1 files changed, 18 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/select_spec.rb b/spec/ruby/core/kernel/select_spec.rb
new file mode 100644
index 0000000000..df23414b28
--- /dev/null
+++ b/spec/ruby/core/kernel/select_spec.rb
@@ -0,0 +1,18 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Kernel#select" do
+  it "is a private method" do
+    Kernel.should have_private_instance_method(:select)
+  end
+end
+
+describe "Kernel.select" do
+  it 'does not block when timeout is 0' do
+    IO.pipe do |read, write|
+      select([read], [], [], 0).should == nil
+      write.write 'data'
+      select([read], [], [], 0).should == [[read], [], []]
+    end
+  end
+end