assertDoesNotMatch(JvmVendorSpec.IBM, metadata)
    }

    def "matches by raw string"() {
        given:
        def metadata = Mock(JvmInstallationMetadata) {
            getVendor() >> JvmVendor.fromString("someCustomJdk")
        }

        expect:
        assertDoesNotMatch(JvmVendorSpec.IBM, metadata)
        assertDoesNotMatch(JvmVendorSpec.AMAZON, metadata)
        assertMatches(JvmVendorSpec.matching("customjdk"), metadata)