1 files changed, 48 insertions, 0 deletions
diff --git a/spec/ruby/core/numeric/comparison_spec.rb b/spec/ruby/core/numeric/comparison_spec.rb
new file mode 100644
index 0000000000..59676c01ad
--- /dev/null
+++ b/spec/ruby/core/numeric/comparison_spec.rb
@@ -0,0 +1,48 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Numeric#<=>" do
+  before :each do
+    @obj = NumericSpecs::Subclass.new
+  end
+
+  it "returns 0 if self equals other" do
+    (@obj <=> @obj).should == 0
+  end
+
+  it "returns nil if self does not equal other" do
+    (@obj <=> NumericSpecs::Subclass.new).should == nil
+    (@obj <=> 10).should == nil
+    (@obj <=> -3.5).should == nil
+    (@obj <=> bignum_value).should == nil
+  end
+
+  describe "with subclasses of Numeric" do
+    before :each do
+      @a = NumericSpecs::Comparison.new
+      @b = NumericSpecs::Comparison.new
+
+      ScratchPad.clear
+    end
+
+    it "is called when instances are compared with #<" do
+      (@a < @b).should be_false
+      ScratchPad.recorded.should == :numeric_comparison
+    end
+
+    it "is called when instances are compared with #<=" do
+      (@a <= @b).should be_false
+      ScratchPad.recorded.should == :numeric_comparison
+    end
+
+    it "is called when instances are compared with #>" do
+      (@a > @b).should be_true
+      ScratchPad.recorded.should == :numeric_comparison
+    end
+
+    it "is called when instances are compared with #>=" do
+      (@a >= @b).should be_true
+      ScratchPad.recorded.should == :numeric_comparison
+    end
+  end
+end