}

    def "cannot assign a non-managed instance to a property of a managed type"() {
        when:
        buildScript '''
            @Managed
            interface Platform {
                OperatingSystem getOperatingSystem()
                void setOperatingSystem(OperatingSystem operatingSystem)
            }

            @Managed
            interface OperatingSystem {

            import org.gradle.model.Managed

            @Managed
            interface ManagedType {
                $someType.canonicalName getManagedProperty()
            }

        """

        then:
        failWhenRealized(clazz, Pattern.quote("Invalid managed model type 'ManagedType': read only property 'managedProperty' has non managed type ${fullyQualifiedNameOf(someType)}, only managed types can be used"))

        then:
        fails 'tasks'

        and:
        failure.assertHasCause("Calling setters of a managed type on itself is not allowed")
    }

    def "reports managed abstract type in missing property error message"() {
        when:
        buildScript '''
            @Managed
            abstract class Person {
                abstract String getName()

        output.contains "setStrings: [[a], [b]]"
    }

    def "managed model type has property of collection of managed types"() {
        when:
        buildScript '''
            @Managed
            interface Person {
              String getName()
              void setName(String string)
            }

            @Managed
            interface Group {
              String getName()

type NoopManager struct{}

func (NoopManager) Apply(liveObj, appliedObj runtime.Object, managed internal.Managed, fieldManager string, force bool) (runtime.Object, internal.Managed, error) {
	return nil, managed, nil
}

func (NoopManager) Update(liveObj, newObj runtime.Object, managed internal.Managed, manager string) (runtime.Object, internal.Managed, error) {
	return nil, nil, nil
}

    }

    @Managed
    static interface BooleanGetter1 {
        boolean getFlag()
    }

    @Managed
    static interface BooleanGetter2 {
        boolean isFlag()
    }

    @Managed
    static interface BooleanGetter3 {
        boolean getFlag()

        boolean isFlag()
    }

    @Managed

    }

    def "managed types can have cyclical managed type references where more than two types constitute the cycle"() {
        when:
        buildScript '''
            @Managed
            interface A {
                String getName()
                void setName(String name)

                B getB()
            }

            @Managed
            interface B {
                C getC()

					versionedSet.Applied(),
				)
				f[manager] = newVersionedSet
				t[manager] = decodedParentEntries.Times()[manager]
			}
		} else {
			// Field wasn't stolen, let's keep the entry as it is.
			f[manager] = versionedSet
			t[manager] = decodedParentEntries.Times()[manager]
			delete(scaleFields, manager)
		}
	}

	for manager, versionedSet := range scaleFields {

                        assert components*.name == ["managed", "unmanaged"]
                        assert components.withType(ComponentSpec)*.name == ["managed", "unmanaged"]
                        assert components.withType(UnmanagedComponentSpec)*.name == ["managed", "unmanaged"]
                        assert components.withType(ManagedComponentSpec)*.name == ["managed"]

        fails "components"
        failure.assertHasCause "Invalid managed model type SampleBinary: @Variant annotation only allowed for properties of type String and org.gradle.api.Named, but property has type java.lang.Integer (invalid property: variantProp)"
    }

    def "variant annotation on property with primitive type raises error"() {
        buildFile << """
        @Managed
        interface SampleBinary extends BinarySpec {