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Diffstat (limited to 'spec/ruby/core/enumerable/uniq_spec.rb')
-rw-r--r-- | spec/ruby/core/enumerable/uniq_spec.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerable/uniq_spec.rb b/spec/ruby/core/enumerable/uniq_spec.rb new file mode 100644 index 0000000000..0ede0170ce --- /dev/null +++ b/spec/ruby/core/enumerable/uniq_spec.rb @@ -0,0 +1,29 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +ruby_version_is '2.4' do + describe 'Enumerable#uniq' do + it 'returns an array that contains only unique elements' do + [0, 1, 2, 3].to_enum.uniq { |n| n.even? }.should == [0, 1] + end + + context 'when yielded with multiple arguments' do + before :each do + @enum = Object.new.to_enum + class << @enum + def each + yield 0, 'foo' + yield 1, 'FOO' + yield 2, 'bar' + end + end + end + + ruby_bug '#13669', ''...'2.5' do + it 'returns all yield arguments as an array' do + @enum.uniq { |_, label| label.downcase }.should == [[0, 'foo'], [2, 'bar']] + end + end + end + end +end |