patch 9.1.0012: regression with empty inner blocks introduced

Problem:  regression with empty inner blocks introduced
          (after v9.1.0007)
Solution: Set correct cursor position, Check for visual mode
          being active (Maxim Kim)

relates: #13514
closes: #13819

Signed-off-by: Maxim Kim <habamax@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_textobjects.vim b/src/testdir/test_textobjects.vim
index 89e741c..d5e772d 100644
--- a/src/testdir/test_textobjects.vim
+++ b/src/testdir/test_textobjects.vim
@@ -643,7 +643,7 @@
 
 func Test_inner_block_empty_paren()
   new
-  call setline(1, ["(text)()", "", "(text)(", ")", "", "()()"])
+  call setline(1, ["(text)()", "", "(text)(", ")", "", "()()", "", "text()"])
 
   " Example 1
   call cursor(1, 1)
@@ -665,12 +665,18 @@
   call assert_beeps('call feedkeys("0f(viby", "xt")')
   call assert_equal(3, getpos('.')[2])
   call assert_equal('(', @")
+
+  " Change empty inner block
+  call cursor(8, 1)
+  call feedkeys("0cibtext", "xt")
+  call assert_equal("text(text)", getline('.'))
+
   bwipe!
 endfunc
 
 func Test_inner_block_empty_bracket()
   new
-  call setline(1, ["[text][]", "", "[text][", "]", "", "[][]"])
+  call setline(1, ["[text][]", "", "[text][", "]", "", "[][]", "", "text[]"])
 
   " Example 1
   call cursor(1, 1)
@@ -692,12 +698,18 @@
   call assert_beeps('call feedkeys("0f[viby", "xt")')
   call assert_equal(3, getpos('.')[2])
   call assert_equal('[', @")
+
+  " Change empty inner block
+  call cursor(8, 1)
+  call feedkeys("0ci[text", "xt")
+  call assert_equal("text[text]", getline('.'))
+
   bwipe!
 endfunc
 
 func Test_inner_block_empty_brace()
   new
-  call setline(1, ["{text}{}", "", "{text}{", "}", "", "{}{}"])
+  call setline(1, ["{text}{}", "", "{text}{", "}", "", "{}{}", "", "text{}"])
 
   " Example 1
   call cursor(1, 1)
@@ -719,6 +731,12 @@
   call assert_beeps('call feedkeys("0f{viby", "xt")')
   call assert_equal(3, getpos('.')[2])
   call assert_equal('{', @")
+
+  " Change empty inner block
+  call cursor(8, 1)
+  call feedkeys("0ciBtext", "xt")
+  call assert_equal("text{text}", getline('.'))
+
   bwipe!
 endfunc