diff options
Diffstat (limited to 'tzs2storage/src/test/java/com/android/timezone/location/storage/tzs2range/write/BankedTzIdSetsPackerTest.java')
| -rw-r--r-- | tzs2storage/src/test/java/com/android/timezone/location/storage/tzs2range/write/BankedTzIdSetsPackerTest.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/tzs2storage/src/test/java/com/android/timezone/location/storage/tzs2range/write/BankedTzIdSetsPackerTest.java b/tzs2storage/src/test/java/com/android/timezone/location/storage/tzs2range/write/BankedTzIdSetsPackerTest.java new file mode 100644 index 0000000..066405a --- /dev/null +++ b/tzs2storage/src/test/java/com/android/timezone/location/storage/tzs2range/write/BankedTzIdSetsPackerTest.java @@ -0,0 +1,134 @@ +/* + * 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 com.android.timezone.location.storage.tzs2range.write; + +import static com.android.storage.s2.S2Support.cellId; +import static com.android.storage.testing.MoreAsserts.assertThrows; +import static com.android.storage.testing.TestSupport.listOf; +import static com.android.storage.testing.TestSupport.setOf; + +import static org.junit.Assert.assertEquals; + +import com.android.timezone.location.storage.tzs2range.BankedTzIdSets; +import com.android.timezone.location.storage.tzs2range.TzS2Range; + +import org.junit.Test; + +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +/** Tests for {@link BankedTzIdSetsPacker}. */ +public class BankedTzIdSetsPackerTest { + + @Test + public void simplePacking() { + BankedTzIdSetsPacker packer = new BankedTzIdSetsPacker(5); + List<List<String>> idSet1 = listOf( + listOf("One"), + listOf("One", "Two"), + listOf("One", "Two", "Three"), + listOf("One", "Two", "Three", "Four"), + listOf("One", "Two", "Three", "Four", "Five")); + BankedTzIdSetsPacker.BankHelper bank1Helper = packer.addTzIdSets(idSet1); + assertEquals(0, bank1Helper.getId()); + + List<List<String>> idSet2 = listOf( + listOf("Two"), + listOf("Two", "Three"), + listOf("Two", "Three", "Four"), + listOf("Two", "Three", "Four", "Five"), + listOf("Two", "Three", "Four", "Five", "Six")); + BankedTzIdSetsPacker.BankHelper bank2Helper = packer.addTzIdSets(idSet2); + assertEquals(1, bank2Helper.getId()); + + BankedTzIdSets bankedTzIdSets = packer.create(); + assertEquals(setOf("One", "Two", "Three", "Four", "Five", "Six"), + new HashSet<>(bankedTzIdSets.getStringsByIndex())); + assertEquals(2, bankedTzIdSets.getBankCount()); + BankedTzIdSets.Bank bank1 = bankedTzIdSets.getBank(0); + assertEquals(listOf("One"), bank1.getTzIdSet(0).getTzIds()); + assertEquals(listOf("One", "Two"), bank1.getTzIdSet(1).getTzIds()); + + BankedTzIdSets.Bank bank2 = bankedTzIdSets.getBank(1); + assertEquals(listOf("Two"), bank2.getTzIdSet(0).getTzIds()); + assertEquals(listOf("Two", "Three"), bank2.getTzIdSet(1).getTzIds()); + } + + @Test + public void overflowPacking() { + BankedTzIdSetsPacker packer = new BankedTzIdSetsPacker(5); + List<List<String>> idSetA1 = listOf( + listOf("One"), + listOf("One", "Two"), + listOf("One", "Two", "Three"), + listOf("One", "Two", "Three", "Four")); + BankedTzIdSetsPacker.BankHelper bankA1Helper = packer.addTzIdSets(idSetA1); + assertEquals(0, bankA1Helper.getId()); + + List<List<String>> idSetA2 = listOf(listOf("One", "Two", "Three", "Four", "Five")); + BankedTzIdSetsPacker.BankHelper bankA2Helper = packer.addTzIdSets(idSetA2); + assertEquals(0, bankA2Helper.getId()); + + BankedTzIdSetsPacker.BankHelper bankA1Helper2 = packer.addTzIdSets(idSetA1); + assertEquals(0, bankA1Helper2.getId()); + + BankedTzIdSetsPacker.BankHelper bankA2Helper2 = packer.addTzIdSets(idSetA2); + assertEquals(0, bankA2Helper2.getId()); + + List<List<String>> idSetB = listOf(listOf("Two")); + BankedTzIdSetsPacker.BankHelper bankBHelper = packer.addTzIdSets(idSetB); + assertEquals(1, bankBHelper.getId()); + } + + @Test + public void exceedMaxBankSize() { + BankedTzIdSetsPacker packer = new BankedTzIdSetsPacker(3); + // If the bank max size is 3, four different sets cannot be stored. + List<List<String>> idSet = listOf( + listOf("One"), + listOf("One", "Two"), + listOf("One", "Two", "Three"), + listOf("One", "Two", "Three", "Four")); + assertThrows(IllegalArgumentException.class, () -> packer.addTzIdSets(idSet)); + } + + @Test + public void extractUniqueTzIdSets() { + List<TzS2Range> ranges = listOf(new TzS2Range(cellId(12, 1, 1), cellId(12, 1, 2), + listOf("One", "Two", "Three")), + new TzS2Range(cellId(12, 1, 2), cellId(12, 1, 3), listOf("One")), + new TzS2Range(cellId(12, 1, 3), cellId(12, 1, 4), listOf("Two")), + new TzS2Range(cellId(12, 1, 4), cellId(12, 1, 5), listOf("One")), + new TzS2Range(cellId(12, 1, 5), cellId(12, 1, 6), + listOf("One", "Two", "Three")), + new TzS2Range(cellId(12, 1, 6), cellId(12, 1, 7), listOf("Two", "Three")), + new TzS2Range(cellId(12, 1, 7), cellId(12, 1, 8), listOf("Three"))); + List<List<String>> uniqueTzIdSetsList = BankedTzIdSetsPacker.extractUniqueTzIdSets(ranges); + Set<List<String>> uniqueTzIdSetsSet = new HashSet<>(uniqueTzIdSetsList); + assertEquals(uniqueTzIdSetsList.size(), uniqueTzIdSetsSet.size()); + + Set<List<String>> expectedValuesSet = setOf( + listOf("One"), + listOf("Two"), + listOf("Three"), + listOf("Two", "Three"), + listOf("One", "Two", "Three") + ); + assertEquals(expectedValuesSet, uniqueTzIdSetsSet); + } +} |