| // Copyright 2018 The Bazel Authors. All rights reserved. |
| // |
| // 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.google.devtools.build.lib.skyframe.serialization; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertThrows; |
| |
| import com.google.common.collect.ImmutableSortedSet; |
| import com.google.devtools.build.lib.skyframe.serialization.testutils.SerializationTester; |
| import com.google.devtools.build.lib.skyframe.serialization.testutils.SerializationTester.VerificationFunction; |
| import com.google.devtools.build.lib.skyframe.serialization.testutils.TestUtils; |
| import com.google.protobuf.CodedInputStream; |
| import com.google.protobuf.CodedOutputStream; |
| import java.util.Comparator; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link ImmutableSortedSetCodec}. */ |
| @RunWith(JUnit4.class) |
| public class ImmutableSortedSetCodecTest { |
| private static final Comparator<String> LENGTH_COMPARATOR = |
| Comparator.comparingInt(String::length); |
| |
| @Test |
| public void smoke() throws Exception { |
| new SerializationTester( |
| ImmutableSortedSet.of(), |
| ImmutableSortedSet.of("a", "b", "d"), |
| ImmutableSortedSet.orderedBy(Comparator.<String>naturalOrder()).add("a", "c").build(), |
| ImmutableSortedSet.orderedBy(LENGTH_COMPARATOR).add("abc", "defg", "h", "").build()) |
| // Check for order and comparator. |
| .setVerificationFunction( |
| (VerificationFunction<ImmutableSortedSet<String>>) |
| (deserialized, subject) -> { |
| assertThat(deserialized).isEqualTo(subject); |
| assertThat(deserialized).containsExactlyElementsIn(subject).inOrder(); |
| assertThat(deserialized.comparator()).isEqualTo(subject.comparator()); |
| }) |
| .runTests(); |
| } |
| |
| @Test |
| public void unknowComparatorThrows() { |
| assertThrows( |
| SerializationException.class, |
| () -> |
| TestUtils.roundTrip( |
| ImmutableSortedSet.orderedBy(Comparator.comparingInt(String::length)) |
| .add("a", "bcd", "ef"))); |
| } |
| |
| /** |
| * Effectively singleton codec for {@link #LENGTH_COMPARATOR}. We don't use @AutoCodec to avoid |
| * adding the dependency. |
| */ |
| private static class LengthComparatorOnlyCodec implements ObjectCodec<Comparator<String>> { |
| @SuppressWarnings("unchecked") |
| @Override |
| public Class<Comparator<String>> getEncodedClass() { |
| return (Class<Comparator<String>>) (Class<?>) LENGTH_COMPARATOR.getClass(); |
| } |
| |
| @Override |
| public void serialize( |
| SerializationContext context, Comparator<String> obj, CodedOutputStream codedOut) |
| throws SerializationException { |
| if (obj != LENGTH_COMPARATOR) { |
| throw new SerializationException("Unexpected object " + obj); |
| } |
| } |
| |
| @Override |
| public Comparator<String> deserialize( |
| DeserializationContext context, CodedInputStream codedIn) { |
| return LENGTH_COMPARATOR; |
| } |
| } |
| } |