tests: Rename 100_undo_level to 100_lispwords.

test/functional/legacy/100_lispwords_spec.lua

@@ -0,0 +1,47 @@
+-- Tests for 'lispwords' setting being global-local
+
+local helpers = require('test.functional.helpers')
+local source = helpers.source
+local clear, expect = helpers.clear, helpers.expect
+
+describe('undolevel', function()
+  setup(clear)
+
+  it('is working', function()
+    source([[
+      setglobal lispwords=foo,bar,baz
+      setlocal lispwords-=foo 
+      setlocal lispwords+=quux
+      redir @A
+        echo "Testing 'lispwords' local value" 
+        setglobal lispwords? 
+        setlocal lispwords? 
+        echo &lispwords 
+        echo ''
+      redir end
+      setlocal lispwords<
+      redir @A
+        echo "Testing 'lispwords' value reset" 
+        setglobal lispwords? 
+        setlocal lispwords? 
+        echo &lispwords
+      redir end
+
+      0put a
+      $d
+    ]])
+
+    -- Assert buffer contents.
+    expect([[
+      
+      Testing 'lispwords' local value
+        lispwords=foo,bar,baz
+        lispwords=bar,baz,quux
+      bar,baz,quux
+      
+      Testing 'lispwords' value reset
+        lispwords=foo,bar,baz
+        lispwords=foo,bar,baz
+      foo,bar,baz]])
+  end)
+end)