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# frozen_string_literal: true
require "cases/helper"
module ActiveModel
module Type
class ImmutableStringTest < ActiveModel::TestCase
test "cast strings are frozen" do
s = "foo"
type = Type::ImmutableString.new
assert_equal true, type.cast(s).frozen?
end
test "immutable strings are not duped coming out" do
s = "foo"
type = Type::ImmutableString.new
assert_same s, type.cast(s)
assert_same s, type.deserialize(s)
end
end
end
end
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