require_relative '../../spec_helper' describe "Float#ceil" do it "returns the smallest Integer greater than or equal to self" do -1.2.ceil.should eql( -1) -1.0.ceil.should eql( -1) 0.0.ceil.should eql( 0 ) 1.3.ceil.should eql( 2 ) 3.0.ceil.should eql( 3 ) -9223372036854775808.1.ceil.should eql(-9223372036854775808) +9223372036854775808.1.ceil.should eql(+9223372036854775808) end ruby_version_is "2.4" do it "returns the smallest number greater than or equal to self with an optionally given precision" do 2.1679.ceil(0).should eql(3) 214.94.ceil(-1).should eql(220) 7.0.ceil(1).should eql(7.0) -1.234.ceil(2).should eql(-1.23) 5.123812.ceil(4).should eql(5.1239) end end end