/*
 * Copyright (C) 2025 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.privatespace.filetransfer

import android.os.SystemClock

/**
 * Wraps [SystemClock] to allow mocking in unit tests.
 *
 * [SystemClock.elapsedRealtime] is a native method, which makes it difficult to mock directly in
 * tests. By using this wrapper, we can provide a mock implementation of [elapsedRealtime] for
 * testing time-dependent logic.
 */
open class SystemClockWrapper {
    /** @see android.os.SystemClock.elapsedRealtime */
    fun elapsedRealtime(): Long {
        return SystemClock.elapsedRealtime()
    }
}