# frozen_string_literal: true
require "cases/helper"
module ActiveModel
module Type
class StringTest < ActiveModel::TestCase
test "type casting" do
type = Type::String.new
assert_equal "t", type.cast(true)
assert_equal "f", type.cast(false)
assert_equal "123", type.cast(123)
end
test "type casting for database" do
type = Type::String.new
object, array, hash = Object.new, [true], { a: :b }
assert_equal object, type.serialize(object)
assert_equal array, type.serialize(array)
assert_equal hash, type.serialize(hash)
end
test "cast strings are mutable" do
type = Type::String.new
s = +"foo"
assert_equal false, type.cast(s).frozen?
assert_equal false, s.frozen?
f = -"foo"
assert_equal false, type.cast(f).frozen?
assert_equal true, f.frozen?
end
test "values are duped coming out" do
type = Type::String.new
s = "foo"
assert_not_same s, type.cast(s)
assert_equal s, type.cast(s)
assert_not_same s, type.deserialize(s)
assert_equal s, type.deserialize(s)
end
end
end
end