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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
28 lines
905 B
Ruby
28 lines
905 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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require File.expand_path('../shared/take', __FILE__)
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describe "Enumerable#first" do
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it "returns the first element" do
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EnumerableSpecs::Numerous.new.first.should == 2
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EnumerableSpecs::Empty.new.first.should == nil
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end
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it "returns nil if self is empty" do
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EnumerableSpecs::Empty.new.first.should == nil
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end
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it 'returns a gathered array from yield parameters' do
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EnumerableSpecs::YieldsMulti.new.to_enum.first.should == [1, 2]
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EnumerableSpecs::YieldsMixed2.new.to_enum.first.should == nil
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end
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it "raises a RangeError when passed a Bignum" do
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enum = EnumerableSpecs::Empty.new
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lambda { enum.first(bignum_value) }.should raise_error(RangeError)
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end
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describe "when passed an argument" do
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it_behaves_like :enumerable_take, :first
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end
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end
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