1 files changed, 9 insertions, 1 deletions
diff --git a/spec/ruby/library/bigdecimal/mult_spec.rb b/spec/ruby/library/bigdecimal/mult_spec.rb
index a4c1602182..b7f8044b0b 100644
--- a/spec/ruby/library/bigdecimal/mult_spec.rb
+++ b/spec/ruby/library/bigdecimal/mult_spec.rb
@@ -9,7 +9,8 @@ end
 describe "BigDecimal#mult" do
   before :each do
     @one = BigDecimal "1"
-    @e3_minus = BigDecimal "3E-20001"
+    @e3_minus = BigDecimal("3E-20001")
+    @e3_plus = BigDecimal("3E20001")
     @e = BigDecimal "1.00000000000000000000123456789"
     @tolerance = @e.sub @one, 1000
     @tolerance2 = BigDecimal "30001E-20005"
@@ -21,4 +22,11 @@ describe "BigDecimal#mult" do
     @e3_minus.mult(@one, 1).should be_close(0, @tolerance2)
   end
 
+  describe "with Object" do
+    it "tries to coerce the other operand to self" do
+      object = mock("Object")
+      object.should_receive(:coerce).with(@e3_minus).and_return([@e3_minus, @e3_plus])
+      @e3_minus.mult(object, 1).should == BigDecimal("9")
+    end
+  end
 end