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describe :weakmap_include?, shared: true do
it "recognizes keys in use" do
map = ObjectSpace::WeakMap.new
key1, key2 = %w[a b].map(&:upcase)
ref1, ref2 = %w[x y]
map[key1] = ref1
map.send(@method, key1).should == true
map[key1] = ref1
map.send(@method, key1).should == true
map[key2] = ref2
map.send(@method, key2).should == true
end
it "matches using identity semantics" do
map = ObjectSpace::WeakMap.new
key1, key2 = %w[a a].map(&:upcase)
ref = "x"
map[key1] = ref
map.send(@method, key2).should == false
end
ruby_version_is "2.7" do
ruby_bug "#16826", "2.7.0"..."2.7.2" do
it "reports true if the pair exists and the value is nil" do
map = ObjectSpace::WeakMap.new
key = Object.new
map[key] = nil
map.size.should == 1
map.send(@method, key).should == true
end
end
end
end
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