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require_relative '../../../spec_helper'
ruby_version_is "3.3" do
describe "ObjectSpace::WeakKeyMap#key?" do
it "recognizes keys in use" do
map = ObjectSpace::WeakKeyMap.new
key1, key2 = %w[a b].map(&:upcase)
ref1, ref2 = %w[x y]
map[key1] = ref1
map.key?(key1).should == true
map[key1] = ref1
map.key?(key1).should == true
map[key2] = ref2
map.key?(key2).should == true
end
it "matches using equality semantics" do
map = ObjectSpace::WeakKeyMap.new
key1, key2 = %w[a a].map(&:upcase)
ref = "x"
map[key1] = ref
map.key?(key2).should == true
end
it "reports true if the pair exists and the value is nil" do
map = ObjectSpace::WeakKeyMap.new
key = Object.new
map[key] = nil
map.key?(key).should == true
end
end
end
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