diff options
Diffstat (limited to 'spec/ruby/core/bignum/uminus_spec.rb')
-rw-r--r-- | spec/ruby/core/bignum/uminus_spec.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/spec/ruby/core/bignum/uminus_spec.rb b/spec/ruby/core/bignum/uminus_spec.rb new file mode 100644 index 0000000000..7ec432ac71 --- /dev/null +++ b/spec/ruby/core/bignum/uminus_spec.rb @@ -0,0 +1,11 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Bignum#-@" do + it "returns self as a negative value" do + bignum_value.send(:-@).should == -9223372036854775808 + (-bignum_value).send(:-@).should == 9223372036854775808 + + bignum_value(921).send(:-@).should == -9223372036854776729 + (-bignum_value(921).send(:-@)).should == 9223372036854776729 + end +end |