test_require.rb: test conditions

* test/ruby/test_require.rb (loading_fifo): check by if FIFO is
  available or not, instead of platform names.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52172 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 4 deletions

diff --git a/test/ruby/test_require.rb b/test/ruby/test_require.rb
index 947b285582..4ccabf2d8c 100644
--- a/test/ruby/test_require.rb
+++ b/test/ruby/test_require.rb
@@ -707,7 +707,7 @@ class TestRequire < Test::Unit::TestCase
       end
       END
     }
-  end unless /mswin|mingw/ =~ RUBY_PLATFORM
+  end if defined?(File.mkfifo)
 
   def test_loading_fifo_threading_success
     Tempfile.create(%w'fifo .rb') {|f|
@@ -731,9 +731,7 @@ class TestRequire < Test::Unit::TestCase
       assert_equal(C1::FOO, "foo")
     INPUT
     }
-
-  end unless /mswin|mingw/ =~ RUBY_PLATFORM
-
+  end if defined?(File.mkfifo)
 
   def test_throw_while_loading
     Tempfile.create(%w'bug-11404 .rb') do |f|