import java.util.stream.Stream;

public class WindowsInstallationSupplier implements InstallationSupplier {

    private final WindowsRegistry windowsRegistry;
    private final OperatingSystem os;

    public WindowsInstallationSupplier(WindowsRegistry registry, OperatingSystem os) {
        this.windowsRegistry = registry;
        this.os = os;
    }

    @Override
    public String getSourceName() {

        given:
        registry.getSubkeys(WindowsRegistry.Key.HKEY_LOCAL_MACHINE, "SOFTWARE\\AdoptOpenJDK\\JDK") >> [
            "8.0",
            "9.0-abc"
        ]
        registry.getStringValue(WindowsRegistry.Key.HKEY_LOCAL_MACHINE, "SOFTWARE\\AdoptOpenJDK\\JDK\\8.0\\hotspot\\MSI", "Path") >> "c:\\jdk8"

            return new DefaultWindowsSdkLocator(os, windowsRegistry, systemInfo);
        }

        @Provides
        VisualCppMetadataProvider createVisualCppMetadataProvider(WindowsRegistry windowsRegistry) {
            return new DefaultVisualCppMetadataProvider(windowsRegistry);
        }

        @Provides

    @Requires(UnitTestPreconditions.NotWindows)
    def "try using a WindowsRegistry on a non-Windows OS"() {
        def service = services.get(WindowsRegistry)
        when:
        service.getSubkeys(WindowsRegistry.Key.HKEY_LOCAL_MACHINE, "SOFTWARE\\AdoptOpenJDK\\JDK")
        then:
        def e = thrown(NativeIntegrationUnavailableException)
        e.message == "Service 'WindowsRegistry' is not available (os=${OperatingSystem.current()}, enabled=true)."

        }
        return jvms;
    }

    private static List<InstallationSupplier> defaultInstallationSuppliers(ToolchainConfiguration toolchainConfiguration) {
        WindowsRegistry windowsRegistry = NativeServicesTestFixture.getInstance().get(WindowsRegistry.class);
        return Lists.newArrayList(
            new AsdfInstallationSupplier(toolchainConfiguration),

        return new FallbackConsoleDetector();
    }

    @Provides
    protected WindowsRegistry createWindowsRegistry(OperatingSystem operatingSystem) {
        if (useNativeIntegrations && operatingSystem.isWindows()) {
            return net.rubygrapefruit.platform.Native.get(WindowsRegistry.class);
        }
        return notAvailable(WindowsRegistry.class, operatingSystem);
    }

    @Provides