1 files changed, 24 insertions, 0 deletions
diff --git a/spec/ruby/core/float/comparison_spec.rb b/spec/ruby/core/float/comparison_spec.rb
index cbab3a0fa1..e367198903 100644
--- a/spec/ruby/core/float/comparison_spec.rb
+++ b/spec/ruby/core/float/comparison_spec.rb
@@ -63,4 +63,28 @@ describe "Float#<=>" do
   it "returns 1 when self is negative and other is -Infinity" do
     (-Float::MAX.to_i*2 <=> -infinity_value).should == 1
   end
+
+  it "returns 0 when self is Infinity and other other is infinite?=1" do
+    obj = Object.new
+    def obj.infinite?
+      1
+    end
+    (infinity_value <=> obj).should == 0
+  end
+
+  it "returns 1 when self is Infinity and other is infinite?=-1" do
+    obj = Object.new
+    def obj.infinite?
+      -1
+    end
+    (infinity_value <=> obj).should == 1
+  end
+
+  it "returns 1 when self is Infinity and other is infinite?=nil (which means finite)" do
+    obj = Object.new
+    def obj.infinite?
+        nil
+    end
+    (infinity_value <=> obj).should == 1
+  end
 end