1 files changed, 11 insertions, 1 deletions
diff --git a/spec/ruby/core/exception/success_spec.rb b/spec/ruby/core/exception/success_spec.rb
index 82e3df92c6..5ab8f94454 100644
--- a/spec/ruby/core/exception/success_spec.rb
+++ b/spec/ruby/core/exception/success_spec.rb
@@ -1,5 +1,15 @@
 require_relative '../../spec_helper'
 
 describe "SystemExit#success?" do
-  it "needs to be reviewed for spec completeness"
+  it "returns true if the process exited successfully" do
+    -> { exit 0 }.should.raise(SystemExit) { |e|
+      e.should.success?
+    }
+  end
+
+  it "returns false if the process exited unsuccessfully" do
+    -> { exit(-1) }.should.raise(SystemExit) { |e|
+      e.should_not.success?
+    }
+  end
 end