1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/core/fixnum/fixnum_spec.rb b/spec/ruby/core/fixnum/fixnum_spec.rb
new file mode 100644
index 0000000000..8a050fd25e
--- /dev/null
+++ b/spec/ruby/core/fixnum/fixnum_spec.rb
@@ -0,0 +1,19 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Fixnum" do
+  it "includes Comparable" do
+    Fixnum.include?(Comparable).should == true
+  end
+
+  it ".allocate raises a TypeError" do
+    lambda do
+      Fixnum.allocate
+    end.should raise_error(TypeError)
+  end
+
+  it ".new is undefined" do
+    lambda do
+      Fixnum.new
+    end.should raise_error(NoMethodError)
+  end
+end