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require File.expand_path('../../../spec_helper', __FILE__)
require 'date'
describe "DateTime#hour" do
it "returns 0 if no argument is passed" do
DateTime.new.hour.should == 0
end
it "returns the hour given as argument" do
new_datetime(hour: 5).hour.should == 5
end
it "adds 24 to negative hours" do
new_datetime(hour: -10).hour.should == 14
end
it "raises an error for Rational" do
lambda { new_datetime(hour: 1 + Rational(1,2)) }.should raise_error(ArgumentError)
end
it "raises an error for Float" do
lambda { new_datetime(hour: 1.5).hour }.should raise_error(ArgumentError)
end
it "raises an error for Rational" do
lambda { new_datetime(day: 1 + Rational(1,2)) }.should raise_error(ArgumentError)
end
it "raises an error, when the hour is smaller than -24" do
lambda { new_datetime(hour: -25) }.should raise_error(ArgumentError)
end
it "raises an error, when the hour is larger than 24" do
lambda { new_datetime(hour: 25) }.should raise_error(ArgumentError)
end
it "raises an error for hour fractions smaller than -24" do
lambda { new_datetime(hour: -24 - Rational(1,2)) }.should(
raise_error(ArgumentError))
end
it "adds 1 to day, when 24 hours given" do
d = new_datetime day: 1, hour: 24
d.hour.should == 0
d.day.should == 2
end
end
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