patch 7.4.2049
Problem: There is no way to get a list of the error lists.
Solution: Add ":chistory" and ":lhistory".
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index 39f788e..9fbef15 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -1438,3 +1438,27 @@
call XbottomTests('c')
call XbottomTests('l')
endfunction
+
+function HistoryTest(cchar)
+ call s:setup_commands(a:cchar)
+
+ call assert_fails(a:cchar . 'older 99', 'E380:')
+ " clear all lists after the first one, then replace the first one.
+ call g:Xsetlist([])
+ Xolder
+ let entry = {'filename': 'foo', 'lnum': 42}
+ call g:Xsetlist([entry], 'r')
+ call g:Xsetlist([entry, entry])
+ call g:Xsetlist([entry, entry, entry])
+ let res = split(execute(a:cchar . 'hist'), "\n")
+ call assert_equal(3, len(res))
+ let common = 'errors :set' . (a:cchar == 'c' ? 'qf' : 'loc') . 'list()'
+ call assert_equal(' error list 1 of 3; 1 ' . common, res[0])
+ call assert_equal(' error list 2 of 3; 2 ' . common, res[1])
+ call assert_equal('> error list 3 of 3; 3 ' . common, res[2])
+endfunc
+
+func Test_history()
+ call HistoryTest('c')
+ call HistoryTest('l')
+endfunc