}

    def "out-of-date when any input property value changed"() {
        when:
        execute(builder.withProperty("prop", "original value").build())
        def inputPropertiesChanged = builder.withProperty("prop", "new value").build()

        then:
        outOfDate(inputPropertiesChanged, "Value of input property 'prop' has changed for ${inputPropertiesChanged.displayName}")

        @Nested
        private SpecificProperty nestedProperty = new SpecificProperty();
        public int traversedOutputsCount;

        public SpecificProperty getNestedProperty() {
            traversedOutputsCount++;
            return nestedProperty;
        }
    }

    public interface WithProperty<T extends PropertyContainer<?>> {