assertThat(graph.removeNode(nodeList.get(i))).isTrue();
      }

      assertThat(graph.nodes()).hasSize(NUM_NODES - numNodesToRemove);
      // Number of edges remaining is unknown (node's incident edges have been removed).
      AbstractGraphTest.validateGraph(graph);

      for (int i = numNodesToRemove; i < NUM_NODES; ++i) {
        assertThat(graph.removeNode(nodeList.get(i))).isTrue();
      }

        NetworkBuilder.undirected().allowsParallelEdges(true).build();
    assertThat(undirectedMultigraph.addEdge(N1, N2, E12)).isTrue();
    assertThat(undirectedMultigraph.addEdge(N1, N2, E12_A)).isTrue();
    assertThat(undirectedMultigraph.addEdge(N2, N1, E21)).isTrue();
    assertThat(undirectedMultigraph.edgesConnecting(N1, N2))
        .isEqualTo(ImmutableSet.of(E12, E12_A, E21));
  }

  @Test

    assertThat("1080:0:0:0:8:800:200C:417A".canParseAsIpAddress()).isTrue()
    assertThat("1080::8:800:200C:417A".canParseAsIpAddress()).isTrue()
    assertThat("FF01::101".canParseAsIpAddress()).isTrue()
    assertThat("0:0:0:0:0:0:13.1.68.3".canParseAsIpAddress()).isTrue()
    assertThat("0:0:0:0:0:FFFF:129.144.52.38".canParseAsIpAddress()).isTrue()
    assertThat("::13.1.68.3".canParseAsIpAddress()).isTrue()

 */
package okhttp3.internal.concurrent

import assertk.assertThat
import assertk.assertions.isCloseTo
import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import assertk.assertions.isTrue
import java.lang.Thread.UncaughtExceptionHandler
import java.util.concurrent.LinkedBlockingDeque
import java.util.concurrent.ThreadFactory
import java.util.concurrent.TimeUnit
import org.junit.jupiter.api.AfterEach

    val set: MutableSet<Any> = CopyOnWriteArraySet()
    assertThat(set.add(ConnectionSpec.MODERN_TLS)).isTrue()
    assertThat(set.add(ConnectionSpec.COMPATIBLE_TLS)).isTrue()
    assertThat(set.add(ConnectionSpec.CLEARTEXT)).isTrue()
    assertThat(set.add(allTlsVersions)).isTrue()
    assertThat(set.add(allCipherSuites)).isTrue()
    allCipherSuites.hashCode()
    assertThat(allCipherSuites.equals(null)).isFalse()

import assertk.assertions.isTrue
import okhttp3.logging.internal.isProbablyUtf8
import okio.Buffer
import org.junit.jupiter.api.Test

class IsProbablyUtf8Test {
  @Test fun isProbablyUtf8() {
    assertThat(Buffer().isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeUtf8("abc").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeUtf8("new\r\nlines").isProbablyUtf8()).isTrue()

            .allowsSelfLoops(true)
            .nodeOrder(ElementOrder.<String>natural())
            .<String, Integer>immutable()
            .build();

    assertThat(emptyGraph.isDirected()).isTrue();
    assertThat(emptyGraph.allowsSelfLoops()).isTrue();
    assertThat(emptyGraph.nodeOrder()).isEqualTo(ElementOrder.<String>natural());
  }

  /**
   * Tests that the ImmutableValueGraph.Builder doesn't change when the creating ValueGraphBuilder

    )
    assertThat(cacheControl.noCache).isTrue()
    assertThat(cacheControl.noStore).isTrue()
    assertThat(cacheControl.maxAgeSeconds).isEqualTo(1)
    assertThat(cacheControl.maxStaleSeconds).isEqualTo(2)
    assertThat(cacheControl.minFreshSeconds).isEqualTo(3)
    assertThat(cacheControl.onlyIfCached).isTrue()
    assertThat(cacheControl.noTransform).isTrue()
    assertThat(cacheControl.immutable).isTrue()

    assertThat(client.webSocket!!.pong("Pong?".encodeUtf8())).isTrue()
  }

  @Test
  fun clientCanWriteMessagesAfterServerClose() {
    server.webSocket!!.close(1000, "Hello!")
    client.processNextFrame()
    client.listener.assertClosing(1000, "Hello!")
    assertThat(client.webSocket!!.send("Hi!")).isTrue()
    server.processNextFrame()
    server.listener.assertTextMessage("Hi!")
  }

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

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isTrue
import kotlin.test.Test
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.Buffer
import okio.BufferedSource
import okio.ByteString.Companion.decodeHex