diff options
Diffstat (limited to 'spec/rubyspec/core/integer/pred_spec.rb')
| -rw-r--r-- | spec/rubyspec/core/integer/pred_spec.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/spec/rubyspec/core/integer/pred_spec.rb b/spec/rubyspec/core/integer/pred_spec.rb new file mode 100644 index 0000000000..8b16a7ae03 --- /dev/null +++ b/spec/rubyspec/core/integer/pred_spec.rb @@ -0,0 +1,11 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +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 |