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require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
describe "Range.new" do
it "constructs a range using the given start and end" do
range = Range.new('a', 'c')
range.should == ('a'..'c')
range.first.should == 'a'
range.last.should == 'c'
end
it "includes the end object when the third parameter is omitted or false" do
Range.new('a', 'c').to_a.should == ['a', 'b', 'c']
Range.new(1, 3).to_a.should == [1, 2, 3]
Range.new('a', 'c', false).to_a.should == ['a', 'b', 'c']
Range.new(1, 3, false).to_a.should == [1, 2, 3]
Range.new('a', 'c', true).to_a.should == ['a', 'b']
Range.new(1, 3, 1).to_a.should == [1, 2]
Range.new(1, 3, mock('[1,2]')).to_a.should == [1, 2]
Range.new(1, 3, :test).to_a.should == [1, 2]
end
it "raises an ArgumentError when the given start and end can't be compared by using #<=>" do
lambda { Range.new(1, mock('x')) }.should raise_error(ArgumentError)
lambda { Range.new(mock('x'), mock('y')) }.should raise_error(ArgumentError)
b = mock('x')
(a = mock('nil')).should_receive(:method_missing).with(:<=>, b).and_return(nil)
lambda { Range.new(a, b) }.should raise_error(ArgumentError)
end
end
Version data entries
83 entries across 83 versions & 1 rubygems