# Compatibility Testing for 1.9 using ZenTest's multiruby

**URL:** <https://www.ruby-forum.com/t/compatibility-testing-for-1-9-using-zentests-multiruby/124341>\
**Category:** Ruby\
**Created:** [December 27, 2007, 7:48pm UTC](https://www.ruby-forum.com/t/compatibility-testing-for-1-9-using-zentests-multiruby/124341 "2007-12-27T19:48:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![aguynamedryan](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/43a26b/32.png) [@aguynamedryan](https://www.ruby-forum.com/u/aguynamedryan)\
**Post date:** [December 27, 2007, 7:48pm UTC](https://www.ruby-forum.com/t/compatibility-testing-for-1-9-using-zentests-multiruby/124341/1 "2007-12-27T19:48:00Z")

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If you’ve got a library or three, multiruby is an easy way to verify  
compatibility of multiple versions of ruby:

[http://blog.zenspider.com/archives/2007/12/testing\_for\_ruby\_18\_and\_19\_using\_multiruby.html](http://blog.zenspider.com/archives/2007/12/testing_for_ruby_18_and_19_using_multiruby.html)

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**Author:** ![aguynamedryan](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/43a26b/32.png) [@aguynamedryan](https://www.ruby-forum.com/u/aguynamedryan)\
**Post date:** [December 27, 2007, 8:42pm UTC](https://www.ruby-forum.com/t/compatibility-testing-for-1-9-using-zentests-multiruby/124341/2 "2007-12-27T20:42:05Z")

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Ryan D. wrote:

> If you’ve got a library or three, multiruby is an easy way to verify  
> compatibility of multiple versions of ruby:
> 
> [http://blog.zenspider.com/archives/2007/12/testing\_for\_ruby\_18\_and\_19\_using\_multiruby.html](http://blog.zenspider.com/archives/2007/12/testing_for_ruby_18_and_19_using_multiruby.html)

Thank you!! I sort of discovered that, but hadn’t had a chance to  
actually configure it.