patch 9.0.0169: insufficient testing for line2byte() with text properties
Problem: Insufficient testing for line2byte() with text properties.
Solution: Add tests with a lot of text.
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index 5ff87b4..9fae807 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -904,6 +904,30 @@
call prop_type_delete('comment')
endfunc
+func Run_test_with_line2byte(add_props)
+ new
+ setlocal ff=unix
+ if a:add_props
+ call prop_type_add('textprop', #{highlight: 'Search'})
+ endif
+ for nr in range(1, 1000)
+ call setline(nr, 'some longer text here')
+ if a:add_props && nr % 17 == 0
+ call prop_add(nr, 13, #{type: 'textprop', length: 4})
+ endif
+ endfor
+ call assert_equal(21935, line2byte(998))
+ for nr in range(1, 1000, 7)
+ exe nr .. "s/longer/much more/"
+ endfor
+ call assert_equal(22364, line2byte(998))
+
+ if a:add_props
+ call prop_type_delete('textprop')
+ endif
+ bwipe!
+endfunc
+
func Test_prop_line2byte()
call prop_type_add('comment', {'highlight': 'Directory'})
new
@@ -935,6 +959,11 @@
call assert_equal(1489, line2byte(400))
bwipe!
+ " Add many lines so that the data block is split.
+ " With and without props should give the same result.
+ call Run_test_with_line2byte(0)
+ call Run_test_with_line2byte(1)
+
call prop_type_delete('comment')
endfunc