import org.junit.jupiter.api.Assertions
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.io.TempDir
import java.io.File
import java.io.StringWriter


abstract class AbstractAcceptedApiChangesMaintenanceTaskIntegrationTest {
    @TempDir
    lateinit var projectDir: File
    lateinit var acceptedApiChangesFile: File

    @BeforeEach
    fun setUp() {
        projectDir.resolve("src").resolve("changes").mkdirs()

import org.gradle.api.tasks.PathSensitivity


/**
 * Abstract base class for [Task][org.gradle.api.Task]s that verify and manipulate the given accepted API changes file.
 */
@CacheableTask
abstract class AbstractAcceptedApiChangesMaintenanceTask : DefaultTask() {
    @get:InputFile
    @get:PathSensitive(PathSensitivity.NONE)
    abstract val apiChangesFile: RegularFileProperty

    protected
    fun loadChanges(): List<AcceptedApiChange> {

import com.google.gson.Gson
import org.gradle.testkit.runner.TaskOutcome
import org.junit.jupiter.api.Assertions
import org.junit.jupiter.api.Test


class SortAcceptedApiChangesTaskIntegrationTest : AbstractAcceptedApiChangesMaintenanceTaskIntegrationTest() {
    @Test
    fun `verify misordered changes can be sorted`() {
        //language=JSON
        acceptedApiChangesFile.writeText(
            """
                {

 * so that they are alphabetically sorted (by type, then member).
 */
@CacheableTask
abstract class SortAcceptedApiChangesTask : AbstractAcceptedApiChangesMaintenanceTask() {

    @TaskAction
    fun execute() {
        val sortedChanges = sortChanges(loadChanges())
        val json = formatChanges(sortedChanges)

 * limitations under the License.
 */

package gradlebuild.binarycompatibility

import org.junit.jupiter.api.Test


class AlphabeticalAcceptedApiChangesTaskIntegrationTest : AbstractAcceptedApiChangesMaintenanceTaskIntegrationTest() {
    @Test
    fun `verify AlphabeticalAcceptedApiChangesTask detects misordered changes`() {
        //language=JSON
        acceptedApiChangesFile.writeText(
            """
                {

 * are present in alphabetical order (by type, then member), and throws an exception and reports
 * any changes that are not.
 */
@CacheableTask
abstract class AlphabeticalAcceptedApiChangesTask : AbstractAcceptedApiChangesMaintenanceTask() {
    @TaskAction
    fun execute() {
        val originalChanges = loadChanges()
        val sortedChanges = sortChanges(originalChanges)

                    // requires 1 or -1 specifically and ignores higher or lower values.  This sort ought to remain consistent
                    // with the sort used by AbstractAcceptedApiChangesMaintenanceTask.
                    result.acceptedApiChanges.sort((a, b) => { 
                        if ((a.type +'#' + a.member) > (b.type + '#' + b.member)) {
                            return 1;