1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
|
local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear = helpers.clear
local exec = helpers.exec
local feed = helpers.feed
before_each(clear)
describe('smoothscroll', function()
local screen
before_each(function()
screen = Screen.new(40, 12)
screen:attach()
end)
-- oldtest: Test_CtrlE_CtrlY_stop_at_end()
it('disabled does not break <C-E> and <C-Y> stop at end', function()
exec([[
enew
call setline(1, ['one', 'two'])
set number
]])
feed('<C-Y>')
screen:expect({any = " 1 ^one"})
feed('<C-E><C-E><C-E>')
screen:expect({any = " 2 ^two"})
end)
-- oldtest: Test_smoothscroll_CtrlE_CtrlY()
it('works with <C-E> and <C-E>', function()
exec([[
call setline(1, [ 'line one', 'word '->repeat(20), 'line three', 'long word '->repeat(7), 'line', 'line', 'line', ])
set smoothscroll scrolloff=5
:5
]])
local s1 = [[
word word word word word word word word |
word word word word word word word word |
word word word word |
line three |
long word long word long word long word |
long word long word long word |
^line |
line |
line |
~ |
~ |
|
]]
local s2 = [[
<<<d word word word word word word word |
word word word word |
line three |
long word long word long word long word |
long word long word long word |
^line |
line |
line |
~ |
~ |
~ |
|
]]
local s3 = [[
<<<d word word word |
line three |
long word long word long word long word |
long word long word long word |
^line |
line |
line |
~ |
~ |
~ |
~ |
|
]]
local s4 = [[
line three |
long word long word long word long word |
long word long word long word |
line |
line |
^line |
~ |
~ |
~ |
~ |
~ |
|
]]
local s5 = [[
<<<d word word word |
line three |
long word long word long word long word |
long word long word long word |
line |
line |
^line |
~ |
~ |
~ |
~ |
|
]]
local s6 = [[
<<<d word word word word word word word |
word word word word |
line three |
long word long word long word long word |
long word long word long word |
line |
line |
^line |
~ |
~ |
~ |
|
]]
local s7 = [[
word word word word word word word word |
word word word word word word word word |
word word word word |
line three |
long word long word long word long word |
long word long word long word |
line |
line |
^line |
~ |
~ |
|
]]
local s8 = [[
line one |
word word word word word word word word |
word word word word word word word word |
word word word word |
line three |
long word long word long word long word |
long word long word long word |
line |
line |
^line |
~ |
|
]]
feed('<C-E>')
screen:expect(s1)
feed('<C-E>')
screen:expect(s2)
feed('<C-E>')
screen:expect(s3)
feed('<C-E>')
screen:expect(s4)
feed('<C-Y>')
screen:expect(s5)
feed('<C-Y>')
screen:expect(s6)
feed('<C-Y>')
screen:expect(s7)
feed('<C-Y>')
screen:expect(s8)
exec('set foldmethod=indent')
-- move the cursor so we can reuse the same dumps
feed('5G<C-E>')
screen:expect(s1)
feed('<C-E>')
screen:expect(s2)
feed('7G<C-Y>')
screen:expect(s7)
feed('<C-Y>')
screen:expect(s8)
end)
-- oldtest: Test_smoothscroll_number()
it("works 'number' and 'cpo'+=n", function()
exec([[
call setline(1, [ 'one ' .. 'word '->repeat(20), 'two ' .. 'long word '->repeat(7), 'line', 'line', 'line', ])
set smoothscroll scrolloff=5
set number cpo+=n
:3
func g:DoRel()
set number relativenumber scrolloff=0
:%del
call setline(1, [ 'one', 'very long text '->repeat(12), 'three', ])
exe "normal 2Gzt\<C-E>"
endfunc
]])
screen:expect([[
1 one word word word word word word wo|
rd word word word word word word word wo|
rd word word word word word |
2 two long word long word long word lo|
ng word long word long word long word |
3 ^line |
4 line |
5 line |
~ |
~ |
~ |
|
]])
feed('<C-E>')
screen:expect([[
<<<word word word word word word word wo|
rd word word word word word |
2 two long word long word long word lo|
ng word long word long word long word |
3 ^line |
4 line |
5 line |
~ |
~ |
~ |
~ |
|
]])
feed('<C-E>')
screen:expect([[
<<<word word word word word |
2 two long word long word long word lo|
ng word long word long word long word |
3 ^line |
4 line |
5 line |
~ |
~ |
~ |
~ |
~ |
|
]])
exec('set cpo-=n')
screen:expect([[
<<< d word word word word word word |
2 two long word long word long word lo|
ng word long word long word long wor|
d |
3 ^line |
4 line |
5 line |
~ |
~ |
~ |
~ |
|
]])
feed('<C-Y>')
screen:expect([[
<<< rd word word word word word word wor|
d word word word word word word |
2 two long word long word long word lo|
ng word long word long word long wor|
d |
3 ^line |
4 line |
5 line |
~ |
~ |
~ |
|
]])
feed('<C-Y>')
screen:expect([[
1 one word word word word word word wo|
rd word word word word word word wor|
d word word word word word word |
2 two long word long word long word lo|
ng word long word long word long wor|
d |
3 ^line |
4 line |
5 line |
~ |
~ |
|
]])
exec('call DoRel()')
screen:expect([[
2<<<ong text very long text very lon^g te|
xt very long text very long text ver|
y long text very long text very long|
text very long text very long text |
1 three |
~ |
~ |
~ |
~ |
~ |
~ |
--No lines in buffer-- |
]])
end)
-- oldtest: Test_smoothscroll_list()
it("works with list mode", function()
screen:try_resize(40, 8)
exec([[
set smoothscroll scrolloff=0
set list
call setline(1, [ 'one', 'very long text '->repeat(12), 'three', ])
exe "normal 2Gzt\<C-E>"
]])
screen:expect([[
<<<t very long text very long text very |
^long text very long text very long text |
very long text very long text very long |
text very long text- |
three |
~ |
~ |
|
]])
exec('set listchars+=precedes:#')
screen:expect([[
#ext very long text very long text very |
^long text very long text very long text |
very long text very long text very long |
text very long text- |
three |
~ |
~ |
|
]])
end)
-- oldtest: Test_smoothscroll_diff_mode()
it("works with diff mode", function()
screen:try_resize(40, 8)
exec([[
let text = 'just some text here'
call setline(1, text)
set smoothscroll
diffthis
new
call setline(1, text)
set smoothscroll
diffthis
]])
screen:expect([[
- ^just some text here |
~ |
~ |
[No Name] [+] |
- just some text here |
~ |
[No Name] [+] |
|
]])
feed('<C-Y>')
screen:expect_unchanged()
feed('<C-E>')
screen:expect_unchanged()
end)
-- oldtest: Test_smoothscroll_wrap_scrolloff_zero()
it("works with zero 'scrolloff'", function()
screen:try_resize(40, 8)
exec([[
call setline(1, ['Line' .. (' with some text'->repeat(7))]->repeat(7))
set smoothscroll scrolloff=0 display=
:3
]])
screen:expect([[
<<<h some text with some text |
Line with some text with some text with |
some text with some text with some text |
with some text with some text |
^Line with some text with some text with |
some text with some text with some text |
with some text with some text |
|
]])
feed('j')
screen:expect_unchanged()
-- moving cursor down - whole bottom line shows
feed('<C-E>j')
screen:expect_unchanged()
feed('G')
screen:expect_unchanged()
-- moving cursor up - whole top line shows
feed('2k')
screen:expect([[
^Line with some text with some text with |
some text with some text with some text |
with some text with some text |
Line with some text with some text with |
some text with some text with some text |
with some text with some text |
@ |
|
]])
end)
-- oldtest: Test_smoothscroll_wrap_long_line()
it("adjusts the cursor position in a long line", function()
screen:try_resize(40, 6)
exec([[
call setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(30))])
set smoothscroll scrolloff=0
normal 3G10|zt
]])
-- scrolling up, cursor moves screen line down
screen:expect([[
Line with^ lots of text with lots of text|
with lots of text with lots of text wit|
h lots of text with lots of text with lo|
ts of text with lots of text with lots o|
f text with lots of text with lots of te|
|
]])
feed('<C-E>')
screen:expect([[
<<<th lot^s of text with lots of text wit|
h lots of text with lots of text with lo|
ts of text with lots of text with lots o|
f text with lots of text with lots of te|
xt with lots of text with lots of text w|
|
]])
feed('5<C-E>')
screen:expect([[
<<< lots ^of text with lots of text with |
lots of text with lots of text with lots|
of text with lots of text with lots of |
text with lots of text with lots of text|
with lots of text with lots of text wit|
|
]])
-- scrolling down, cursor moves screen line up
feed('5<C-Y>')
screen:expect([[
<<<th lots of text with lots of text wit|
h lots of text with lots of text with lo|
ts of text with lots of text with lots o|
f text with lots of text with lots of te|
xt with l^ots of text with lots of text w|
|
]])
feed('<C-Y>')
screen:expect([[
Line with lots of text with lots of text|
with lots of text with lots of text wit|
h lots of text with lots of text with lo|
ts of text with lots of text with lots o|
f text wi^th lots of text with lots of te|
|
]])
-- 'scrolloff' set to 1, scrolling up, cursor moves screen line down
exec('set scrolloff=1')
feed('10|<C-E>')
screen:expect([[
<<<th lots of text with lots of text wit|
h lots of^ text with lots of text with lo|
ts of text with lots of text with lots o|
f text with lots of text with lots of te|
xt with lots of text with lots of text w|
|
]])
-- 'scrolloff' set to 1, scrolling down, cursor moves screen line up
feed('<C-E>gjgj<C-Y>')
screen:expect([[
<<<th lots of text with lots of text wit|
h lots of text with lots of text with lo|
ts of text with lots of text with lots o|
f text wi^th lots of text with lots of te|
xt with lots of text with lots of text w|
|
]])
-- 'scrolloff' set to 2, scrolling up, cursor moves screen line down
exec('set scrolloff=2')
feed('10|<C-E>')
screen:expect([[
<<<th lots of text with lots of text wit|
h lots of text with lots of text with lo|
ts of tex^t with lots of text with lots o|
f text with lots of text with lots of te|
xt with lots of text with lots of text w|
|
]])
-- 'scrolloff' set to 2, scrolling down, cursor moves screen line up
feed('<C-E>gj<C-Y>')
screen:expect_unchanged()
end)
-- oldtest: Test_smoothscroll_one_long_line()
it("scrolls correctly when moving the cursor", function()
screen:try_resize(40, 6)
exec([[
call setline(1, 'with lots of text '->repeat(7))
set smoothscroll scrolloff=0
]])
local s1 = [[
^with lots of text with lots of text with|
lots of text with lots of text with lot|
s of text with lots of text with lots of|
text |
~ |
|
]]
screen:expect(s1)
feed('<C-E>')
screen:expect([[
<<<ts of text with lots of text with lot|
^s of text with lots of text with lots of|
text |
~ |
~ |
|
]])
feed('0')
screen:expect(s1)
end)
end)
|
