require File.expand_path('../../../spec_helper', __FILE__) 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 end