val page2 = server.takeRequest()
    assertThat(page2.requestLine).isEqualTo("GET /page2 HTTP/1.1")
    assertThat(page2.headers["Content-Length"]).isNull()
    assertThat(page2.headers["Content-Type"]).isNull()
    assertThat(page2.headers["Transfer-Encoding"]).isNull()
  }

  @Test
  fun response305UseProxy() {
    server.enqueue(
      MockResponse(
        code = HttpURLConnection.HTTP_USE_PROXY,

    File file = root();
    assertThat(file.getParentFile()).isNull();
    assertThat(file.getCanonicalFile().getParentFile()).isNull();
    Files.createParentDirs(file);
  }

  public void testCreateParentDirs_relativePath() throws IOException {
    File file = file("nonexistent.file");
    assertThat(file.getParentFile()).isNull();
    assertThat(file.getCanonicalFile().getParentFile()).isNotNull();

        // don't let the new entry get GCed
        warmed.add(entryOf(entry.getKey(), newValue));
        Object newKey = new Object();
        assertThat(cache.asMap().put(newKey, entry.getValue())).isNull();
        // this getUnchecked() call shouldn't be a cache miss; verified below
        assertThat(cache.getUnchecked(entry.getKey())).isEqualTo(newValue);
        assertThat(cache.getUnchecked(newKey)).isEqualTo(entry.getValue());

    sendRequest(methodName, arguments);
    Thread.sleep(DUE_DILIGENCE_MILLIS);
    assertEquals(true, invokeMethod("hasQueuedThread", this));
    assertThat(responseQueue.poll()).isNull();
  }

  /**
   * Causes this thread to call the named method, and asserts that this thread thereby waits on the
   * given condition-like object. The lock-like object must have a method equivalent to {@link

    assertTrue(future.isCancelled());
  }

  public void testAwaitClear() {
    WeakReference<Object> ref = new WeakReference<>(new Object());
    GcFinalization.awaitClear(ref);
    assertThat(ref.get()).isNull();
  }

  public void testAwaitDone_finalizationPredicate() {
    WeakHashMap<Object, Object> map = new WeakHashMap<>();
    map.put(new Object(), Boolean.TRUE);
    GcFinalization.awaitDone(

    assertFalse(queue.remove("hi"));
    assertEquals(0, queue.size());

    assertThrows(NoSuchElementException.class, () -> queue.element());

    assertThat(queue.peek()).isNull();
    assertThat(queue.poll()).isNull();
    assertThrows(NoSuchElementException.class, () -> queue.remove());
  }

  public void testRemainingCapacity_maxSize0() {
    EvictingQueue<String> queue = EvictingQueue.create(0);

    assertTrue(future.isCancelled());
  }

  public void testAwaitClear() {
    WeakReference<Object> ref = new WeakReference<>(new Object());
    GcFinalization.awaitClear(ref);
    assertThat(ref.get()).isNull();
  }

  public void testAwaitDone_finalizationPredicate() {
    WeakHashMap<Object, Object> map = new WeakHashMap<>();
    map.put(new Object(), Boolean.TRUE);
    GcFinalization.awaitDone(

   * null.
   *
   * <p><b>Discouraged:</b> Prefer using either {@code x -> x == null} or {@code Objects::isNull},
   * but note that lambdas and method references do not have human-readable {@link #toString()}
   * representations and are not serializable.
   */
  public static <T extends @Nullable Object> Predicate<T> isNull() {
    return ObjectPredicate.IS_NULL.withNarrowedType();
  }

  /**

    if (chunk1 > 0) {
      write(out, data, 0, chunk1, singleByte);
      assertTrue(ByteSource.wrap(data).slice(0, chunk1).contentEquals(source));
    }
    File file = out.getFile();
    assertThat(file).isNull();

    // Write data to go over the threshold
    if (chunk2 > 0) {
      write(out, data, chunk1, chunk2, singleByte);
      file = out.getFile();
      assertEquals(dataSize, file.length());

 * limitations under the License.
 */
package okhttp3.internal.http

import assertk.assertThat
import assertk.assertions.containsExactly
import assertk.assertions.isEqualTo
import assertk.assertions.isNull
import assertk.assertions.isTrue
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.CallEvent.CallEnd