patch 8.1.1611: bufadd() reuses existing buffer without a name
Problem: Bufadd() reuses existing buffer without a name.
Solution: When the name is empty always create a new buffer.
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index 34a4bbf..a08cef7 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -1539,6 +1539,20 @@
call assert_equal(['some', 'text'], getbufline(buf, 1, '$'))
call assert_equal(curbuf, bufnr(''))
+ let buf1 = bufadd('')
+ let buf2 = bufadd('')
+ call assert_notequal(0, buf1)
+ call assert_notequal(0, buf2)
+ call assert_notequal(buf1, buf2)
+ call assert_equal(1, bufexists(buf1))
+ call assert_equal(1, bufexists(buf2))
+ call assert_equal(0, bufloaded(buf1))
+ exe 'bwipe ' .. buf1
+ call assert_equal(0, bufexists(buf1))
+ call assert_equal(1, bufexists(buf2))
+ exe 'bwipe ' .. buf2
+ call assert_equal(0, bufexists(buf2))
+
bwipe someName
bwipe otherName
call assert_equal(0, bufexists('someName'))