/** Annotates a public method that declares subtype assertion. */
  @RequiredModifiers(Modifier.PUBLIC)
  @Retention(RetentionPolicy.RUNTIME)
  @Target(ElementType.METHOD)
  @Keep
  @interface TestSubtype {
    /** Suppresses the assertion on {@link TypeToken#getSubtype}. */
    boolean suppressGetSubtype() default false;

    /** Suppresses the assertion on {@link TypeToken#getSupertype}. */

    assertThat(source.read(sourceBuffer, 1024)).isEqualTo(-1)
    assertThat(sourceBuffer.size).isEqualTo(0)
    source.close()
    assertThat(relay.isClosed).isTrue()
    assertFile(Relay.PREFIX_CLEAN, 13L, metadata.size, "abcdefghijklm", metadata)
  }

  @Test
  fun multipleSources() {
    val upstream = Buffer()
    upstream.writeUtf8("abcdefghijklm")

    assertEquals((Character) 'b', table.get("bar", 1));
    assertSize(3);
    assertEquals((Character) 'd', table.put("foo", 1, cellValue('d')));
    assertEquals((Character) 'd', table.get("foo", 1));
    assertSize(3);
  }

  public void testPutNull() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertSize(3);

  public void testNullPointerInstance() {}

  // put() and putAll() aren't supported.
  @Override
  public void testPut() {
    assertThrows(UnsupportedOperationException.class, () -> table.put("foo", 1, 'a'));
    assertSize(0);
  }

  @Override
  public void testPutAllTable() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    Table<String, Integer, Character> other = HashBasedTable.create();

    assertEquals((Character) 'b', table.get("bar", 1));
    assertSize(3);
    assertEquals((Character) 'd', table.put("foo", 1, cellValue('d')));
    assertEquals((Character) 'd', table.get("foo", 1));
    assertSize(3);
  }

  public void testPutNull() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertSize(3);

    check(rule.startsWith(WILDCARD_CHAR)) {
      """Wildcard Assertion Failure: '$rule'
A wildcard rule was added with a wildcard that is not in leftmost position! We'll need to change the ${PublicSuffixDatabase::class.java.name} to handle this."""
    }
    check(rule.indexOf(WILDCARD_CHAR, 1) == -1) {
      """Wildcard Assertion Failure: '$rule'

    assertTrue(table.isEmpty());
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertFalse(table.isEmpty());
  }

  public void testSize() {
    assertSize(0);
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertSize(3);
  }

  public void testEquals() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    // We know that we have only added non-null Characters.

          assertThat(test.dispatcherB.closed).isTrue()
          assertThat(test.dispatcherC.closed).isFalse() // Never started.
        }
        testInstances.clear()

        // No assertion that serverC and serverD are closed, because the MockWebServerExtension
        // runs after this callback.
        if (false) {
          assertThat(dispatcherD.closed).isTrue()

import junit.framework.Assert;
import junit.framework.AssertionFailedError;
import org.jspecify.annotations.NullMarked;

/**
 * Tests serialization and deserialization of an object, optionally asserting that the resulting
 * object is equal to the original.
 *
 * <p><b>GWT warning:</b> Under GWT, both methods simply returns their input, as proper GWT

      @Override
      public int hashCode() {
        return 1;
      }
    }
  }

  private static void assertContains(String expectedSubstring, String actual) {
    // TODO(kevinb): use a Truth assertion here
    if (!actual.contains(expectedSubstring)) {
      fail("expected <" + actual + "> to contain <" + expectedSubstring + ">");
    }
  }