Issue 30: Add a test script to watch performance

tests/tests.zsh

@@ -0,0 +1,16 @@
+#!/usr/bin/env zsh
+# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
+# vim: ft=zsh sw=2 ts=2 et
+
+# Copyleft 2011 zsh-syntax-highlighting contributors
+# http://github.com/nicoulaj/zsh-syntax-highlighting
+# All wrongs reserved.
+
+
+source $(dirname $0)/../zsh-syntax-highlighting.zsh
+
+TIMEFMT="%*Es"
+for buffer in $(dirname $0)/data/*.zsh; do
+  echo -n "${buffer:t:r}: "
+  time (BUFFER="`cat $buffer`" &&_zsh_highlight-zle-buffer)
+done