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require_relative '../../../spec_helper'
describe "ObjectSpace::WeakMap#[]=" do
def should_accept(map, key, value)
(map[key] = value).should == value
map.should.key?(key)
map[key].should == value
end
it "is correct" do
map = ObjectSpace::WeakMap.new
key1, key2 = %w[a b].map(&:upcase)
ref1, ref2 = %w[x y]
should_accept(map, key1, ref1)
should_accept(map, key1, ref1)
should_accept(map, key2, ref2)
map[key1].should == ref1
end
ruby_version_is ""..."2.7" do
it "does not accept primitive or frozen keys or values" do
map = ObjectSpace::WeakMap.new
x = Object.new
-> { map[true] = x }.should raise_error(ArgumentError)
-> { map[false] = x }.should raise_error(ArgumentError)
-> { map[nil] = x }.should raise_error(ArgumentError)
-> { map[42] = x }.should raise_error(ArgumentError)
-> { map[:foo] = x }.should raise_error(ArgumentError)
-> { map[x] = true }.should raise_error(ArgumentError)
-> { map[x] = false }.should raise_error(ArgumentError)
-> { map[x] = nil }.should raise_error(ArgumentError)
-> { map[x] = 42 }.should raise_error(ArgumentError)
-> { map[x] = :foo }.should raise_error(ArgumentError)
y = Object.new.freeze
-> { map[x] = y}.should raise_error(FrozenError)
-> { map[y] = x}.should raise_error(FrozenError)
end
end
ruby_version_is "2.7" do
it "accepts primitive or frozen keys or values" do
map = ObjectSpace::WeakMap.new
x = Object.new
should_accept(map, true, x)
should_accept(map, false, x)
should_accept(map, nil, x)
should_accept(map, 42, x)
should_accept(map, :foo, x)
should_accept(map, x, true)
should_accept(map, x, false)
should_accept(map, x, 42)
should_accept(map, x, :foo)
y = Object.new.freeze
should_accept(map, x, y)
should_accept(map, y, x)
end
end
end
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