diff options
Diffstat (limited to 'spec/ruby/core/enumerable/uniq_spec.rb')
-rw-r--r-- | spec/ruby/core/enumerable/uniq_spec.rb | 134 |
1 files changed, 65 insertions, 69 deletions
diff --git a/spec/ruby/core/enumerable/uniq_spec.rb b/spec/ruby/core/enumerable/uniq_spec.rb index eb1e70c208..c286882e92 100644 --- a/spec/ruby/core/enumerable/uniq_spec.rb +++ b/spec/ruby/core/enumerable/uniq_spec.rb @@ -1,94 +1,90 @@ require_relative '../../spec_helper' require_relative 'fixtures/classes' -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 +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 - it "uses eql? semantics" do - [1.0, 1].to_enum.uniq.should == [1.0, 1] - end + it "uses eql? semantics" do + [1.0, 1].to_enum.uniq.should == [1.0, 1] + end - it "compares elements first with hash" do - x = mock('0') - x.should_receive(:hash).at_least(1).and_return(0) - y = mock('0') - y.should_receive(:hash).at_least(1).and_return(0) + it "compares elements first with hash" do + x = mock('0') + x.should_receive(:hash).at_least(1).and_return(0) + y = mock('0') + y.should_receive(:hash).at_least(1).and_return(0) - [x, y].to_enum.uniq.should == [x, y] - end - - it "does not compare elements with different hash codes via eql?" do - x = mock('0') - x.should_not_receive(:eql?) - y = mock('1') - y.should_not_receive(:eql?) + [x, y].to_enum.uniq.should == [x, y] + end - x.should_receive(:hash).at_least(1).and_return(0) - y.should_receive(:hash).at_least(1).and_return(1) + it "does not compare elements with different hash codes via eql?" do + x = mock('0') + x.should_not_receive(:eql?) + y = mock('1') + y.should_not_receive(:eql?) - [x, y].to_enum.uniq.should == [x, y] - end + x.should_receive(:hash).at_least(1).and_return(0) + y.should_receive(:hash).at_least(1).and_return(1) - it "compares elements with matching hash codes with #eql?" do - a = Array.new(2) do - obj = mock('0') - obj.should_receive(:hash).at_least(1).and_return(0) - - def obj.eql?(o) - # It's undefined whether the impl does a[0].eql?(a[1]) or - # a[1].eql?(a[0]) so we taint both. - taint - o.taint - false - end + [x, y].to_enum.uniq.should == [x, y] + end - obj + it "compares elements with matching hash codes with #eql?" do + a = Array.new(2) do + obj = mock('0') + obj.should_receive(:hash).at_least(1).and_return(0) + + def obj.eql?(o) + # It's undefined whether the impl does a[0].eql?(a[1]) or + # a[1].eql?(a[0]) so we taint both. + taint + o.taint + false end - a.uniq.should == a - a[0].tainted?.should == true - a[1].tainted?.should == true + obj + end - a = Array.new(2) do - obj = mock('0') - obj.should_receive(:hash).at_least(1).and_return(0) + a.uniq.should == a + a[0].tainted?.should == true + a[1].tainted?.should == true - def obj.eql?(o) - # It's undefined whether the impl does a[0].eql?(a[1]) or - # a[1].eql?(a[0]) so we taint both. - taint - o.taint - true - end + a = Array.new(2) do + obj = mock('0') + obj.should_receive(:hash).at_least(1).and_return(0) - obj + def obj.eql?(o) + # It's undefined whether the impl does a[0].eql?(a[1]) or + # a[1].eql?(a[0]) so we taint both. + taint + o.taint + true end - a.to_enum.uniq.size.should == 1 - a[0].tainted?.should == true - a[1].tainted?.should == true + obj 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 + a.to_enum.uniq.size.should == 1 + a[0].tainted?.should == true + a[1].tainted?.should == true + 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']] + 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 + + it 'returns all yield arguments as an array' do + @enum.uniq { |_, label| label.downcase }.should == [[0, 'foo'], [2, 'bar']] + end end end |