File("before.gradle.kts") to TestHashCodes.hashCodeFrom(2),
                    File("other.gradle.kts") to TestHashCodes.hashCodeFrom(3)
                ),
                to = listOf(
                    File("init.gradle.kts") to TestHashCodes.hashCodeFrom(1),
                    File("after.gradle.kts") to TestHashCodes.hashCodeFrom(42),

        when:
        index.store(key, null, TestHashCodes.hashCodeFrom(0))

        then:
        def e = thrown(IllegalArgumentException)
        e.message == "artifactFile cannot be null"
    }

    def "artifact key must be provided"() {
        when:
        index.store(null, Stub(File), TestHashCodes.hashCodeFrom(0))

        then:
        def e = thrown(IllegalArgumentException)

    def managedFactoryRegistry = TestUtil.managedFactoryRegistry()
    def classLoaderHasher = Stub(ClassLoaderHierarchyHasher) {
        getClassLoaderHash(_) >> TestHashCodes.hashCodeFrom(123)
    }
    IsolatableFactory isolatableFactory = new DefaultIsolatableFactory(classLoaderHasher, managedFactoryRegistry)
    InstantiatorFactory instantiatorFactory = TestUtil.instantiatorFactory()