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/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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 com.android.net.module.util.async;
import android.os.Build;
/**
* Implements basic assert functions for runtime error-checking.
*
* @hide
*/
public final class Assertions {
public static final boolean IS_USER_BUILD = "user".equals(Build.TYPE);
public static void throwsIfOutOfBounds(int totalLength, int pos, int len) {
if (!IS_USER_BUILD && ((totalLength | pos | len) < 0 || pos > totalLength - len)) {
throw new ArrayIndexOutOfBoundsException(
"length=" + totalLength + "; regionStart=" + pos + "; regionLength=" + len);
}
}
public static void throwsIfOutOfBounds(byte[] buffer, int pos, int len) {
throwsIfOutOfBounds(buffer != null ? buffer.length : 0, pos, len);
}
private Assertions() {}
}
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