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require_relative '../../../spec_helper'
ruby_version_is "3.3" do
describe "ObjectSpace::WeakKeyMap#getkey" do
it "returns the existing equal key" do
map = ObjectSpace::WeakKeyMap.new
key1, key2 = %w[a a].map(&:upcase)
map[key1] = true
map.getkey(key2).should equal(key1)
map.getkey("X").should == nil
key1.should == "A" # keep the key alive until here to keep the map entry
key2.should == "A" # keep the key alive until here to keep the map entry
end
it "returns nil when a key cannot be garbage collected" do
map = ObjectSpace::WeakKeyMap.new
map.getkey(1).should == nil
map.getkey(1.0).should == nil
map.getkey(:a).should == nil
map.getkey(true).should == nil
map.getkey(false).should == nil
map.getkey(nil).should == nil
end
end
end
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