assumeFalse(Platform.isAndroid)
    }

    fun assumeNotGraalVMImage() {
      assumeFalse(isGraalVMImage())
    }

    fun assumeJdkVersion(majorVersion: Int) {
      assumeNotAndroid()
      assumeNotGraalVMImage()
      assumeTrue(PlatformVersion.majorVersion == majorVersion)
    }

    fun androidSdkVersion(): Int? =
      if (Platform.isAndroid) {
        Build.VERSION.SDK_INT

import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory
import kotlin.test.assertFailsWith
import okhttp3.internal.applyConnectionSpec
import okhttp3.internal.platform.Platform.Companion.isAndroid
import okhttp3.testing.PlatformRule
import okhttp3.testing.PlatformVersion.majorVersion
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

class ConnectionSpecTest {

import javax.security.auth.x500.X500Principal
import okhttp3.FakeSSLSession
import okhttp3.OkHttpClient
import okhttp3.internal.canParseAsIpAddress
import okhttp3.internal.platform.Platform.Companion.isAndroid
import okhttp3.testing.PlatformRule
import okhttp3.tls.HeldCertificate
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

/**

 *
 * @author Pete Gillin
 */
@NullUnmarked
class StatsTesting {
  // TODO(cpovirk): Convince myself that this larger error makes sense.
  static final double ALLOWED_ERROR = isAndroid() ? .25 : 1e-10;

  // Inputs and their statistics:

  static final double ONE_VALUE = 12.34;

  static final double OTHER_ONE_VALUE = -56.78;

  public void testDivNonZeroExact() {
    String runtimeName = System.getProperty("java.runtime.name");
    boolean isAndroid = runtimeName != null && runtimeName.contains("Android");
    for (BigInteger p : NONZERO_BIGINTEGER_CANDIDATES) {
      for (BigInteger q : NONZERO_BIGINTEGER_CANDIDATES) {
        if (isAndroid && p.equals(BAD_FOR_ANDROID_P) && q.equals(BAD_FOR_ANDROID_Q)) {
          // https://issuetracker.google.com/issues/37074172

    // Needed because of Platform.resetForTests
    PlatformRegistry.applicationContext = ApplicationProvider.getApplicationContext<Context>()
  }

  @Test
  fun testPlatform() {
    assertTrue(Platform.isAndroid)

    if (Build.VERSION.SDK_INT >= 29) {
      assertTrue(Platform.get() is Android10Platform)
    } else {
      assertTrue(Platform.get() is AndroidPlatform)
    }
  }

  @Test