patch 8.0.0031
Problem: After ":bwipeout" 'fileformat' is not set to the right default.
Solution: Get the default from 'fileformats'. (Mike Williams)
diff --git a/src/testdir/test_fileformat.vim b/src/testdir/test_fileformat.vim
new file mode 100644
index 0000000..584f20c
--- /dev/null
+++ b/src/testdir/test_fileformat.vim
@@ -0,0 +1,17 @@
+" Test behavior of fileformat after bwipeout of last buffer
+
+func Test_fileformat_after_bw()
+ bwipeout
+ set fileformat&
+ if &fileformat == 'dos'
+ let test_fileformats = 'unix'
+ elseif &fileformat == 'unix'
+ let test_fileformats = 'mac'
+ else " must be mac
+ let test_fileformats = 'dos'
+ endif
+ exec 'set fileformats='.test_fileformats
+ bwipeout!
+ call assert_equal(test_fileformats, &fileformat)
+ set fileformats&
+endfunc