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/*
* Copyright 2023 Code Intelligence GmbH
*
* 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.code_intelligence.jazzer.mutation.mutator.proto;
import static com.code_intelligence.jazzer.mutation.support.TestSupport.mockPseudoRandom;
import static com.google.common.truth.Truth.assertThat;
import com.code_intelligence.jazzer.mutation.annotation.NotNull;
import com.code_intelligence.jazzer.mutation.api.ChainedMutatorFactory;
import com.code_intelligence.jazzer.mutation.api.MutatorFactory;
import com.code_intelligence.jazzer.mutation.api.SerializingMutator;
import com.code_intelligence.jazzer.mutation.mutator.collection.CollectionMutators;
import com.code_intelligence.jazzer.mutation.mutator.lang.LangMutators;
import com.code_intelligence.jazzer.mutation.support.TestSupport.MockPseudoRandom;
import com.code_intelligence.jazzer.mutation.support.TypeHolder;
import com.code_intelligence.jazzer.protobuf.Proto2.ExtendedMessage2;
import com.code_intelligence.jazzer.protobuf.Proto2.ExtendedSubmessage2;
import com.code_intelligence.jazzer.protobuf.Proto2.OriginalMessage2;
import com.code_intelligence.jazzer.protobuf.Proto2.OriginalSubmessage2;
import com.code_intelligence.jazzer.protobuf.Proto3.PrimitiveField3;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.junit.jupiter.api.Test;
class MessageMutatorTest {
private static final MutatorFactory FACTORY = new ChainedMutatorFactory(
LangMutators.newFactory(), CollectionMutators.newFactory(), ProtoMutators.newFactory());
@Test
void testSimpleMessage() {
SerializingMutator<PrimitiveField3> mutator = FACTORY.createOrThrow(PrimitiveField3.class);
PrimitiveField3 msg;
try (MockPseudoRandom prng = mockPseudoRandom(
// not null
false,
// boolean
false)) {
msg = mutator.init(prng);
assertThat(msg).isEqualTo(PrimitiveField3.getDefaultInstance());
}
try (MockPseudoRandom prng = mockPseudoRandom(
// not null,
false,
// mutate first field
0)) {
msg = mutator.mutate(msg, prng);
assertThat(msg).isNotEqualTo(PrimitiveField3.getDefaultInstance());
}
}
@Test
void testIncompleteMessageWithRequiredFields() throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
OriginalMessage2.newBuilder()
.setMessageField(OriginalSubmessage2.newBuilder().setNumericField(42).build())
.setBoolField(true)
.build()
.writeTo(out);
byte[] bytes = out.toByteArray();
SerializingMutator<ExtendedMessage2> mutator =
(SerializingMutator<ExtendedMessage2>) FACTORY.createOrThrow(
new TypeHolder<@NotNull ExtendedMessage2>() {}.annotatedType());
ExtendedMessage2 extendedMessage = mutator.readExclusive(new ByteArrayInputStream(bytes));
assertThat(extendedMessage)
.isEqualTo(ExtendedMessage2.newBuilder()
.setMessageField(
ExtendedSubmessage2.newBuilder().setNumericField(42).setMessageField(
OriginalSubmessage2.newBuilder().setNumericField(0).build()))
.setBoolField(true)
.setFloatField(0)
.build());
}
}
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