}
}

val testJavaVersion = System.getProperty("test.java.version", "21").toInt()

tasks.withType<Test> {
  useJUnitPlatform()

  enabled = testJavaVersion > 8

  javaLauncher.set(javaToolchains.launcherFor {
    languageVersion.set(JavaLanguageVersion.of(testJavaVersion))
  })
}

java {
  sourceCompatibility = JavaVersion.VERSION_11
  targetCompatibility = JavaVersion.VERSION_11
  toolchain {

                // JDK we are targeting in order to see the correct standard lib classes
                // during compilation
                javaLauncher = javaToolchains.launcherFor {
                    languageVersion = targetJvmVersion.map { JavaLanguageVersion.of(it) }
                }
            }
        }

      jvmArgs(
        "-Djdk.tracePinnedThreads=short",
      )
    }

    val javaToolchains = project.extensions.getByType<JavaToolchainService>()
    javaLauncher.set(javaToolchains.launcherFor {
      languageVersion.set(JavaLanguageVersion.of(testJavaVersion))
    })

    maxParallelForks = Runtime.getRuntime().availableProcessors() * 2
    testLogging {
      exceptionFormat = TestExceptionFormat.FULL

            includeSpockAnnotation("org.gradle.test.fixtures.Flaky")
        }
    }
}

fun Test.runWithJavaVersion(testJvmVersion: JavaLanguageVersion) {
    javaLauncher = project.javaToolchains.launcherFor {
        languageVersion = testJvmVersion
        if (project.testJavaVendor.isPresent) {
            vendor = project.testJavaVendor
        }
    }

    if (testJvmVersion.canCompileOrRun(9)) {