1 files changed, 19 insertions, 12 deletions
diff --git a/spec/ruby/core/float/divide_spec.rb b/spec/ruby/core/float/divide_spec.rb
index 0acd7b20b4..68a2c550a7 100644
--- a/spec/ruby/core/float/divide_spec.rb
+++ b/spec/ruby/core/float/divide_spec.rb
@@ -1,7 +1,10 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/coerce.rb', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/coerce'
+require_relative 'shared/arithmetic_exception_in_coerce'
 
 describe "Float#/" do
+  it_behaves_like :float_arithmetic_exception_in_coerce, :/
+
   it "returns self divided by other" do
     (5.75 / -2).should be_close(-2.875,TOLERANCE)
     (451.0 / 9.3).should be_close(48.494623655914,TOLERANCE)
@@ -13,24 +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
-    lambda { 13.0 / "10"    }.should raise_error(TypeError)
-    lambda { 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