/* Copyright 2021 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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.tensorflow.lite;

/** Utilities for initializing TF Lite for tests. */
public final class TestInit {

  private TestInit() {}

  private static boolean initialized;

  /**
   * Initialize TF Lite for tests. In tests, this should be called before executing any native code
   * that uses TF Lite. It may, for example, dynamically load the TF Lite library.
   */
  public static void init() {
    if (!initialized) {
      try {
        System.loadLibrary("tensorflowlite_test_jni");
      } catch (UnsatisfiedLinkError e) {
        System.loadLibrary("tensorflowlite_stable_test_jni");
      }
      initTfLiteForTest();
      initialized = true;
    }
  }

  private static native void initTfLiteForTest();
}
