1 files changed, 6 insertions, 1 deletions
diff --git a/spec/ruby/library/bigdecimal/BigDecimal_spec.rb b/spec/ruby/library/bigdecimal/BigDecimal_spec.rb
index 98b3f47703..ec38c6f113 100644
--- a/spec/ruby/library/bigdecimal/BigDecimal_spec.rb
+++ b/spec/ruby/library/bigdecimal/BigDecimal_spec.rb
@@ -150,8 +150,13 @@ describe "Kernel#BigDecimal" do
     BigDecimal("-12345.6E-1").should == -reference
   end
 
-  it 'raises ArgumentError when Float is used without precision' do
+  it "raises ArgumentError when Float is used without precision" do
     lambda { BigDecimal(1.0) }.should raise_error(ArgumentError)
   end
 
+  it "returns appropriate BigDecimal zero for signed zero" do
+    BigDecimal(-0.0, Float::DIG).sign.should == -1
+    BigDecimal(0.0, Float::DIG).sign.should == 1
+  end
+
 end