Merge "[SP13.1] Add assert equals function for NetworkStats"

package com.android.testutils

import android.net.NetworkStats

import kotlin.test.assertTrue

@JvmOverloads

fun orderInsensitiveEquals(

    leftStats: NetworkStats,

    rightStats: NetworkStats

    rightStats: NetworkStats,

    compareTime: Boolean = false

): Boolean {

    if (leftStats == rightStats) return true

    if (leftStats.getElapsedRealtime() != rightStats.getElapsedRealtime() ||

            leftStats.size() != rightStats.size()) return false

    if (compareTime && leftStats.getElapsedRealtime() != rightStats.getElapsedRealtime()) {

        return false

    }

    if (leftStats.size() != rightStats.size()) return false

    val left = NetworkStats.Entry()

    val right = NetworkStats.Entry()

    // Order insensitive compare.

        leftStats.getValues(i, left)

        val j: Int = rightStats.findIndexHinted(left.iface, left.uid, left.set, left.tag,

                left.metered, left.roaming, left.defaultNetwork, i)

        if (j == -1) return false

        rightStats.getValues(j, right)

        if (left != right) return false

    }

    return true

}

/**

 * Assert that two {@link NetworkStats} are equals, assuming the order of the records are not

 * necessarily the same.

 *

 * @note {@code elapsedRealtime} is not compared by default, given that in test cases that is not

 *       usually used.

 */

@JvmOverloads

fun assertNetworkStatsEquals(

    expected: NetworkStats,

    actual: NetworkStats,

    compareTime: Boolean = false

) {

    assertTrue(orderInsensitiveEquals(expected, actual, compareTime),

            "expected: " + expected + "but was: " + actual)

}