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
|
" Tests for the Vim script debug commands
source shared.vim
source screendump.vim
source check.vim
" Run a Vim debugger command
" If the expected output argument is supplied, then check for it.
func RunDbgCmd(buf, cmd, ...)
call term_sendkeys(a:buf, a:cmd . "\r")
call term_wait(a:buf)
if a:0 != 0
" Verify the expected output
let lnum = 20 - len(a:1)
for l in a:1
call WaitForAssert({-> assert_equal(l, term_getline(a:buf, lnum))})
let lnum += 1
endfor
endif
endfunc
" Debugger tests
func Test_Debugger()
CheckRunVimInTerminal
" Create a Vim script with some functions
let lines =<< trim END
func Foo()
let var1 = 1
let var2 = Bar(var1) + 9
return var2
endfunc
func Bar(var)
let var1 = 2 + a:var
let var2 = Bazz(var1) + 4
return var2
endfunc
func Bazz(var)
try
let var1 = 3 + a:var
let var3 = "another var"
let var3 = "value2"
catch
let var4 = "exception"
endtry
return var1
endfunc
END
call writefile(lines, 'Xtest.vim')
" Start Vim in a terminal
let buf = RunVimInTerminal('-S Xtest.vim', {})
" Start the Vim debugger
call RunDbgCmd(buf, ':debug echo Foo()', ['cmd: echo Foo()'])
" Create a few stack frames by stepping through functions
call RunDbgCmd(buf, 'step', ['line 1: let var1 = 1'])
call RunDbgCmd(buf, 'step', ['line 2: let var2 = Bar(var1) + 9'])
call RunDbgCmd(buf, 'step', ['line 1: let var1 = 2 + a:var'])
call RunDbgCmd(buf, 'step', ['line 2: let var2 = Bazz(var1) + 4'])
call RunDbgCmd(buf, 'step', ['line 1: try'])
call RunDbgCmd(buf, 'step', ['line 2: let var1 = 3 + a:var'])
call RunDbgCmd(buf, 'step', ['line 3: let var3 = "another var"'])
" check backtrace
call RunDbgCmd(buf, 'backtrace', [
\ ' 2 function Foo[2]',
\ ' 1 Bar[2]',
\ '->0 Bazz',
\ 'line 3: let var3 = "another var"'])
" Check variables in different stack frames
call RunDbgCmd(buf, 'echo var1', ['6'])
call RunDbgCmd(buf, 'up')
call RunDbgCmd(buf, 'back', [
\ ' 2 function Foo[2]',
\ '->1 Bar[2]',
\ ' 0 Bazz',
\ 'line 3: let var3 = "another var"'])
call RunDbgCmd(buf, 'echo var1', ['3'])
call RunDbgCmd(buf, 'u')
call RunDbgCmd(buf, 'bt', [
\ '->2 function Foo[2]',
\ ' 1 Bar[2]',
\ ' 0 Bazz',
\ 'line 3: let var3 = "another var"'])
call RunDbgCmd(buf, 'echo var1', ['1'])
" Undefined variables
call RunDbgCmd(buf, 'step')
call RunDbgCmd(buf, 'frame 2')
call RunDbgCmd(buf, 'echo var3', [
\ 'Error detected while processing function Foo[2]..Bar[2]..Bazz:',
\ 'line 4:',
\ 'E121: Undefined variable: var3'])
" var3 is defined in this level with some other value
call RunDbgCmd(buf, 'fr 0')
call RunDbgCmd(buf, 'echo var3', ['another var'])
call RunDbgCmd(buf, 'step')
call RunDbgCmd(buf, '')
call RunDbgCmd(buf, '')
call RunDbgCmd(buf, '')
call RunDbgCmd(buf, '')
call RunDbgCmd(buf, 'step', [
\ 'function Foo[2]..Bar',
\ 'line 3: End of function'])
call RunDbgCmd(buf, 'up')
" Undefined var2
call RunDbgCmd(buf, 'echo var2', [
\ 'Error detected while processing function Foo[2]..Bar:',
\ 'line 3:',
\ 'E121: Undefined variable: var2'])
" Var2 is defined with 10
call RunDbgCmd(buf, 'down')
call RunDbgCmd(buf, 'echo var2', ['10'])
" Backtrace movements
call RunDbgCmd(buf, 'b', [
\ ' 1 function Foo[2]',
\ '->0 Bar',
\ 'line 3: End of function'])
" next command cannot go down, we are on bottom
call RunDbgCmd(buf, 'down', ['frame is zero'])
call RunDbgCmd(buf, 'up')
" next command cannot go up, we are on top
call RunDbgCmd(buf, 'up', ['frame at highest level: 1'])
call RunDbgCmd(buf, 'where', [
\ '->1 function Foo[2]',
\ ' 0 Bar',
\ 'line 3: End of function'])
" fil is not frame or finish, it is file
call RunDbgCmd(buf, 'fil', ['"[No Name]" --No lines in buffer--'])
" relative backtrace movement
call RunDbgCmd(buf, 'fr -1')
call RunDbgCmd(buf, 'frame', [
\ ' 1 function Foo[2]',
\ '->0 Bar',
\ 'line 3: End of function'])
call RunDbgCmd(buf, 'fr +1')
call RunDbgCmd(buf, 'fram', [
\ '->1 function Foo[2]',
\ ' 0 Bar',
\ 'line 3: End of function'])
" go beyond limits does not crash
call RunDbgCmd(buf, 'fr 100', ['frame at highest level: 1'])
call RunDbgCmd(buf, 'fra', [
\ '->1 function Foo[2]',
\ ' 0 Bar',
\ 'line 3: End of function'])
call RunDbgCmd(buf, 'frame -40', ['frame is zero'])
call RunDbgCmd(buf, 'fram', [
\ ' 1 function Foo[2]',
\ '->0 Bar',
\ 'line 3: End of function'])
" final result 19
call RunDbgCmd(buf, 'cont', ['19'])
" breakpoints tests
" Start a debug session, so that reading the last line from the terminal
" works properly.
call RunDbgCmd(buf, ':debug echo Foo()')
" No breakpoints
call RunDbgCmd(buf, 'breakl', ['No breakpoints defined'])
" Place some breakpoints
call RunDbgCmd(buf, 'breaka func Bar')
call RunDbgCmd(buf, 'breaklis', [' 1 func Bar line 1'])
call RunDbgCmd(buf, 'breakadd func 3 Bazz')
call RunDbgCmd(buf, 'breaklist', [' 1 func Bar line 1',
\ ' 2 func Bazz line 3'])
" Check whether the breakpoints are hit
call RunDbgCmd(buf, 'cont', [
\ 'Breakpoint in "Bar" line 1',
\ 'function Foo[2]..Bar',
\ 'line 1: let var1 = 2 + a:var'])
call RunDbgCmd(buf, 'cont', [
\ 'Breakpoint in "Bazz" line 3',
\ 'function Foo[2]..Bar[2]..Bazz',
\ 'line 3: let var3 = "another var"'])
" Delete the breakpoints
call RunDbgCmd(buf, 'breakd 1')
call RunDbgCmd(buf, 'breakli', [' 2 func Bazz line 3'])
call RunDbgCmd(buf, 'breakdel func 3 Bazz')
call RunDbgCmd(buf, 'breakl', ['No breakpoints defined'])
call RunDbgCmd(buf, 'cont')
" Make sure the breakpoints are removed
call RunDbgCmd(buf, ':echo Foo()', ['19'])
" Delete a non-existing breakpoint
call RunDbgCmd(buf, ':breakdel 2', ['E161: Breakpoint not found: 2'])
" Expression breakpoint
call RunDbgCmd(buf, ':breakadd func 2 Bazz')
call RunDbgCmd(buf, ':echo Bazz(1)', [
\ 'Entering Debug mode. Type "cont" to continue.',
\ 'function Bazz',
\ 'line 2: let var1 = 3 + a:var'])
call RunDbgCmd(buf, 'step')
call RunDbgCmd(buf, 'step')
call RunDbgCmd(buf, 'breaka expr var3')
call RunDbgCmd(buf, 'breakl', [' 3 func Bazz line 2',
\ ' 4 expr var3'])
call RunDbgCmd(buf, 'cont', ['Breakpoint in "Bazz" line 5',
\ 'Oldval = "''another var''"',
\ 'Newval = "''value2''"',
\ 'function Bazz',
\ 'line 5: catch'])
call RunDbgCmd(buf, 'breakdel *')
call RunDbgCmd(buf, 'breakl', ['No breakpoints defined'])
" Check for error cases
call RunDbgCmd(buf, 'breakadd abcd', [
\ 'Error detected while processing function Bazz:',
\ 'line 5:',
\ 'E475: Invalid argument: abcd'])
call RunDbgCmd(buf, 'breakadd func', ['E475: Invalid argument: func'])
call RunDbgCmd(buf, 'breakadd func 2', ['E475: Invalid argument: func 2'])
call RunDbgCmd(buf, 'breaka func a()', ['E475: Invalid argument: func a()'])
call RunDbgCmd(buf, 'breakd abcd', ['E475: Invalid argument: abcd'])
call RunDbgCmd(buf, 'breakd func', ['E475: Invalid argument: func'])
call RunDbgCmd(buf, 'breakd func a()', ['E475: Invalid argument: func a()'])
call RunDbgCmd(buf, 'breakd func a', ['E161: Breakpoint not found: func a'])
call RunDbgCmd(buf, 'breakd expr', ['E475: Invalid argument: expr'])
call RunDbgCmd(buf, 'breakd expr x', [
\ 'E121: Undefined variable: x',
\ 'E161: Breakpoint not found: expr x'])
" finish the current function
call RunDbgCmd(buf, 'finish', [
\ 'function Bazz',
\ 'line 8: End of function'])
call RunDbgCmd(buf, 'cont')
" Test for :next
call RunDbgCmd(buf, ':debug echo Bar(1)')
call RunDbgCmd(buf, 'step')
call RunDbgCmd(buf, 'next')
call RunDbgCmd(buf, '', [
\ 'function Bar',
\ 'line 3: return var2'])
call RunDbgCmd(buf, 'c')
" Test for :interrupt
call RunDbgCmd(buf, ':debug echo Bazz(1)')
call RunDbgCmd(buf, 'step')
call RunDbgCmd(buf, 'step')
call RunDbgCmd(buf, 'interrupt', [
\ 'Exception thrown: Vim:Interrupt',
\ 'function Bazz',
\ 'line 5: catch'])
call RunDbgCmd(buf, 'c')
" Test for :quit
call RunDbgCmd(buf, ':debug echo Foo()')
call RunDbgCmd(buf, 'breakdel *')
call RunDbgCmd(buf, 'breakadd func 3 Foo')
call RunDbgCmd(buf, 'breakadd func 3 Bazz')
call RunDbgCmd(buf, 'cont', [
\ 'Breakpoint in "Bazz" line 3',
\ 'function Foo[2]..Bar[2]..Bazz',
\ 'line 3: let var3 = "another var"'])
call RunDbgCmd(buf, 'quit', [
\ 'Breakpoint in "Foo" line 3',
\ 'function Foo',
\ 'line 3: return var2'])
call RunDbgCmd(buf, 'breakdel *')
call RunDbgCmd(buf, 'quit')
call RunDbgCmd(buf, 'enew! | only!')
call StopVimInTerminal(buf)
" Tests for :breakadd file and :breakadd here
" Breakpoints should be set before sourcing the file
let lines =<< trim END
let var1 = 10
let var2 = 20
let var3 = 30
let var4 = 40
END
call writefile(lines, 'Xtest.vim')
" Start Vim in a terminal
let buf = RunVimInTerminal('Xtest.vim', {})
call RunDbgCmd(buf, ':breakadd file 2 Xtest.vim')
call RunDbgCmd(buf, ':4 | breakadd here')
call RunDbgCmd(buf, ':source Xtest.vim', ['line 2: let var2 = 20'])
call RunDbgCmd(buf, 'cont', ['line 4: let var4 = 40'])
call RunDbgCmd(buf, 'cont')
call StopVimInTerminal(buf)
call delete('Xtest.vim')
endfunc
|