25 lines
563 B
Ruby
25 lines
563 B
Ruby
RSpec.describe Mutant::Matcher::Null do
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let(:object) { described_class.new }
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describe '#each' do
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let(:yields) { [] }
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subject { object.each { |entry| yields << entry } }
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# it_should_behave_like 'an #each method'
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context 'with no block' do
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subject { object.each }
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it { should be_instance_of(to_enum.class) }
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it 'yields the expected values' do
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expect(subject.to_a).to eql(object.to_a)
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end
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end
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it 'should yield subjects' do
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expect { subject }.not_to change { yields }.from([])
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end
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end
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end
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