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-- Tests for backtrace debug commands.
local n = require('test.functional.testnvim')()
local command = n.command
local feed, clear = n.feed, n.clear
local feed_command, expect = n.feed_command, n.expect
describe('108', function()
before_each(clear)
it('is working', function()
command('set shortmess-=F')
feed_command('lang mess C')
feed_command('function! Foo()')
feed_command(' let var1 = 1')
feed_command(' let var2 = Bar(var1) + 9')
feed_command(' return var2')
feed_command('endfunction')
feed_command('function! Bar(var)')
feed_command(' let var1 = 2 + a:var')
feed_command(' let var2 = Bazz(var1) + 4')
feed_command(' return var2')
feed_command('endfunction')
feed_command('function! Bazz(var)')
feed_command(' let var1 = 3 + a:var')
feed_command(' let var3 = "another var"')
feed_command(' return var1')
feed_command('endfunction')
feed_command('new')
feed_command('debuggreedy')
feed_command('redir => out')
feed_command('debug echo Foo()')
feed('step<cr>')
feed('step<cr>')
feed('step<cr>')
feed('step<cr>')
feed('step<cr>')
feed('step<cr>')
feed([[echo "- show backtrace:\n"<cr>]])
feed('backtrace<cr>')
feed([[echo "\nshow variables on different levels:\n"<cr>]])
feed('echo var1<cr>')
feed('up<cr>')
feed('back<cr>')
feed('echo var1<cr>')
feed('u<cr>')
feed('bt<cr>')
feed('echo var1<cr>')
feed([[echo "\n- undefined vars:\n"<cr>]])
feed('step<cr>')
feed('frame 2<cr>')
feed('echo "undefined var3 on former level:"<cr>')
feed('echo var3<cr>')
feed('fr 0<cr>')
feed([[echo "here var3 is defined with \"another var\":"<cr>]])
feed('echo var3<cr>')
feed('step<cr>')
feed('step<cr>')
feed('step<cr>')
feed('up<cr>')
feed([[echo "\nundefined var2 on former level"<cr>]])
feed('echo var2<cr>')
feed('down<cr>')
feed('echo "here var2 is defined with 10:"<cr>')
feed('echo var2<cr>')
feed([[echo "\n- backtrace movements:\n"<cr>]])
feed('b<cr>')
feed([[echo "\nnext command cannot go down, we are on bottom\n"<cr>]])
feed('down<cr>')
feed('up<cr>')
feed([[echo "\nnext command cannot go up, we are on top\n"<cr>]])
feed('up<cr>')
feed('b<cr>')
feed('echo "fil is not frame or finish, it is file"<cr>')
feed('fil<cr>')
feed([[echo "\n- relative backtrace movement\n"<cr>]])
feed('fr -1<cr>')
feed('frame<cr>')
feed('fra +1<cr>')
feed('fram<cr>')
feed([[echo "\n- go beyond limits does not crash\n"<cr>]])
feed('fr 100<cr>')
feed('fra<cr>')
feed('frame -40<cr>')
feed('fram<cr>')
feed([[echo "\n- final result 19:"<cr>]])
feed('cont<cr>')
feed_command('0debuggreedy')
feed_command('redir END')
feed_command('$put =out')
-- Assert buffer contents.
expect([=[
- show backtrace:
2 function Foo[2]
1 Bar[2]
->0 Bazz
line 2: let var3 = "another var"
show variables on different levels:
6
2 function Foo[2]
->1 Bar[2]
0 Bazz
line 2: let var3 = "another var"
3
->2 function Foo[2]
1 Bar[2]
0 Bazz
line 2: let var3 = "another var"
1
- undefined vars:
undefined var3 on former level:
Error detected while processing function Foo[2]..Bar[2]..Bazz:
line 3:
E121: Undefined variable: var3
here var3 is defined with "another var":
another var
undefined var2 on former level
Error detected while processing function Foo[2]..Bar:
line 3:
E121: Undefined variable: var2
here var2 is defined with 10:
10
- backtrace movements:
1 function Foo[2]
->0 Bar
line 3: End of function
next command cannot go down, we are on bottom
frame is zero
next command cannot go up, we are on top
frame at highest level: 1
->1 function Foo[2]
0 Bar
line 3: End of function
fil is not frame or finish, it is file
"[No Name]" --No lines in buffer--
- relative backtrace movement
1 function Foo[2]
->0 Bar
line 3: End of function
->1 function Foo[2]
0 Bar
line 3: End of function
- go beyond limits does not crash
frame at highest level: 1
->1 function Foo[2]
0 Bar
line 3: End of function
frame is zero
1 function Foo[2]
->0 Bar
line 3: End of function
- final result 19:
19
]=])
end)
end)
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