* test/ruby/envutil.rb: move "rubyexec" method from test_rubyoptions.rb.
* test/ruby/test_rubyoptions.rb: use rubyexec in envutil.rb.
* test/ruby/test_thread.rb: add tests to achieve over 90% test coverage
of thread.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16175 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
before exit (for gcov).
* test/ruby/test_rubyoptions.rb: new tests for option of ruby
interpreter, to achieve over 95% test coverage of ruby.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16057 b2dd03c8-39d4-4d8f-98ff-823fe69b080e