1 files changed, 43 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/fail_spec.rb b/spec/ruby/core/kernel/fail_spec.rb
new file mode 100644
index 0000000000..9f3601c233
--- /dev/null
+++ b/spec/ruby/core/kernel/fail_spec.rb
@@ -0,0 +1,43 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Kernel.fail" do
+  it "is a private method" do
+    Kernel.should have_private_instance_method(:fail)
+  end
+
+  it "raises a RuntimeError" do
+    lambda { fail }.should raise_error(RuntimeError)
+  end
+
+  it "accepts an Object with an exception method returning an Exception" do
+    class Boring
+      def self.exception(msg)
+        StandardError.new msg
+      end
+    end
+    lambda { fail Boring, "..." }.should raise_error(StandardError)
+  end
+
+  it "instantiates the specified exception class" do
+    class LittleBunnyFooFoo < RuntimeError; end
+    lambda { fail LittleBunnyFooFoo }.should raise_error(LittleBunnyFooFoo)
+  end
+
+  it "uses the specified message" do
+    lambda {
+      begin
+        fail "the duck is not irish."
+      rescue => e
+        e.message.should == "the duck is not irish."
+        raise
+      else
+        raise Exception
+      end
+    }.should raise_error(RuntimeError)
+  end
+end
+
+describe "Kernel#fail" do
+  it "needs to be reviewed for spec completeness"
+end