1 * transform.transform(someValue()) >> someOtherValue()
        0 * transform._

        when:
        def result = mapped.get()

        then:
        result == someOtherValue()

        and:
        1 * transform.transform(someValue()) >> someOtherValue()
        0 * transform._

        when:
        assert mapped.getOrNull() == someOtherValue()

        when:
        property.replace { it.map { someOtherValue() } }

        then:
        property.get() == someOtherValue()
    }

    def "replace can modify property with convention"() {
        given:
        def property = property().convention(someValue())

        when:
        property.replace { it.map { someOtherValue() } }

        then:
        property.get() == someOtherValue()

    }

    @Override
    Class<Integer> type() {
        return Integer
    }

    @Override
    Integer someValue() {
        return 23
    }

    @Override
    Integer someOtherValue() {
        return 88
    }

    @Override
    Integer someOtherValue2() {
        return 146
    }

    @Override
    Integer someOtherValue3() {
        return 1024
    }