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a34db218ad
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
45 lines
1.5 KiB
Ruby
45 lines
1.5 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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describe "Range.new" do
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it "constructs a range using the given start and end" do
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range = Range.new('a', 'c')
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range.should == ('a'..'c')
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range.first.should == 'a'
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range.last.should == 'c'
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end
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it "includes the end object when the third parameter is omitted or false" do
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Range.new('a', 'c').to_a.should == ['a', 'b', 'c']
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Range.new(1, 3).to_a.should == [1, 2, 3]
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Range.new('a', 'c', false).to_a.should == ['a', 'b', 'c']
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Range.new(1, 3, false).to_a.should == [1, 2, 3]
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Range.new('a', 'c', true).to_a.should == ['a', 'b']
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Range.new(1, 3, 1).to_a.should == [1, 2]
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Range.new(1, 3, mock('[1,2]')).to_a.should == [1, 2]
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Range.new(1, 3, :test).to_a.should == [1, 2]
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end
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it "raises an ArgumentError when the given start and end can't be compared by using #<=>" do
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lambda { Range.new(1, mock('x')) }.should raise_error(ArgumentError)
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lambda { Range.new(mock('x'), mock('y')) }.should raise_error(ArgumentError)
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b = mock('x')
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(a = mock('nil')).should_receive(:<=>).with(b).and_return(nil)
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lambda { Range.new(a, b) }.should raise_error(ArgumentError)
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end
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ruby_version_is "2.5" do
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it "does not rescue exception raised in #<=> when compares the given start and end" do
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b = mock('a')
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a = mock('b')
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a.should_receive(:<=>).with(b).and_raise(RangeSpecs::ComparisonError)
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-> { Range.new(a, b) }.should raise_error(RangeSpecs::ComparisonError)
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end
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end
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end
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