Merge "Add test for NetworkSpecifier"

/*

 * Copyright (C) 2020 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 android.net

import android.os.Build

import androidx.test.filters.SmallTest

import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo

import com.android.testutils.DevSdkIgnoreRunner

import kotlin.test.assertTrue

import kotlin.test.assertEquals

import kotlin.test.assertFalse

import kotlin.test.assertNotEquals

import org.junit.Test

import org.junit.runner.RunWith

@SmallTest

@RunWith(DevSdkIgnoreRunner::class)

@IgnoreUpTo(Build.VERSION_CODES.Q)

class NetworkSpecifierTest {

    private class TestNetworkSpecifier(

        val intData: Int = 123,

        val stringData: String = "init"

    ) : NetworkSpecifier() {

        override fun canBeSatisfiedBy(other: NetworkSpecifier?): Boolean =

                other != null &&

                other is TestNetworkSpecifier &&

                other.intData >= intData &&

                stringData.equals(other.stringData)

        override fun redact(): NetworkSpecifier = TestNetworkSpecifier(intData, "redact")

    }

    @Test

    fun testRedact() {

        val ns: TestNetworkSpecifier = TestNetworkSpecifier()

        val redactNs = ns.redact()

        assertTrue(redactNs is TestNetworkSpecifier)

        assertEquals(ns.intData, redactNs.intData)

        assertNotEquals(ns.stringData, redactNs.stringData)

        assertTrue("redact".equals(redactNs.stringData))

    }

    @Test

    fun testcanBeSatisfiedBy() {

        val target: TestNetworkSpecifier = TestNetworkSpecifier()

        assertFalse(target.canBeSatisfiedBy(null))

        assertTrue(target.canBeSatisfiedBy(TestNetworkSpecifier()))

        val otherNs = TelephonyNetworkSpecifier.Builder().setSubscriptionId(123).build()

        assertFalse(target.canBeSatisfiedBy(otherNs))

        assertTrue(target.canBeSatisfiedBy(TestNetworkSpecifier(intData = 999)))

        assertFalse(target.canBeSatisfiedBy(TestNetworkSpecifier(intData = 1)))

        assertFalse(target.canBeSatisfiedBy(TestNetworkSpecifier(stringData = "diff")))

    }

}

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