diff options
Diffstat (limited to 'spec/ruby/core/integer/ceildiv_spec.rb')
| -rw-r--r-- | spec/ruby/core/integer/ceildiv_spec.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/ceildiv_spec.rb b/spec/ruby/core/integer/ceildiv_spec.rb new file mode 100644 index 0000000000..91f63832f8 --- /dev/null +++ b/spec/ruby/core/integer/ceildiv_spec.rb @@ -0,0 +1,20 @@ +require_relative '../../spec_helper' + +describe "Integer#ceildiv" do + it "returns a quotient of division which is rounded up to the nearest integer" do + 0.ceildiv(3).should.eql?(0) + 1.ceildiv(3).should.eql?(1) + 3.ceildiv(3).should.eql?(1) + 4.ceildiv(3).should.eql?(2) + + 4.ceildiv(-3).should.eql?(-1) + -4.ceildiv(3).should.eql?(-1) + -4.ceildiv(-3).should.eql?(2) + + 3.ceildiv(1.2).should.eql?(3) + 3.ceildiv(6/5r).should.eql?(3) + + (10**100-11).ceildiv(10**99-1).should.eql?(10) + (10**100-9).ceildiv(10**99-1).should.eql?(11) + end +end |