| /* |
| * 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() {} |
| } |