}

    @Test
    @DisplayName("Should get integer property with default value")
    void testGetIntWithDefault() {
        assertEquals(123, Config.getInt(testProperties, "test.int", 0));
        assertEquals(456, Config.getInt(testProperties, "nonexistent.int", 456));
        assertEquals(789, Config.getInt(testProperties, "test.invalid.int", 789));
    }

    @Test
    @DisplayName("Should get integer property")
    void testGetInt() {

def test_get_items():
    response = client.get("/items/")
    assert response.status_code == 200, response.text
    assert response.json() == [
        {"name": "Plumbus", "price": 3},
        {"name": "Portal Gun", "price": 9001},
    ]


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text

    assertThat(map.put(one, two)).isNull();
    assertThat(map.get(one)).isSameInstanceAs(two);
    map.putAll(ImmutableMap.of(two, three));
    assertThat(map.get(two)).isSameInstanceAs(three);
    assertThat(map.putIfAbsent(one, three)).isSameInstanceAs(two);
    assertThat(map.get(one)).isSameInstanceAs(two);
    assertThat(map.putIfAbsent(three, one)).isNull();
    assertThat(map.get(three)).isSameInstanceAs(one);

    }

    public void test_ofNull() {
        assertEquals(0, (int) StreamUtil.stream().get(s -> s.toArray().length));
        Object[] o = {};
        assertEquals(0, (int) StreamUtil.stream(o).get(s -> s.toArray().length));
        Map<Object, Object> map = new HashMap<Object, Object>();
        assertEquals(0, (int) StreamUtil.stream(map).get(s -> s.toArray().length));
    }

    public void test_ofMap() {

                try {
                    return cache.get(propertyKey,
                            () -> System.getProperty(Constants.FESS_CONFIG_PREFIX + propertyKey, super.get(propertyKey)));
                } catch (final ExecutionException e) {
                    return super.get(propertyKey);
                }
            }
        };
    }

  public void testGet_valid() {
    // This calls get() on each index and checks the result:
    expectContents(createOrderedArray());
  }

  public void testGet_negative() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().get(-1));
  }

  public void testGet_tooLarge() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().get(getNumElements()));
  }

            result.setBoost(DfTypeUtil.toFloat(source.get("boost")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setPermissions(toStringArray(source.get("permissions")));
            result.setReading(DfTypeUtil.toString(source.get("reading")));

    result = Maps.fromProperties(testProp);
    assertEquals(4, result.size());
    assertEquals("true", result.get("first"));
    assertEquals("", result.get("test"));
    assertEquals("2", result.get("second"));
    assertEquals("item :   a short  phrase   ", result.get("Third"));
    assertFalse(result.containsKey("not here"));

    // Test loading system properties

    /**
     * Get handle information by path
     * @param path the file path
     * @return the handle info or null if not found
     */
    public HandleInfo getHandleByPath(String path) {
        lock.readLock().lock();
        try {
            return handles.get(path);
        } finally {
            lock.readLock().unlock();
        }
    }

    /**
     * Get the number of active handles

    /**
     * Checks if the unregistration was successful.
     *
     * @return true if successful
     */
    public boolean isSuccess() {
        return returnCode == 0;
    }

    /**
     * Gets a human-readable error description.
     *
     * @return the error description
     */
    public String getError() {
        return error != null ? error : "Error code: " + returnCode;
    }

    /**