private final Context context;
    private final Function<Diagnostic<? extends JavaFileObject>, String> messageFormatter;

    private int errorCount = 0;
    private int warningCount = 0;

    DiagnosticToProblemListener(InternalProblemReporter problemReporter, Context context, Function<Diagnostic<? extends JavaFileObject>, String> messageFormatter) {
        this.problemReporter = problemReporter;

        }

        @Override
        public CompilationTask getTask(Writer out, JavaFileManager fileManager, DiagnosticListener<? super JavaFileObject> diagnosticListener, Iterable<String> options, Iterable<String> classes, Iterable<? extends JavaFileObject> compilationUnits) {
            return delegate.getTask(out, fileManager, diagnosticListener, options, classes, compilationUnits);
        }

        @Override

    JavacTask getTask(
        @Nullable Writer out,
        JavaFileManager fileManager,
        DiagnosticListener<? super JavaFileObject> diagnosticListener,
        Iterable<String> options,
        Iterable<String> classes,
        Iterable<? extends JavaFileObject> compilationUnits,
        Context context
    );

 */

package org.gradle.api.internal.tasks.compile


import org.gradle.api.problems.internal.InternalProblemSpec
import spock.lang.Specification

import javax.tools.Diagnostic
import javax.tools.JavaFileObject

class DiagnosticToProblemListenerTest extends Specification {

    def spec = Mock(InternalProblemSpec) {
        // We report the formatted message in all cases

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.inject.Inject;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import java.io.Serializable;
import java.nio.charset.Charset;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import java.util.Optional;

                        import javax.lang.model.element.TypeElement;
                        import javax.lang.model.SourceVersion;
                        import javax.tools.JavaFileObject;

                        @SupportedAnnotationTypes("com.test.SimpleAnnotation")
                        public class SimpleAnnotationProcessor extends AbstractProcessor {
                            @Override