1 files changed, 14 insertions, 10 deletions
diff --git a/spec/ruby/core/float/divide_spec.rb b/spec/ruby/core/float/divide_spec.rb
index d8f71a6b98..68a2c550a7 100644
--- a/spec/ruby/core/float/divide_spec.rb
+++ b/spec/ruby/core/float/divide_spec.rb
@@ -16,24 +16,28 @@ describe "Float#/" do
   end
 
   it "returns +Infinity when dividing non-zero by zero of the same sign" do
-    (1.0 / 0.0).should be_positive_infinity
-    (-1.0 / -0.0).should be_positive_infinity
+    (1.0 / 0.0).should.infinite? == 1
+    (-1.0 / -0.0).should.infinite? == 1
   end
 
   it "returns -Infinity when dividing non-zero by zero of opposite sign" do
-    (-1.0 / 0.0).should be_negative_infinity
-    (1.0 / -0.0).should be_negative_infinity
+    (-1.0 / 0.0).should.infinite? == -1
+    (1.0 / -0.0).should.infinite? == -1
   end
 
   it "returns NaN when dividing zero by zero" do
-    (0.0 / 0.0).should be_nan
-    (-0.0 / 0.0).should be_nan
-    (0.0 / -0.0).should be_nan
-    (-0.0 / -0.0).should be_nan
+    (0.0 / 0.0).should.nan?
+    (-0.0 / 0.0).should.nan?
+    (0.0 / -0.0).should.nan?
+    (-0.0 / -0.0).should.nan?
   end
 
   it "raises a TypeError when given a non-Numeric" do
-    -> { 13.0 / "10"    }.should raise_error(TypeError)
-    -> { 13.0 / :symbol }.should raise_error(TypeError)
+    -> { 13.0 / "10"    }.should.raise(TypeError)
+    -> { 13.0 / :symbol }.should.raise(TypeError)
+  end
+
+  it "divides correctly by Rational numbers" do
+    (1.2345678901234567 / Rational(1, 10000000000000000000)).should == 1.2345678901234567e+19
   end
 end