任何可以测试PowerBuilder应用程序和webapp的测试工具？

I'm working on developing a webapp that will replace an existing PowerBuilder app. They should be functionality equivalent, and the requirements for the PB app are long gone. So the best way to test seems to be to input the same data into the same screens, and compare the output. If the PB output and the webapp output are the same, it's functionally equivalent. I'm working on developing a webapp that will re