test/win: executable(), exepath() #9516

test/functional/eval/exepath_spec.lua

@@ -0,0 +1,14 @@
+local helpers = require('test.functional.helpers')(after_each)
+local eq, clear, call, iswin =
+  helpers.eq, helpers.clear, helpers.call, helpers.iswin
+
+describe('exepath() (Windows)', function()
+  if not iswin() then return end  -- N/A for Unix.
+
+  it('append extension, even if omit extension', function()
+    local filename = 'cmd'
+    local pathext = '.exe'
+    clear({env={PATHEXT=pathext}})
+    eq(call('exepath', filename..pathext), call('exepath', filename))
+  end)
+end)