1 files changed, 13 insertions, 1 deletions
diff --git a/spec/ruby/core/kernel/print_spec.rb b/spec/ruby/core/kernel/print_spec.rb
index c8c4453d1e..5473d22f71 100644
--- a/spec/ruby/core/kernel/print_spec.rb
+++ b/spec/ruby/core/kernel/print_spec.rb
@@ -3,7 +3,19 @@ require_relative 'fixtures/classes'
 
 describe "Kernel#print" do
   it "is a private method" do
-    Kernel.should have_private_instance_method(:print)
+    Kernel.private_instance_methods(false).should.include?(:print)
+  end
+
+  it "delegates to $stdout" do
+    -> { print :arg }.should output("arg")
+  end
+
+  it "prints $_ when no arguments are given" do
+    orig_value = $_
+    $_ = 'foo'
+    -> { print }.should output("foo")
+  ensure
+    $_ = orig_value
   end
 end