diff options
Diffstat (limited to 'spec/ruby/core/bignum/even_spec.rb')
-rw-r--r-- | spec/ruby/core/bignum/even_spec.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/core/bignum/even_spec.rb b/spec/ruby/core/bignum/even_spec.rb new file mode 100644 index 0000000000..a84ea80075 --- /dev/null +++ b/spec/ruby/core/bignum/even_spec.rb @@ -0,0 +1,19 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Bignum#even?" do + it "returns true if self is even and positive" do + (10000**10).even?.should be_true + end + + it "returns true if self is even and negative" do + (-10000**10).even?.should be_true + end + + it "returns false if self is odd and positive" do + (9879**976).even?.should be_false + end + + it "returns false if self is odd and negative" do + (-9879**976).even?.should be_false + end +end |