throw UncheckedException.throwAsUncheckedException(t);
        }
        uncheckedClose(resource);
        return result;
    }

    /**
     * Closes the given resource rethrowing any {@link IOException} as a {@link UncheckedIOException}.
     *
     * @param resource The resource to be closed
     */
    public static void uncheckedClose(@Nullable Closeable resource) {
        try {
            if (resource != null) {

        when:
        uncheckedClose(null)

        then:
        noExceptionThrown()

        when:
        closeQuietly(null)

        then:
        noExceptionThrown()
    }

    def "can close a valid resource"() {
        def resource = Mock(Closeable)

        when:
        uncheckedClose(resource)

        then:
        1 * resource.close()

import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;

import static org.gradle.internal.Cast.uncheckedCast;
import static org.gradle.internal.IoActions.uncheckedClose;

/**
 * Creates {@link PgpSignatory} instances.
 */
public class PgpSignatoryFactory {

    private static final String[] PROPERTIES = new String[]{"keyId", "secretKeyRingFile", "password"};

import java.util.Properties;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import static java.lang.String.format;
import static org.gradle.internal.IoActions.uncheckedClose;

public final class DefaultGradleVersion extends GradleVersion {
    private static final Pattern VERSION_PATTERN = Pattern.compile("((\\d+)(\\.\\d+)+)(-(\\p{Alpha}+)-(\\w+))?(-(SNAPSHOT|\\d{14}([-+]\\d{4})?))?");