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// Copyright (C) 2018 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.google.gerrit.server.cache.serialize;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assert_;
import com.google.gerrit.testing.GerritBaseTests;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.StandardCharsets;
import org.junit.Test;
public class StringCacheSerializerTest extends GerritBaseTests {
@Test
public void serialize() {
assertThat(StringCacheSerializer.INSTANCE.serialize("")).isEmpty();
assertThat(StringCacheSerializer.INSTANCE.serialize("abc"))
.isEqualTo(new byte[] {'a', 'b', 'c'});
assertThat(StringCacheSerializer.INSTANCE.serialize("a\u1234c"))
.isEqualTo(new byte[] {'a', (byte) 0xe1, (byte) 0x88, (byte) 0xb4, 'c'});
}
@Test
public void serializeInvalidChar() {
// Can't use UTF-8 for the test, since it can encode all Unicode code points.
try {
StringCacheSerializer.serialize(StandardCharsets.US_ASCII, "\u1234");
assert_().fail("expected IllegalStateException");
} catch (IllegalStateException expected) {
assertThat(expected).hasCauseThat().isInstanceOf(CharacterCodingException.class);
}
}
@Test
public void deserialize() {
assertThat(StringCacheSerializer.INSTANCE.deserialize(new byte[0])).isEmpty();
assertThat(StringCacheSerializer.INSTANCE.deserialize(new byte[] {'a', 'b', 'c'}))
.isEqualTo("abc");
assertThat(
StringCacheSerializer.INSTANCE.deserialize(
new byte[] {'a', (byte) 0xe1, (byte) 0x88, (byte) 0xb4, 'c'}))
.isEqualTo("a\u1234c");
}
@Test
public void deserializeInvalidChar() {
try {
StringCacheSerializer.INSTANCE.deserialize(new byte[] {(byte) 0xff});
assert_().fail("expected IllegalStateException");
} catch (IllegalStateException expected) {
assertThat(expected).hasCauseThat().isInstanceOf(CharacterCodingException.class);
}
}
}