assertTrue("Heap contains 1", mmHeap.remove(1));
    assertFalse("Heap does not contain 1", mmHeap.contains(1));
    assertTrue("Heap contains 2", mmHeap.remove(2));
    assertEquals(0, mmHeap.size());
    assertFalse("Heap does not contain anything", mmHeap.contains(1));
    assertFalse("Heap does not contain anything", mmHeap.remove(2));
  }

  public void testIteratorPastEndException() {

        assertNotNull(DosError.DOS_ERROR_CODES, "DOS_ERROR_CODES should be non‑null");
        assertTrue(DosError.DOS_ERROR_CODES.length > 0, "DOS_ERROR_CODES should contain at least one mapping");
    }

    @Test
    @DisplayName("Each error code mapping contains exactly two ints")
    void testEachPairLength() {
        for (int i = 0; i < DosError.DOS_ERROR_CODES.length; i++) {
            int[] pair = DosError.DOS_ERROR_CODES[i];

    }
  }

  /**
   * Returns {@code true} if this queue contains the specified element. More formally, returns
   * {@code true} if and only if this queue contains at least one element {@code e} such that {@code
   * o.equals(e)}.
   *
   * @param o object to be checked for containment in this queue
   * @return {@code true} if this queue contains the specified element
   */

        } catch (IllegalStateException e) {
            // Expected when container is not initialized
            assertTrue(e.getMessage().contains("Not initialized"));
        }
    }

    public void test_getName() {
        // Initialize without container
        emptyGenerator = new EmptyGenerator();

        // Test default name (null)
        assertNull(emptyGenerator.getName());

    @Test
    @DisplayName("happy: toString contains class info and field values")
    void testToStringContainsAllInfo() {
        int fid = 256;
        long lwt = 9876543210L;
        SmbComClose close = new SmbComClose(fid, lwt);
        String s = close.toString();
        assertTrue(s.startsWith("SmbComClose["), "string should start with class name");
        assertTrue(s.contains("fid=" + fid), "string should contain the fid value");

    Version getRecommendedVersion();

    /**
     * Determines whether the specified version is contained within this constraint.
     *
     * @param version the version to test, must not be {@code null}
     * @return {@code true} if this range contains the specified version, {@code false} otherwise
     */
    boolean contains(@Nonnull Version version);

    /**
     * {@return the string representation of this version}
     */

  }

  /**
   * Returns {@code true} if {@code iterable} contains any element {@code o} for which {@code
   * Objects.equals(o, element)} would return {@code true}. Otherwise returns {@code false}, even in
   * cases where {@link Collection#contains} might throw {@link NullPointerException} or {@link
   * ClassCastException}.
   */
  public static boolean contains(Iterable<?> iterable, @Nullable Object element) {

						<option value="html" <c:if test="${as.filetype.contains('html')}">selected</c:if>><la:message
								key="labels.advance_search_filetype_html"
							/></option>
						<option value="pdf" <c:if test="${as.filetype.contains('pdf')}">selected</c:if>><la:message
								key="labels.advance_search_filetype_pdf"
							/></option>
						<option value="word" <c:if test="${as.filetype.contains('word')}">selected</c:if>><la:message

        org.junit.jupiter.api.Assertions.assertTrue(actualString.contains("command=SMB_COM_CREATE_DIRECTORY"),
                "String should contain the command name.");
        org.junit.jupiter.api.Assertions.assertTrue(actualString.contains("directoryName=myDir"),
                "String should contain the directory name.");

    assertFalse(
        "multiset.entrySet() contains [missing, 0]",
        getMultiset().entrySet().contains(Multisets.immutableEntry(e3(), 0)));
  }

  public void testEntrySet_contains_nonentry() {
    assertFalse(
        "multiset.entrySet() contains a non-entry", getMultiset().entrySet().contains(e0()));
  }

  public void testEntrySet_twice() {
    assertEquals(