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Diffstat (limited to 'common/tests/unit/src/com/android/net/module/util/PerUidCounterTest.kt')
| -rw-r--r-- | common/tests/unit/src/com/android/net/module/util/PerUidCounterTest.kt | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/common/tests/unit/src/com/android/net/module/util/PerUidCounterTest.kt b/common/tests/unit/src/com/android/net/module/util/PerUidCounterTest.kt deleted file mode 100644 index 321fe594..00000000 --- a/common/tests/unit/src/com/android/net/module/util/PerUidCounterTest.kt +++ /dev/null @@ -1,142 +0,0 @@ -/* - * 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 - -import androidx.test.filters.SmallTest -import androidx.test.runner.AndroidJUnit4 -import org.junit.Test -import org.junit.runner.RunWith -import kotlin.test.assertEquals -import kotlin.test.assertFailsWith - -@RunWith(AndroidJUnit4::class) -@SmallTest -class PerUidCounterTest { - private val UID_A = 1000 - private val UID_B = 1001 - private val UID_C = 1002 - - @Test - fun testCounterMaximum() { - assertFailsWith<IllegalArgumentException> { - PerUidCounter(-1) - } - assertFailsWith<IllegalArgumentException> { - PerUidCounter(0) - } - - val testLimit = 1000 - val testCounter = PerUidCounter(testLimit) - assertEquals(0, testCounter[UID_A]) - repeat(testLimit) { - testCounter.incrementCountOrThrow(UID_A) - } - assertEquals(testLimit, testCounter[UID_A]) - assertFailsWith<IllegalStateException> { - testCounter.incrementCountOrThrow(UID_A) - } - assertEquals(testLimit, testCounter[UID_A]) - } - - @Test - fun testIncrementCountOrThrow() { - val counter = PerUidCounter(3) - - // Verify the counters work independently. - counter.incrementCountOrThrow(UID_A) - counter.incrementCountOrThrow(UID_B) - counter.incrementCountOrThrow(UID_B) - counter.incrementCountOrThrow(UID_A) - counter.incrementCountOrThrow(UID_A) - assertEquals(3, counter[UID_A]) - assertEquals(2, counter[UID_B]) - assertFailsWith<IllegalStateException> { - counter.incrementCountOrThrow(UID_A) - } - counter.incrementCountOrThrow(UID_B) - assertFailsWith<IllegalStateException> { - counter.incrementCountOrThrow(UID_B) - } - - // Verify exception can be triggered again. - assertFailsWith<IllegalStateException> { - counter.incrementCountOrThrow(UID_A) - } - assertFailsWith<IllegalStateException> { - repeat(3) { - counter.incrementCountOrThrow(UID_A) - } - } - assertEquals(3, counter[UID_A]) - assertEquals(3, counter[UID_B]) - assertEquals(0, counter[UID_C]) - } - - @Test - fun testDecrementCountOrThrow() { - val counter = PerUidCounter(3) - - // Verify the count cannot go below zero. - assertFailsWith<IllegalStateException> { - counter.decrementCountOrThrow(UID_A) - } - assertFailsWith<IllegalStateException> { - repeat(5) { - counter.decrementCountOrThrow(UID_A) - } - } - - // Verify the counters work independently. - counter.incrementCountOrThrow(UID_A) - counter.incrementCountOrThrow(UID_B) - assertEquals(1, counter[UID_A]) - assertEquals(1, counter[UID_B]) - assertFailsWith<IllegalStateException> { - repeat(3) { - counter.decrementCountOrThrow(UID_A) - } - } - assertFailsWith<IllegalStateException> { - counter.decrementCountOrThrow(UID_A) - } - assertEquals(0, counter[UID_A]) - assertEquals(1, counter[UID_B]) - - // Verify mixing increment and decrement. - val largeCounter = PerUidCounter(100) - repeat(90) { - largeCounter.incrementCountOrThrow(UID_A) - } - repeat(70) { - largeCounter.decrementCountOrThrow(UID_A) - } - repeat(80) { - largeCounter.incrementCountOrThrow(UID_A) - } - assertFailsWith<IllegalStateException> { - largeCounter.incrementCountOrThrow(UID_A) - } - assertEquals(100, largeCounter[UID_A]) - repeat(100) { - largeCounter.decrementCountOrThrow(UID_A) - } - assertFailsWith<IllegalStateException> { - largeCounter.decrementCountOrThrow(UID_A) - } - assertEquals(0, largeCounter[UID_A]) - } -}
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