* test/fileutils/test_fileutils.rb: add test for FileUtils#uptodate?

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36401 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 0 deletions

diff --git a/test/fileutils/test_fileutils.rb b/test/fileutils/test_fileutils.rb
index 68d503dac4..59658923d9 100644
--- a/test/fileutils/test_fileutils.rb
+++ b/test/fileutils/test_fileutils.rb
@@ -1117,7 +1117,29 @@ class TestFileUtils
       uptodate? 'tmp/a', ['tmp/b', Pathname.new('tmp/c')]
       uptodate? Pathname.new('tmp/a'), [Pathname.new('tmp/b'), Pathname.new('tmp/c')]
     }
+    # [Bug #6708] [ruby-core:46256]
+    assert_raises_with_message(ArgumentError, "wrong number of arguments (3 for 2)") {
+      uptodate?('new',['old', 'oldest'], {})
+    }
+  end
+
+  def assert_raises_with_message(klass, message)
+    begin
+      yield
+      flunk("Expected Exception #{klass} didn't raise")
+    rescue klass => ex
+      if message.kind_of? String
+        flag = !!(ex.message == message)
+        assert(flag, "Expected Exception(#{klass}) was raised, but the message doesn't match")
+      elsif message.kind_of? Regexp
+        flag = !!(ex.message =~ message)
+        assert(flag, "Expected Exception(#{klass}) was raised, but the message doesn't match")
+      else
+        raise
+      end
+    end
   end
+  private :assert_raises_with_message
 
   def test_cd
     check_singleton :cd