1 files changed, 15 insertions, 2 deletions
diff --git a/spec/ruby/core/numeric/abs_spec.rb b/spec/ruby/core/numeric/abs_spec.rb
index 8bec50e337..4b16e06c97 100644
--- a/spec/ruby/core/numeric/abs_spec.rb
+++ b/spec/ruby/core/numeric/abs_spec.rb
@@ -1,6 +1,19 @@
 require_relative '../../spec_helper'
-require_relative 'shared/abs'
+require_relative 'fixtures/classes'
 
 describe "Numeric#abs" do
-  it_behaves_like :numeric_abs, :abs
+  before :each do
+    @obj = NumericSpecs::Subclass.new
+  end
+
+  it "returns self when self is greater than 0" do
+    @obj.should_receive(:<).with(0).and_return(false)
+    @obj.abs.should == @obj
+  end
+
+  it "returns self\#@- when self is less than 0" do
+    @obj.should_receive(:<).with(0).and_return(true)
+    @obj.should_receive(:-@).and_return(:absolute_value)
+    @obj.abs.should == :absolute_value
+  end
 end