patch 8.2.3227: 'virtualedit' can only be set globally
Problem: 'virtualedit' can only be set globally.
Solution: Make 'virtualedit' global-local. (Gary Johnson, closes #8638)
diff --git a/src/testdir/test_virtualedit.vim b/src/testdir/test_virtualedit.vim
index 7f6e08c..f3cc260 100644
--- a/src/testdir/test_virtualedit.vim
+++ b/src/testdir/test_virtualedit.vim
@@ -402,4 +402,124 @@
bw!
endfunc
+" After calling s:TryVirtualeditReplace(), line 1 will contain one of these
+" two strings, depending on whether virtual editing is on or off.
+let s:result_ve_on = 'a x'
+let s:result_ve_off = 'x'
+
+" Utility function for Test_global_local()
+func s:TryVirtualeditReplace()
+ call setline(1, 'a')
+ normal gg7l
+ normal rx
+endfunc
+
+" Test for :set and :setlocal
+func Test_global_local()
+ new
+
+ " Verify that 'virtualedit' is initialized to empty, can be set globally to
+ " all and to empty, and can be set locally to all and to empty.
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+ set ve=all
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ set ve=
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+ setlocal ve=all
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ setlocal ve=
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+
+ " Verify that :set affects multiple buffers
+ new
+ set ve=all
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ wincmd p
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ set ve=
+ wincmd p
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+ bwipe!
+
+ " Verify that :setlocal affects only the current buffer
+ setlocal ve=all
+ new
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+ setlocal ve=all
+ wincmd p
+ setlocal ve=
+ wincmd p
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ bwipe!
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+
+ " Verify that the buffer 'virtualedit' state follows the global value only
+ " when empty and that "none" works as expected.
+ "
+ " 'virtualedit' State
+ " +--------+--------------------------+
+ " | Local | Global |
+ " | | |
+ " +--------+--------+--------+--------+
+ " | | "" | "all" | "none" |
+ " +--------+--------+--------+--------+
+ " | "" | off | on | off |
+ " | "all" | on | on | on |
+ " | "none" | off | off | off |
+ " +--------+--------+--------+--------+
+ new
+
+ setglobal ve=
+ setlocal ve=
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+ setlocal ve=all
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ setlocal ve=none
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+
+ setglobal ve=all
+ setlocal ve=
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ setlocal ve=all
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ setlocal ve=none
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+ setlocal ve=NONE
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+
+ setglobal ve=none
+ setlocal ve=
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+ setlocal ve=all
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_on, getline(1))
+ setlocal ve=none
+ call s:TryVirtualeditReplace()
+ call assert_equal(s:result_ve_off, getline(1))
+
+ bwipe!
+
+ setlocal virtualedit&
+ set virtualedit&
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab