* See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.internal.cc.impl

import org.gradle.api.DefaultTask
import org.gradle.api.project.IsolatedProject
import org.gradle.api.JavaVersion
import org.gradle.api.Project
import org.gradle.api.Task
import org.gradle.api.artifacts.ArtifactView

            import org.gradle.api.*
            import org.gradle.api.tasks.*
            import org.gradle.work.*;

            @DisableCachingByDefault(because = "test task")
            class MyTask extends DefaultTask {
                @Nested
                Tree tree

                public static class Tree {
                    @Optional @Nested
                    Tree left

                    @Optional @Nested

    }

    def "input directories ignore empty directories by default (#api)"() {
        buildFile """
            @CacheableTask
            abstract class TaskWithInputs extends DefaultTask {
                ${ api == Api.ANNOTATION_API ? "@InputDirectory @PathSensitive(PathSensitivity.RELATIVE)" : "@Internal" }
                abstract DirectoryProperty getSources()

                @OutputFile

            }
        """

        buildSrcSrcDir.file("HelloWorld1.groovy") << """
            package org.gradle.test

            import org.gradle.api.DefaultTask
            import org.gradle.api.tasks.TaskAction

            class HelloWorld1 extends DefaultTask {
                @TaskAction
                void doSomething() {
                    println 'Hello world! (buildSrc)'
                }
            }

            import org.gradle.api.tasks.*;
            import org.gradle.work.*;
            import java.net.URL;

            @DisableCachingByDefault
            public abstract class MyTask extends DefaultTask {

                private final NestedBean nested = getProject().getObjects().newInstance(NestedBean.class);

                @Input
                public URL getDirect() { return null; }

                @Input

            }
        """

        pluginBuilder.file("src/main/java/org/gradle/test/SoftwareTypeImplPlugin.java") << """
            package org.gradle.test;

            import org.gradle.api.DefaultTask;
            import org.gradle.api.Plugin;
            import org.gradle.api.Project;
            import org.gradle.api.provider.ListProperty;
            import org.gradle.api.provider.Property;

        buildFile << """
            interface NestedBean {
                $annotation
                Property<ResolvedArtifactResult> getNested()
            }

            abstract class TaskWithInput extends DefaultTask {

                private final NestedBean nested = project.objects.newInstance(NestedBean.class)

                $annotation
                ResolvedArtifactResult getDirect() { null }

import org.gradle.test.preconditions.IntegTestPreconditions

class CollectionPropertyIntegrationTest extends AbstractIntegrationSpec {
    def setup() {
        buildFile """
            class MyTask extends DefaultTask {
                @Internal
                final ListProperty<String> prop = project.objects.listProperty(String)
                @Internal
                List<String> expected = []

                @TaskAction

        assertMutable("create(String)");
        return doCreate(name, DefaultTask.class, NO_ARGS, Actions.doNothing());
    }

    @Override
    public Task create(String name, Action<? super Task> configureAction) throws InvalidUserDataException {
        assertMutable("create(String, Action)");
        return doCreate(name, DefaultTask.class, NO_ARGS, configureAction);
    }

    @Override

[.multi-language-sample]
=====
.MyCustomTask.kt
[source, kotlin]
----
import org.gradle.api.DefaultTask
import org.gradle.api.tasks.TaskAction

open class MyCustomTask : DefaultTask() {
    @TaskAction
    fun calculateSum() {
        // Custom logic to calculate the sum of two numbers
        val num1 = 5
        val num2 = 7