/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import org.apache.lucene.util.VectorUtil;

public class NativeSveDotProductOverflow {
  public static void main(String[] args) {
    byte[] a = new byte[Integer.MAX_VALUE - 63];
    // Expected 0 (2^31 - 64 zeros); actual with the native SVE kernel: SIGSEGV in vdot8s_sve.
    int dot = VectorUtil.dotProduct(a, a);
    if (dot != 0) {
      throw new AssertionError("expected 0, got " + dot);
    }
  }
}