.shutdownServer(true)
        .build(),
    )
    val url = server.url("/").toUrl()
    val connection = url.openConnection() as HttpURLConnection
    assertThat(connection.responseCode).isEqualTo(HttpURLConnection.HTTP_OK)
    val refusedConnection = url.openConnection() as HttpURLConnection
    assertFailsWith<ConnectException> {
      refusedConnection.responseCode
    }.also { expected ->

 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.io;

**FastAPI** provides the same `starlette.responses` as `fastapi.responses` just as a convenience for you, the developer. But most of the available responses come directly from Starlette.

///

## Returning a custom `Response` { #returning-a-custom-response }

    val url = server.url("/").toUrl()
    val connection = url.openConnection() as HttpURLConnection
    assertThat(connection.getResponseCode()).isEqualTo(HttpURLConnection.HTTP_OK)
    val refusedConnection = url.openConnection() as HttpURLConnection
    assertFailsWith<ConnectException> {
      refusedConnection.getResponseCode()
    }.also { expected ->

        // so specify this size for test
        return 2000; // you can override as you like it
    }

    protected void throwTooLongBoundarySizeException(final String contentType, final int boundarySize, final int limitSize) {
        final ExceptionMessageBuilder br = new ExceptionMessageBuilder();
        br.addNotice("Too long boundary size so treats it as 404.");
        br.addItem("Advice");

 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.util;

    this.testsEquals = true;
    return this;
  }

  /**
   * Tests that the forwarding wrapper returned by {@code wrapperFunction} properly forwards method
   * calls with parameters passed as is, return value returned as is, and exceptions propagated as
   * is.
   */
  public <T> void testForwarding(
      Class<T> interfaceType, Function<? super T, ? extends T> wrapperFunction) {
    checkNotNull(wrapperFunction);

///

/// note | Technical Details

You could also use `from starlette.testclient import TestClient`.

**FastAPI** provides the same `starlette.testclient` as `fastapi.testclient` just as a convenience for you, the developer. But it comes directly from Starlette.

///

/// tip

 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

internal fun FileSystem.deleteIfExists(path: Path) {
  try {
    delete(path)
  } catch (fnfe: FileNotFoundException) {
    return
  }
}

/** Tolerant delete, try to clear as many files as possible even after a failure. */
internal fun FileSystem.deleteContents(directory: Path) {
  var exception: IOException? = null
  val files =
    try {
      list(directory)