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authorerw7 <erw7.github@gmail.com>2019-05-29 12:06:39 +0900
committererw7 <erw7.github@gmail.com>2019-05-29 12:54:42 +0900
commitbfc44a91acdfb968cb3d0d21effc4ea9cbcd09e1 (patch)
treedb93be271b130d3e328373ee9b895d2b711ea8ff /src/nvim/testdir
parentd46aaa074640ef92382e5800297b7c76ed7574da (diff)
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vim-patch:8.1.1114: confusing overloaded operator "." for string concatenation
Problem: Confusing overloaded operator "." for string concatenation. Solution: Add ".." for string concatenation. Also "let a ..= b". https://github.com/vim/vim/commit/0f248b006c2574abc00c9aa7886d8f33620eb822
Diffstat (limited to 'src/nvim/testdir')
-rw-r--r--src/nvim/testdir/test_eval_stuff.vim29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_eval_stuff.vim b/src/nvim/testdir/test_eval_stuff.vim
index 1850fb0cf1..19a15590e5 100644
--- a/src/nvim/testdir/test_eval_stuff.vim
+++ b/src/nvim/testdir/test_eval_stuff.vim
@@ -49,3 +49,32 @@ func Test_line_continuation()
"\ and some more
call assert_equal([5, 6], array)
endfunc
+
+func Test_string_concatenation()
+ call assert_equal('ab', 'a'.'b')
+ call assert_equal('ab', 'a' .'b')
+ call assert_equal('ab', 'a'. 'b')
+ call assert_equal('ab', 'a' . 'b')
+
+ call assert_equal('ab', 'a'..'b')
+ call assert_equal('ab', 'a' ..'b')
+ call assert_equal('ab', 'a'.. 'b')
+ call assert_equal('ab', 'a' .. 'b')
+
+ let a = 'a'
+ let b = 'b'
+ let a .= b
+ call assert_equal('ab', a)
+
+ let a = 'a'
+ let a.=b
+ call assert_equal('ab', a)
+
+ let a = 'a'
+ let a ..= b
+ call assert_equal('ab', a)
+
+ let a = 'a'
+ let a..=b
+ call assert_equal('ab', a)
+endfunc