* limitations under the License.
 */

package org.gradle.api.internal.file.collections;

import com.google.common.collect.ImmutableSet;
import org.gradle.api.Buildable;
import org.gradle.api.Task;
import org.gradle.api.file.DirectoryTree;
import org.gradle.api.internal.file.AbstractOpaqueFileCollection;
import org.gradle.api.internal.file.CompositeFileCollection;

        InputFile      | "file"
    }

    @Issue("https://github.com/gradle/gradle/issues/3792")
    def "task dependency is discovered via Buildable input files"() {
        buildFile << """
            @groovy.transform.TupleConstructor
            class BuildableArtifact implements Buildable, Iterable<File> {
                FileCollection files

                Iterator<File> iterator() {
                    files.iterator()

    }

    def "reports problem on #expr buildDependencies.getDependencies(...)"() {
        given:
        buildFile << """
            $setup
            def buildable = $expr
            configurations.create("test")
            println(buildable.buildDependencies.getDependencies(null))
        """

        when:
        if (expr == "dependencies.project([path: ':', configuration: 'test'])") {

// containing no buildable Go source files. (It may still contain
// test files, files hidden by build tags, and so on.)
type NoGoError struct {
	Dir string
}

func (e *NoGoError) Error() string {
	return "no buildable Go source files in " + e.Dir
}

// MultiplePackageError describes a directory containing
// multiple buildable Go source files for multiple packages.

 *
 * <li>A {@link Task}.</li>
 *
 * <li>A {@link TaskDependency} object.</li>
 *
 * <li>A {@link org.gradle.api.tasks.TaskReference} object.</li>
 *
 * <li>A {@link Buildable} object.</li>
 *
 * <li>A {@link org.gradle.api.file.RegularFileProperty} or {@link org.gradle.api.file.DirectoryProperty}.</li>
 *
 * <li>A {@link Provider} object. May contain any of the types listed here.</li>
 *