RCov

I know everyone is using IronRuby for their testing, but what about code
coverage? Has anyone tried RCov with a .NET app?

Ryan R.

Email: [email protected]
LinkedIn: http://www.linkedin.com/in/ryanriley
Blog: http://wizardsofsmart.net/
Twitter: @panesofglass
Website: http://panesofglass.org/

I think rcov is c-based ☹

JD

From: [email protected]
[mailto:[email protected]] On Behalf Of Ryan R.
Sent: Friday, January 22, 2010 10:12 AM
To: [email protected]
Subject: [Ironruby-core] RCov

I know everyone is using IronRuby for their testing, but what about code
coverage? Has anyone tried RCov with a .NET app?

Ryan R.

Email: [email protected]mailto:[email protected]
LinkedIn: http://www.linkedin.com/in/ryanriley
Blog: http://wizardsofsmart.net/
Twitter: @panesofglass
Website: http://panesofglass.org/

The core is C-based. Most of it is in Ruby. This is just similar to
ruby-debug which also has a small C-based core. Both would need a small
hook from IronRuby. So its certainly feasible to support it, but at this
point, it will be post-1.0

However, you would only get coverage for Ruby code. For profiling .NET
code, you have to use .NET profilers like the one in VS.

From: [email protected]
[mailto:[email protected]d] On Behalf Of Jim D.
Sent: Friday, January 22, 2010 10:34 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

I think rcov is c-based ☹

JD

From: [email protected]
[mailto:[email protected]] On Behalf Of Ryan R.
Sent: Friday, January 22, 2010 10:12 AM
To: [email protected]
Subject: [Ironruby-core] RCov

I know everyone is using IronRuby for their testing, but what about code
coverage? Has anyone tried RCov with a .NET app?

Ryan R.

Email: [email protected]mailto:[email protected]
LinkedIn: http://www.linkedin.com/in/ryanriley
Blog: http://wizardsofsmart.net/
Twitter: @panesofglass
Website: http://panesofglass.org/

That’s what I thought. Thanks for the responses.

Ryan R.

Email: [email protected]
LinkedIn: http://www.linkedin.com/in/ryanriley
Blog: http://wizardsofsmart.net/
Twitter: @panesofglass
Website: http://panesofglass.org/

Just noticed that RCov can work in pure Ruby mode without the C-based
core known as “rcovrt”. The pure Ruby mode is two orders of magnitude
slower. Just FYI. There is still the issue that it will not profile .NET
code…

From: [email protected]
[mailto:[email protected]] On Behalf Of Shri B.
Sent: Friday, January 22, 2010 10:53 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

The core is C-based. Most of it is in Ruby. This is just similar to
ruby-debug which also has a small C-based core. Both would need a small
hook from IronRuby. So its certainly feasible to support it, but at this
point, it will be post-1.0

However, you would only get coverage for Ruby code. For profiling .NET
code, you have to use .NET profilers like the one in VS.

From: [email protected]
[mailto:[email protected]] On Behalf Of Jim D.
Sent: Friday, January 22, 2010 10:34 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

I think rcov is c-based ☹

JD

From: [email protected]
[mailto:[email protected]] On Behalf Of Ryan R.
Sent: Friday, January 22, 2010 10:12 AM
To: [email protected]
Subject: [Ironruby-core] RCov

I know everyone is using IronRuby for their testing, but what about code
coverage? Has anyone tried RCov with a .NET app?

Ryan R.

Email: [email protected]mailto:[email protected]
LinkedIn: http://www.linkedin.com/in/ryanriley
Blog: http://wizardsofsmart.net/
Twitter: @panesofglass
Website: http://panesofglass.org/

Interesting to know though. Thanks for sharing!

JD

From: [email protected]
[mailto:[email protected]] On Behalf Of Shri B.
Sent: Monday, March 08, 2010 11:14 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

Just noticed that RCov can work in pure Ruby mode without the C-based
core known as “rcovrt”. The pure Ruby mode is two orders of magnitude
slower. Just FYI. There is still the issue that it will not profile .NET
code…

From: [email protected]
[mailto:[email protected]] On Behalf Of Shri B.
Sent: Friday, January 22, 2010 10:53 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

The core is C-based. Most of it is in Ruby. This is just similar to
ruby-debug which also has a small C-based core. Both would need a small
hook from IronRuby. So its certainly feasible to support it, but at this
point, it will be post-1.0

However, you would only get coverage for Ruby code. For profiling .NET
code, you have to use .NET profilers like the one in VS.

From: [email protected]
[mailto:[email protected]] On Behalf Of Jim D.
Sent: Friday, January 22, 2010 10:34 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

I think rcov is c-based ☹

JD

From: [email protected]
[mailto:[email protected]] On Behalf Of Ryan R.
Sent: Friday, January 22, 2010 10:12 AM
To: [email protected]
Subject: [Ironruby-core] RCov

I know everyone is using IronRuby for their testing, but what about code
coverage? Has anyone tried RCov with a .NET app?

Ryan R.

Email: [email protected]mailto:[email protected]
LinkedIn: http://www.linkedin.com/in/ryanriley
Blog: http://wizardsofsmart.net/
Twitter: @panesofglass
Website: http://panesofglass.org/

Any guesses what this code prints?

SCRIPT_LINES__ = {}
require “rubygems”
puts SCRIPT_LINES__.size

If you thought 0 like me, you are wrong. Its prints 31 with MRI. I was
trying to get IronRuby to work with rcov in the pure Ruby mode, and was
completely baffled why it was not working for IronRuby. Turns out
SCRIPT_LINES__ is a magic constant that contains the mapping from the
names of all the loaded files to their content. There is a comment about
it in the IronRuby sources, but it is an unimplemented feature. The
pure-Ruby RCov mode depends on this, and so it does not work with
IronRuby.

From: [email protected]
[mailto:[email protected]] On Behalf Of Jim D.
Sent: Monday, March 08, 2010 11:25 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

Interesting to know though. Thanks for sharing!

JD

From: [email protected]
[mailto:[email protected]] On Behalf Of Shri B.
Sent: Monday, March 08, 2010 11:14 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

Just noticed that RCov can work in pure Ruby mode without the C-based
core known as “rcovrt”. The pure Ruby mode is two orders of magnitude
slower. Just FYI. There is still the issue that it will not profile .NET
code…

From: [email protected]
[mailto:[email protected]] On Behalf Of Shri B.
Sent: Friday, January 22, 2010 10:53 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

The core is C-based. Most of it is in Ruby. This is just similar to
ruby-debug which also has a small C-based core. Both would need a small
hook from IronRuby. So its certainly feasible to support it, but at this
point, it will be post-1.0

However, you would only get coverage for Ruby code. For profiling .NET
code, you have to use .NET profilers like the one in VS.

From: [email protected]
[mailto:[email protected]] On Behalf Of Jim D.
Sent: Friday, January 22, 2010 10:34 AM
To: [email protected]
Subject: Re: [Ironruby-core] RCov

I think rcov is c-based ☹

JD

From: [email protected]
[mailto:[email protected]] On Behalf Of Ryan R.
Sent: Friday, January 22, 2010 10:12 AM
To: [email protected]
Subject: [Ironruby-core] RCov

I know everyone is using IronRuby for their testing, but what about code
coverage? Has anyone tried RCov with a .NET app?

Ryan R.

Email: [email protected]mailto:[email protected]
LinkedIn: http://www.linkedin.com/in/ryanriley
Blog: http://wizardsofsmart.net/
Twitter: @panesofglass
Website: http://panesofglass.org/

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