diff options
Diffstat (limited to 'spec/ruby/core/enumerable/uniq_spec.rb')
-rw-r--r-- | spec/ruby/core/enumerable/uniq_spec.rb | 90 |
1 files changed, 61 insertions, 29 deletions
diff --git a/spec/ruby/core/enumerable/uniq_spec.rb b/spec/ruby/core/enumerable/uniq_spec.rb index c286882e92..82c041d4ef 100644 --- a/spec/ruby/core/enumerable/uniq_spec.rb +++ b/spec/ruby/core/enumerable/uniq_spec.rb @@ -31,44 +31,76 @@ describe 'Enumerable#uniq' do [x, y].to_enum.uniq.should == [x, y] end - 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 + ruby_version_is '2.7' do + 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) + false + end + + obj end - obj - end + a.uniq.should == a - a.uniq.should == a - a[0].tainted?.should == true - a[1].tainted?.should == true + a = Array.new(2) do + obj = mock('0') + obj.should_receive(:hash).at_least(1).and_return(0) - a = Array.new(2) do - obj = mock('0') - obj.should_receive(:hash).at_least(1).and_return(0) + def obj.eql?(o) + true + end - 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 + obj end - obj + a.to_enum.uniq.size.should == 1 end + end + + ruby_version_is ''...'2.7' do + 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 + + obj + end + + a.uniq.should == a + a[0].tainted?.should == true + a[1].tainted?.should == true + + 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 + true + end + + obj + end - a.to_enum.uniq.size.should == 1 - a[0].tainted?.should == true - a[1].tainted?.should == true + a.to_enum.uniq.size.should == 1 + a[0].tainted?.should == true + a[1].tainted?.should == true + end end context 'when yielded with multiple arguments' do |