diff options
Diffstat (limited to 'spec/ruby/core/integer/pred_spec.rb')
| -rw-r--r-- | spec/ruby/core/integer/pred_spec.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/pred_spec.rb b/spec/ruby/core/integer/pred_spec.rb new file mode 100644 index 0000000000..fce536b5a2 --- /dev/null +++ b/spec/ruby/core/integer/pred_spec.rb @@ -0,0 +1,11 @@ +require_relative '../../spec_helper' + +describe "Integer#pred" do + it "returns the Integer equal to self - 1" do + 0.pred.should.eql?(-1) + -1.pred.should.eql?(-2) + bignum_value.pred.should.eql?(bignum_value(-1)) + fixnum_min.pred.should.eql?(fixnum_min - 1) + 20.pred.should.eql?(19) + end +end |