where:
        [api, pathSensitivity] << [Api.values(), [PathSensitivity.RELATIVE, PathSensitivity.ABSOLUTE, PathSensitivity.NAME_ONLY]].combinations()
    }

    def "Non-empty directories are tracked when empty directories are ignored (#api, #pathSensitivity)"() {
        createTaskWithSensitivity(DirectorySensitivity.IGNORE_DIRECTORIES, api, pathSensitivity)
        buildFile << """
            taskWithInputs {

            }
        """
    }

    static def pathSensitivityAnnotation(PathSensitivity pathSensitivity) {
        return pathSensitivity != null ? "@PathSensitive(PathSensitivity.${pathSensitivity.name()})" : ""
    }

    def createRuntimeApiTaskWithNormalization(LineEndingSensitivity lineEndingSensitivity, PathSensitivity pathSensitivity, Class<?> normalizer) {
        buildFile << """
            @CacheableTask

        this.description = name().toLowerCase(Locale.ROOT).replace('_', ' ');
    }

    public static FileNormalizer determineNormalizerForPathSensitivity(PathSensitivity pathSensitivity) {
        switch (pathSensitivity) {
            case NONE:
                return IGNORE_PATH;
            case NAME_ONLY:
                return NAME_ONLY;
            case RELATIVE:
                return RELATIVE_PATH;

    static String directorySensitivity(boolean ignoreEmptyDirectories, PathSensitivity pathSensitivity, Class<? extends FileNormalizer> normalizer) {
        ignoreEmptyDirectories && !normalizer && pathSensitivity != PathSensitivity.NONE ? "DIRECTORY_SENSITIVITY_IGNORE_DIRECTORIES" : "DIRECTORY_SENSITIVITY_DEFAULT"
    }

    static String attributeFromPathSensitivity(PathSensitivity pathSensitivity, Class<? extends FileNormalizer> normalizer) {

                import ${InputFiles.name};
                import ${PathSensitive.name};
                import ${PathSensitivity.name};
                import ${TaskAction.name};

                public abstract class ResolveTask extends DefaultTask {
                    @InputFiles
                    @PathSensitive(PathSensitivity.NONE)
                    public abstract ConfigurableFileCollection getInputSizes();

            .map(fileNormalization -> {
                if (fileNormalization instanceof PathSensitive) {
                    PathSensitivity pathSensitivity = ((PathSensitive) fileNormalization).value();
                    return InputNormalizer.determineNormalizerForPathSensitivity(pathSensitivity);
                } else if (fileNormalization instanceof Classpath) {
                    return InputNormalizer.RUNTIME_CLASSPATH;

import org.gradle.api.DefaultTask
import org.gradle.api.file.DirectoryProperty
import org.gradle.api.tasks.InputDirectory
import org.gradle.api.tasks.PathSensitive
import org.gradle.api.tasks.PathSensitivity
import org.gradle.api.tasks.TaskAction
import org.gradle.work.DisableCachingByDefault

/**

import org.gradle.api.file.DirectoryProperty
import org.gradle.api.tasks.CacheableTask
import org.gradle.api.tasks.InputDirectory
import org.gradle.api.tasks.PathSensitive
import org.gradle.api.tasks.PathSensitivity
import java.io.File


/**
 * Abstract base class for [Task][org.gradle.api.Task]s that verify and manipulate the given accepted API changes file.
 */
@CacheableTask

import org.gradle.api.provider.Property;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputFiles;
import org.gradle.api.tasks.Nested;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.api.tasks.TaskAction;
import org.gradle.deployment.internal.DeploymentRegistry;
import org.gradle.internal.deployment.JavaApplicationHandle;
import org.gradle.jvm.toolchain.JavaLauncher;

            class ConsumerTask extends DefaultTask {
                @InputFile @PathSensitive(PathSensitivity.NONE) File regularFile
                @InputDirectory @PathSensitive(PathSensitivity.NONE) File emptyDir
                @InputDirectory @PathSensitive(PathSensitivity.NONE) File singleFileInDir
                @InputDirectory @PathSensitive(PathSensitivity.NONE) File manyFilesInDir
                @OutputFile File output