assertTrue("containsKey(present) should return true", getMap().containsKey(k0()));
  }

  public void testContains_no() {
    assertFalse("containsKey(notPresent) should return false", getMap().containsKey(k3()));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)
  public void testContains_nullNotContainedButAllowed() {
    assertFalse("containsKey(null) should return false", getMap().containsKey(null));
  }

        // Should still not be expired
        assertFalse(auth.isExpired());

        // Wait for original TTL to pass
        Thread.sleep(600);

        // Should still not be expired because we reset
        assertFalse(auth.isExpired());

        // Wait for the full TTL since reset
        Thread.sleep(500);

        // Now it should be expired
        assertTrue(auth.isExpired());

  public void testGetOrDefault_present() {
    assertEquals(
        "getOrDefault(present, def) should return the associated value",
        v0(),
        getMap().getOrDefault(k0(), v3()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testGetOrDefault_presentNullDefault() {
    assertEquals(
        "getOrDefault(present, null) should return the associated value",
        v0(),
        getMap().getOrDefault(k0(), null));
  }

        assertEquals(24, bytesDecoded, "Should decode exactly 24 bytes");
        assertEquals(0, response.getCapabilities(), "Capabilities should be zero");
        assertArrayEquals(new byte[16], response.getServerGuid(), "Server GUID should be all zeros");
        assertEquals(0, response.getSecurityMode(), "Security mode should be zero");
        assertEquals(0, response.getDialect(), "Dialect should be zero");
    }

    @Test

                "Default message should match the class contract");
        assertNull(ex.getCause(), "No cause expected from default constructor");
        assertTrue(ex instanceof SmbException, "Should be an SmbException");

        // toString should include the class name and the message
        String ts = ex.toString();

  @CollectionSize.Require(absent = ZERO)
  public void testRemove_present() {
    int initialSize = getMap().size();
    assertEquals("remove(present) should return the associated value", v0(), getMap().remove(k0()));
    assertEquals(
        "remove(present) should decrease a map's size by one.", initialSize - 1, getMap().size());
    expectMissing(e0());
  }

    }

    /**
     * Test the writeParameterWordsWireFormat method.
     * This method should do nothing and return 0.
     */
    @Test
    void testWriteParameterWordsWireFormat() {
        byte[] dst = new byte[10];
        int dstIndex = 0;
        // The method should return 0 as it writes no parameter words

	accessKey := globalActiveCred.AccessKey

	testCases := []struct {
		form     http.Header
		expected APIErrorCode
	}{
		// (0) It should fail if 'X-Amz-Credential' is missing.
		{
			form:     http.Header{},
			expected: ErrCredMalformed,
		},
		// (1) It should fail if the access key is incorrect.
		{
			form: http.Header{

        }).error(error -> {
            errorRef.set(error);
            latch.countDown();
        });

        assertTrue("Should complete within timeout", latch.await(ASYNC_TIMEOUT_SECONDS, TimeUnit.SECONDS));
        assertNotNull("Should have error", errorRef.get());
        assertTrue("Error should be RuntimeException", errorRef.get() instanceof RuntimeException);
    }

    @Test

        assertTrue(endLatch.await(10, TimeUnit.SECONDS), "All threads should complete");
        executor.shutdown();

        // Then - Session should be in consistent state
        // The double-check pattern should prevent inconsistent cleanup
        assertTrue(releaseCount.get() > 0 || acquireCount.get() > 0, "Release and acquire counts should be processed");
    }

    /**