Update to ruby/spec@abf1700

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59205 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/rubyspec/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