mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
12 lines
323 B
Ruby
12 lines
323 B
Ruby
|
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
|