diff options
Diffstat (limited to 'spec/ruby/core/integer/even_spec.rb')
| -rw-r--r-- | spec/ruby/core/integer/even_spec.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/even_spec.rb b/spec/ruby/core/integer/even_spec.rb new file mode 100644 index 0000000000..c14cf84947 --- /dev/null +++ b/spec/ruby/core/integer/even_spec.rb @@ -0,0 +1,20 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Integer#even?" do + it "returns true for a Fixnum when it is an even number" do + (-2).even?.should be_true + (-1).even?.should be_false + + 0.even?.should be_true + 1.even?.should be_false + 2.even?.should be_true + end + + it "returns true for a Bignum when it is an even number" do + bignum_value(0).even?.should be_true + bignum_value(1).even?.should be_false + + (-bignum_value(0)).even?.should be_true + (-bignum_value(1)).even?.should be_false + end +end |