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require 'date'
require File.expand_path('../../../spec_helper', __FILE__)
describe "Date#<<" do
it "subtracts a number of months from a date" do
d = Date.civil(2007,2,27) << 10
d.should == Date.civil(2006, 4, 27)
end
it "returns the last day of a month if the day doesn't exist" do
d = Date.civil(2008,3,31) << 1
d.should == Date.civil(2008, 2, 29)
end
ruby_version_is ""..."2.3" do
it "raises an error on non numeric parameters" do
lambda { Date.civil(2007,2,27) << :hello }.should raise_error
lambda { Date.civil(2007,2,27) << "hello" }.should raise_error
lambda { Date.civil(2007,2,27) << Date.new }.should raise_error
lambda { Date.civil(2007,2,27) << Object.new }.should raise_error
end
end
ruby_version_is "2.3" do
it "raises an error on non numeric parameters" do
lambda { Date.civil(2007,2,27) << :hello }.should raise_error(TypeError)
lambda { Date.civil(2007,2,27) << "hello" }.should raise_error(TypeError)
lambda { Date.civil(2007,2,27) << Date.new }.should raise_error(TypeError)
lambda { Date.civil(2007,2,27) << Object.new }.should raise_error(TypeError)
end
end
end
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