diff options
Diffstat (limited to 'test/functional/ui/syntax_conceal_spec.lua')
| -rw-r--r-- | test/functional/ui/syntax_conceal_spec.lua | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/functional/ui/syntax_conceal_spec.lua b/test/functional/ui/syntax_conceal_spec.lua index 7079b43414..566d183f11 100644 --- a/test/functional/ui/syntax_conceal_spec.lua +++ b/test/functional/ui/syntax_conceal_spec.lua @@ -1,6 +1,7 @@ local helpers = require('test.functional.helpers')(after_each) local Screen = require('test.functional.ui.screen') local clear, feed, command = helpers.clear, helpers.feed, helpers.command +local eq = helpers.eq local insert = helpers.insert describe('Screen', function() @@ -870,4 +871,50 @@ describe('Screen', function() ]]} end) end) + + it('redraws not too much with conceallevel=1', function() + command('set conceallevel=1') + command('set redrawdebug+=nodelta') + + insert([[ + aaa + bbb + ccc + ]]) + screen:expect{grid=[[ + aaa | + bbb | + ccc | + ^ | + {0:~ }| + {0:~ }| + {0:~ }| + {0:~ }| + {0:~ }| + | + ]]} + + -- XXX: hack to get notifications, and check only a single line is + -- updated. Could use next_msg() also. + local orig_handle_grid_line = screen._handle_grid_line + local grid_lines = {} + function screen._handle_grid_line(self, grid, row, col, items) + table.insert(grid_lines, {row, col, items}) + orig_handle_grid_line(self, grid, row, col, items) + end + feed('k') + screen:expect{grid=[[ + aaa | + bbb | + ^ccc | + | + {0:~ }| + {0:~ }| + {0:~ }| + {0:~ }| + {0:~ }| + | + ]]} + eq(grid_lines, {{2, 0, {{'c', 0, 3}}}}) + end) end) |