Builder<String, Integer> builder = new Builder<>();
    assertThrows(
        NullPointerException.class, () -> builder.put(new SimpleEntry<String, Integer>(null, 1)));
    builder.put("foo", 2);
    assertMapEquals(builder.buildOrThrow(), "foo", 2);
  }

  public void testBuilderPutNullKey() {
    Builder<String, Integer> builder = new Builder<>();

		_, err := w.ImportFrom("p", "", 0)
		if _, nogo := err.(*build.NoGoError); !nogo {
			t.Errorf("expected *build.NoGoError, got %T", err)
		}
	}
}

func TestIssue41358(t *testing.T) {
	if *flagCheck {
		// slow, not worth repeating in -check
		t.Skip("skipping with -check set")
	}
	testenv.MustHaveGoBuild(t)
	context := new(build.Context)
	*context = build.Default

   * System#getProperty system property}.
   */
  // TODO(b/65488446): Make this a public API.
  static URL[] parseJavaClassPath() {
    ImmutableList.Builder<URL> urls = ImmutableList.builder();
    for (String entry : Splitter.on(PATH_SEPARATOR.value()).split(JAVA_CLASS_PATH.value())) {
      try {
        try {
          urls.add(new File(entry).toURI().toURL());

            }
            xml.append("        </plugins>\n");
            xml.append("    </build>\n");
        }

        xml.append("</project>\n");
        return xml.toString();
    }

    public Document buildDocument() {
        try {
            String xmlContent = build();
            Editor editor = new Editor(Document.of(xmlContent));
            return editor.document();

   * System#getProperty system property}.
   */
  // TODO(b/65488446): Make this a public API.
  static URL[] parseJavaClassPath() {
    ImmutableList.Builder<URL> urls = ImmutableList.builder();
    for (String entry : Splitter.on(PATH_SEPARATOR.value()).split(JAVA_CLASS_PATH.value())) {
      try {
        try {
          urls.add(new File(entry).toURI().toURL());

@RunWith(AndroidJUnit4.class)
public class OkHttpClientTest {
  @Test public void get() throws IOException {
    OkHttpClient client = new OkHttpClient();
    Request request = new Request.Builder()
        .url("https://google.com/robots.txt")
        .build();
    try (Response response = client.newCall(request).execute()) {
      assertEquals(200, response.code());
      assertEquals(Protocol.HTTP_2, response.protocol());
    }
  }

import okhttp3.Request
import okhttp3.Response

class AsynchronousGet {
  private val client = OkHttpClient()

  fun run() {
    val request =
      Request
        .Builder()
        .url("http://publicobject.com/helloworld.txt")
        .build()

    client.newCall(request).enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {

  val ipv4 = InetAddress.getByName("203.0.113.1")
  val ipv6 = InetAddress.getByName("2001:db8:ffff:ffff:ffff:ffff:ffff:1")

  val refusedStream =
    MockResponse
      .Builder()
      .onRequestStart(CloseStream(ErrorCode.REFUSED_STREAM.httpCode))
      .build()
  val bodyResponse = MockResponse(body = "body")

  @BeforeEach
  fun setUp() {
    socketFactory = SpecificHostSocketFactory(InetSocketAddress(server1.hostName, server1.port))

import junit.framework.TestSuite;

/**
 * This builder creates a composite test suite, containing a separate test suite for each {@link
 * CollectionSize} present in the features specified by {@link #withFeatures(Feature...)}.
 *
 * @param <B> The concrete type of this builder (the 'self-type'). All the Builder methods of this
 *     class (such as {@link #named(String)}) return this type, so that Builder methods of more

    graph = ValueGraphBuilder.directed().build();
    graph.putEdgeValue(1, 2, "A");
    graph.putEdgeValue(3, 4, "B");
    graph.putEdgeValue(5, 6, "C");

    int threadCount = 20;
    ExecutorService executor = newFixedThreadPool(threadCount);
    CyclicBarrier barrier = new CyclicBarrier(threadCount);
    ImmutableList.Builder<Future<?>> futures = ImmutableList.builder();
    for (int i = 0; i < threadCount; i++) {