1 files changed, 16 insertions, 0 deletions
diff --git a/spec/ruby/core/process/setsid_spec.rb b/spec/ruby/core/process/setsid_spec.rb
new file mode 100644
index 0000000000..c83f912066
--- /dev/null
+++ b/spec/ruby/core/process/setsid_spec.rb
@@ -0,0 +1,16 @@
+require_relative '../../spec_helper'
+
+describe "Process.setsid" do
+  platform_is_not :windows do
+    it "establishes this process as a new session and process group leader" do
+      sid = Process.getsid
+
+      out = ruby_exe("p Process.getsid; p Process.setsid; p Process.getsid").lines
+      out[0].should == "#{sid}\n"
+      out[1].should == out[2]
+      out[2].should_not == "#{sid}\n"
+
+      sid.should == Process.getsid
+    end
+  end
+end