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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.thrift;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import java.nio.ByteBuffer;
import org.junit.jupiter.api.Test;
import thrift.test.SafeBytes;
import thrift.test.UnsafeBytes;
// test generating types with un-copied byte[]/ByteBuffer input/output
//
public class TestUnsafeBinaries {
private static byte[] input() {
return new byte[] {1, 1};
}
//
// verify that the unsafe_binaries option modifies behavior
//
// constructor doesn't copy
@Test
public void testUnsafeConstructor() throws Exception {
byte[] input = input();
UnsafeBytes struct = new UnsafeBytes(ByteBuffer.wrap(input));
input[0] = 2;
assertArrayEquals(new byte[] {2, 1}, struct.getBytes());
}
// getter doesn't copy
// note: this behavior is the same with/without the flag, but if this default ever changes, the
// current behavior
// should be retained when using this flag
@Test
public void testUnsafeGetter() {
UnsafeBytes struct = new UnsafeBytes(ByteBuffer.wrap(input()));
byte[] val = struct.getBytes();
val[0] = 2;
assertArrayEquals(new byte[] {2, 1}, struct.getBytes());
}
// setter doesn't copy
@Test
public void testUnsafeSetter() {
UnsafeBytes struct = new UnsafeBytes();
byte[] val = input();
struct.setBytes(val);
val[0] = 2;
assertArrayEquals(new byte[] {2, 1}, struct.getBytes());
}
// buffer doens't copy
@Test
public void testUnsafeBufferFor() {
UnsafeBytes struct = new UnsafeBytes(ByteBuffer.wrap(input()));
ByteBuffer val = struct.bufferForBytes();
val.array()[0] = 2;
assertArrayEquals(new byte[] {2, 1}, struct.getBytes());
}
//
// verify that the default generator does not change behavior
//
@Test
public void testSafeConstructor() {
byte[] input = input();
SafeBytes struct = new SafeBytes(ByteBuffer.wrap(input));
input[0] = 2;
assertArrayEquals(new byte[] {1, 1}, struct.getBytes());
}
@Test
public void testSafeSetter() {
byte[] input = input();
SafeBytes struct = new SafeBytes(ByteBuffer.wrap(input));
input[0] = 2;
assertArrayEquals(new byte[] {1, 1}, struct.getBytes());
}
@Test
public void testSafeBufferFor() {
SafeBytes struct = new SafeBytes(ByteBuffer.wrap(input()));
ByteBuffer val = struct.bufferForBytes();
val.array()[0] = 2;
assertArrayEquals(new byte[] {1, 1}, struct.getBytes());
}
}
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