assume().that(graph.allowsSelfLoops()).isTrue();

    graphAsMutableGraph.putEdge(N1, N1);
    assertThat(graphAsMutableGraph.putEdge(N1, N1)).isFalse();
  }

  @Test
  public void removeEdge_antiparallelEdges() {
    assume().that(graphIsMutable()).isTrue();

    putEdge(N1, N2);
    putEdge(N2, N1);

    assertThat(graphAsMutableGraph.removeEdge(N1, N2)).isTrue();

import assertk.assertThat
import assertk.assertions.isTrue
import mockwebserver3.MockWebServer
import org.junit.jupiter.api.Test

class ExtensionMultipleTestsTest {
  @Test
  fun testClient1(
    defaultInstance: MockWebServer,
    @MockWebServerInstance("A") instanceA: MockWebServer,
  ) {
    assertThat(seenInstances.add(defaultInstance.port)).isTrue()
    assertThat(seenInstances.add(instanceA.port)).isTrue()
  }

    assume().that(graph.allowsSelfLoops()).isTrue();

    addNode(N1);
    putEdge(N1, N1);
    assertThat(graphAsMutableGraph.removeNode(N1)).isTrue();
    assertThat(graph.nodes()).isEmpty();
  }

  @Test
  public void removeEdge_existingSelfLoopEdge() {
    assume().that(graphIsMutable()).isTrue();
    assume().that(graph.allowsSelfLoops()).isTrue();

    putEdge(N1, N1);

    assertThat(Booleans.asList(ARRAY_TRUE).contains(true)).isTrue();
    assertThat(Booleans.asList(ARRAY_FALSE_TRUE).contains(false)).isTrue();
    assertThat(Booleans.asList(ARRAY_FALSE_TRUE).contains(true)).isTrue();
  }

  public void testAsListEquals() {
    assertThat(Booleans.asList(EMPTY).equals(Collections.emptyList())).isTrue();

    assertThat(Booleans.asList(ARRAY_TRUE).contains(true)).isTrue();
    assertThat(Booleans.asList(ARRAY_FALSE_TRUE).contains(false)).isTrue();
    assertThat(Booleans.asList(ARRAY_FALSE_TRUE).contains(true)).isTrue();
  }

  public void testAsListEquals() {
    assertThat(Booleans.asList(EMPTY).equals(Collections.emptyList())).isTrue();

//    assertThat(it.handshake()!!.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
      }
    }
  }

  @Test
  fun testIfSupported() {
    assertThat(PlatformRule.isCorrettoSupported).isTrue()
    assertThat(PlatformRule.isCorrettoInstalled).isTrue()
  }

    assertThat(routeSelector.hasNext()).isTrue()
    dns[PROXY_A_HOST] = dns.allocate(1)
    val selection1 = routeSelector.next()
    assertRoute(selection1.next(), address, proxyA, dns.lookup(PROXY_A_HOST, 0), PROXY_A_PORT)
    dns.assertRequests(PROXY_A_HOST)
    assertThat(selection1.hasNext()).isFalse()
    assertThat(routeSelector.hasNext()).isTrue()
    dns.clear(PROXY_B_HOST)

    assertThat(Shorts.contains(ARRAY234, (short) 1)).isFalse();
    assertThat(Shorts.contains(new short[] {(short) -1}, (short) -1)).isTrue();
    assertThat(Shorts.contains(ARRAY234, (short) 2)).isTrue();
    assertThat(Shorts.contains(ARRAY234, (short) 3)).isTrue();
    assertThat(Shorts.contains(ARRAY234, (short) 4)).isTrue();
  }

  public void testIndexOf() {
    assertThat(Shorts.indexOf(EMPTY, (short) 1)).isEqualTo(-1);

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

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

  /**
   * Tests that the ImmutableNetwork.Builder doesn't change when the creating NetworkBuilder

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

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

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