} else {
            return compareTo(new DefaultArtifactVersion(otherVersion.toString()));
        }
    }

    @Override
    public int getMajorVersion() {
        return majorVersion != null ? majorVersion : 0;
    }

    @Override
    public int getMinorVersion() {
        return minorVersion != null ? minorVersion : 0;
    }

    @Override
    public int getIncrementalVersion() {

          SSLContext.getInstance("TLS")
        }
    }

  companion object {
    val isAvailable: Boolean

    val majorVersion = System.getProperty("java.specification.version")?.toIntOrNull()

    init {
      isAvailable =
        if (majorVersion != null) {
          majorVersion >= 9
        } else {
          try {
            // also present on JDK8 after build 252.

    val response = client.newCall(request).execute()

    response.use {
      assertEquals(200, response.code)
      if (PlatformVersion.majorVersion > 11) {
        assertEquals(TlsVersion.TLS_1_3, response.handshake?.tlsVersion)
      }
      if (PlatformVersion.majorVersion > 8) {
        assertEquals(Protocol.HTTP_2, response.protocol)
      }

      assertThat(
        response.connection
          .socket()

  }

  @Test
  fun testGreenCase() {
  }

  @Test
  fun testGreenCaseFailingOnLater() {
    platform.expectFailureFromJdkVersion(PlatformVersion.majorVersion + 1)
  }

  @Test
  fun failureCase() {
    platform.expectFailureFromJdkVersion(PlatformVersion.majorVersion)

    check(false)
  }

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.testing

object PlatformVersion {
  val majorVersion: Int by lazy {
    when (val jvmSpecVersion = getJvmSpecVersion()) {
      "1.8" -> 8
      else -> jvmSpecVersion.toInt()
    }
  }

    assertThat(recorded.headers["Accept-Encoding"]).isNull() // No built-in gzip.
    assertThat(recorded.headers["Connection"]).isEqualTo("Upgrade, HTTP2-Settings")
    if (PlatformVersion.majorVersion < 19) {
      assertThat(recorded.headers["Content-Length"]).isEqualTo("0")
    }
    assertThat(recorded.headers["HTTP2-Settings"]).isNotNull()

    platform.assumeNotBouncyCastle()
  }

  @Test
  fun testSessionReuse(tlsVersion: String = burstValues("TLSv1.2", "TLSv1.3")) {
    if (tlsVersion == TlsVersion.TLS_1_3.javaName) {
      assumeTrue(PlatformVersion.majorVersion != 8)
    }

    val sessionIds = mutableListOf<String>()

    enableTls()

    val tlsVersion = TlsVersion.forJavaName(tlsVersion)
    val spec =
      ConnectionSpec

                VersionNumber.version(version.major, version.minor)
            }.map { (_, versions) ->
                versions.last()
            }
            val gradleMajor = VersionNumber.version(currentGradleVersion.majorVersion)
            val minimumFallback = when {

                allMinorLatests.any { it.major >= gradleMajor.major && it.isStable } -> {
                    validateMinimumSupported(minimumSupported, gradleMajor)