`"aa......本本本.....cccc....ddddd\n" +`
366			`"aaa.....bbbb\n",`
367			`},`
368
369			`{`
370			`"12a",`
371			`8, 0, 1, ' ', AlignRight,`
372			`"a\tè\tc\t\n" +`
373			`"aa\tèèè\tcccc\tddddd\t\n" +`
374			`"aaa\tèèèè\t\n",`
375
376			`" a è c\n" +`
377			`" aa èèè cccc ddddd\n" +`
378			`" aaa èèèè\n",`
379			`},`
380
381			`{`
382			`"12b",`
383			`2, 0, 0, ' ', 0,`
384			`"a\tb\tc\n" +`
385			`"aa\tbbb\tcccc\n" +`
386			`"aaa\tbbbb\n",`
387
388			`"a b c\n" +`
389			`"aa bbbcccc\n" +`
390			`"aaabbbb\n",`
391			`},`
392
393			`{`
394			`"12c",`
395			`8, 0, 1, '_', 0,`
396			`"a\tb\tc\n" +`
397			`"aa\tbbb\tcccc\n" +`
398			`"aaa\tbbbb\n",`
399
400			`"a_______b_______c\n" +`
401			`"aa______bbb_____cccc\n" +`
402			`"aaa_____bbbb\n",`
403			`},`
404
405			`{`
406			`"13a",`
407			`4, 0, 1, '-', 0,`
408			`"4444\t日本語\t22\t1\t333\n" +`
409			`"999999999\t22\n" +`
410			`"7\t22\n" +`
411			`"\t\t\t88888888\n" +`
412			`"\n" +`
413			`"666666\t666666\t666666\t4444\n" +`
414			`"1\t1\t999999999\t0000000000\n",`
415
416			`"4444------日本語-22--1---333\n" +`
417			`"999999999-22\n" +`
418			`"7---------22\n" +`
419			`"------------------88888888\n" +`
420			`"\n" +`
421			`"666666-666666-666666----4444\n" +`
422			`"1------1------999999999-0000000000\n",`
423			`},`
424
425			`{`
426			`"13b",`
427			`4, 0, 3, '.', 0,`
428			`"4444\t333\t22\t1\t333\n" +`
429			`"999999999\t22\n" +`
430			`"7\t22\n" +`
431			`"\t\t\t88888888\n" +`
432			`"\n" +`
433			`"666666\t666666\t666666\t4444\n" +`
434			`"1\t1\t999999999\t0000000000\n",`
435
436			`"4444........333...22...1...333\n" +`
437			`"999999999...22\n" +`
438			`"7...........22\n" +`
439			`"....................88888888\n" +`
440			`"\n" +`
441			`"666666...666666...666666......4444\n" +`
442			`"1........1........999999999...0000000000\n",`
443			`},`
444
445			`{`
446			`"13c",`
447			`8, 8, 1, '\t', FilterHTML,`
448			`"4444\t333\t22\t1\t333\n" +`
449			`"999999999\t22\n" +`
450			`"7\t22\n" +`
451			`"\t\t\t88888888\n" +`
452			`"\n" +`
453			`"666666\t666666\t666666\t4444\n" +`
454			`"1\t1\t999999999\t0000000000\n",`
455
456			`"4444\t\t333\t22\t1\t333\n" +`
457			`"999999999\t22\n" +`
458			`"7\t\t22\n" +`
459			`"\t\t\t\t88888888\n" +`
460			`"\n" +`
461			`"666666\t666666\t666666\t\t4444\n" +`
462			`"1\t1\t999999999\t0000000000\n",`
463			`},`
464
465			`{`
466			`"14",`
467			`1, 0, 2, ' ', AlignRight,`
468			`".0\t.3\t2.4\t-5.1\t\n" +`
469			`"23.0\t12345678.9\t2.4\t-989.4\t\n" +`
470			`"5.1\t12.0\t2.4\t-7.0\t\n" +`
471			`".0\t0.0\t332.0\t8908.0\t\n" +`
472			`".0\t-.3\t456.4\t22.1\t\n" +`
473			`".0\t1.2\t44.4\t-13.3\t\t",`
474
475			`" .0 .3 2.4 -5.1\n" +`
476			`" 23.0 12345678.9 2.4 -989.4\n" +`
477			`" 5.1 12.0 2.4 -7.0\n" +`
478			`" .0 0.0 332.0 8908.0\n" +`
479			`" .0 -.3 456.4 22.1\n" +`
480			`" .0 1.2 44.4 -13.3",`
481			`},`
482
483			`{`
484			`"14 debug",`
485			`1, 0, 2, ' ', AlignRight \| Debug,`
486			`".0\t.3\t2.4\t-5.1\t\n" +`
487			`"23.0\t12345678.9\t2.4\t-989.4\t\n" +`
488			`"5.1\t12.0\t2.4\t-7.0\t\n" +`
489			`".0\t0.0\t332.0\t8908.0\t\n" +`
490			`".0\t-.3\t456.4\t22.1\t\n" +`
491			`".0\t1.2\t44.4\t-13.3\t\t",`
492
493			`" .0\| .3\| 2.4\| -5.1\|\n" +`
494			`" 23.0\| 12345678.9\| 2.4\| -989.4\|\n" +`
495			`" 5.1\| 12.0\| 2.4\| -7.0\|\n" +`
496			`" .0\| 0.0\| 332.0\| 8908.0\|\n" +`
497			`" .0\| -.3\| 456.4\| 22.1\|\n" +`
498			`" .0\| 1.2\| 44.4\| -13.3\|",`
499			`},`
500
501			`{`
502			`"15a",`
503			`4, 0, 0, '.', 0,`
504			`"a\t\tb",`
505			`"a.......b",`
506			`},`
507
508			`{`
509			`"15b",`
510			`4, 0, 0, '.', DiscardEmptyColumns,`
511			`"a\t\tb", // htabs - do not discard column`
512			`"a.......b",`
513			`},`
514
515			`{`
516			`"15c",`
517			`4, 0, 0, '.', DiscardEmptyColumns,`
518			`"a\v\vb",`
519			`"a...b",`
520			`},`
521
522			`{`
523			`"15d",`
524			`4, 0, 0, '.', AlignRight \| DiscardEmptyColumns,`
525			`"a\v\vb",`
526			`"...ab",`
527			`},`
528
529			`{`
530			`"16a",`
531			`100, 100, 0, '\t', 0,`
532			`"a\tb\t\td\n" +`
533			`"a\tb\t\td\te\n" +`
534			`"a\n" +`
535			`"a\tb\tc\td\n" +`
536			`"a\tb\tc\td\te\n",`
537
538			`"a\tb\t\td\n" +`
539			`"a\tb\t\td\te\n" +`
540			`"a\n" +`
541			`"a\tb\tc\td\n" +`
542			`"a\tb\tc\td\te\n",`
543			`},`
544
545			`{`
546			`"16b",`
547			`100, 100, 0, '\t', DiscardEmptyColumns,`
548			`"a\vb\v\vd\n" +`
549			`"a\vb\v\vd\ve\n" +`
550			`"a\n" +`
551			`"a\vb\vc\vd\n" +`
552			`"a\vb\vc\vd\ve\n",`
553
554			`"a\tb\td\n" +`
555			`"a\tb\td\te\n" +`
556			`"a\n" +`
557			`"a\tb\tc\td\n" +`
558			`"a\tb\tc\td\te\n",`
559			`},`
560
561			`{`
562			`"16b debug",`
563			`100, 100, 0, '\t', DiscardEmptyColumns \| Debug,`
564			`"a\vb\v\vd\n" +`
565			`"a\vb\v\vd\ve\n" +`
566			`"a\n" +`
567			`"a\vb\vc\vd\n" +`
568			`"a\vb\vc\vd\ve\n",`
569
570			`"a\t\|b\t\|\|d\n" +`
571			`"a\t\|b\t\|\|d\t\|e\n" +`
572			`"a\n" +`
573			`"a\t\|b\t\|c\t\|d\n" +`
574			`"a\t\|b\t\|c\t\|d\t\|e\n",`
575			`},`
576
577			`{`
578			`"16c",`
579			`100, 100, 0, '\t', DiscardEmptyColumns,`
580			`"a\tb\t\td\n" + // hard tabs - do not discard column`
581			`"a\tb\t\td\te\n" +`
582			`"a\n" +`
583			`"a\tb\tc\td\n" +`
584			`"a\tb\tc\td\te\n",`
585
586			`"a\tb\t\td\n" +`
587			`"a\tb\t\td\te\n" +`
588			`"a\n" +`
589			`"a\tb\tc\td\n" +`
590			`"a\tb\tc\td\te\n",`
591			`},`
592
593			`{`
594			`"16c debug",`
595			`100, 100, 0, '\t', DiscardEmptyColumns \| Debug,`
596			`"a\tb\t\td\n" + // hard tabs - do not discard column`
597			`"a\tb\t\td\te\n" +`
598			`"a\n" +`
599			`"a\tb\tc\td\n" +`
600			`"a\tb\tc\td\te\n",`
601
602			`"a\t\|b\t\|\t\|d\n" +`
603			`"a\t\|b\t\|\t\|d\t\|e\n" +`
604			`"a\n" +`
605			`"a\t\|b\t\|c\t\|d\n" +`
606			`"a\t\|b\t\|c\t\|d\t\|e\n",`
607			`},`
608			`}`
609
610			`func Test(t *testing.T) {`
611			`for _, e := range tests {`
612			`check(t, e.testname, e.minwidth, e.tabwidth, e.padding, e.padchar, e.flags, e.src, e.expected)`
613			`}`
614			`}`

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