| /* |
| * 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 java.nio.ByteBuffer; |
| import java.util.Arrays; |
| |
| import thrift.test.SafeBytes; |
| import thrift.test.UnsafeBytes; |
| |
| // test generating types with un-copied byte[]/ByteBuffer input/output |
| // |
| public class TestUnsafeBinaries extends TestStruct { |
| |
| private static byte[] input() { |
| return new byte[]{1, 1}; |
| } |
| |
| // |
| // verify that the unsafe_binaries option modifies behavior |
| // |
| |
| // constructor doesn't copy |
| public void testUnsafeConstructor() throws Exception { |
| |
| byte[] input = input(); |
| UnsafeBytes struct = new UnsafeBytes(ByteBuffer.wrap(input)); |
| |
| input[0] = 2; |
| |
| assertTrue(Arrays.equals( |
| 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 |
| public void testUnsafeGetter(){ |
| UnsafeBytes struct = new UnsafeBytes(ByteBuffer.wrap(input())); |
| |
| byte[] val = struct.getBytes(); |
| val[0] = 2; |
| |
| assertTrue(Arrays.equals( |
| new byte[]{2, 1}, |
| struct.getBytes()) |
| ); |
| |
| } |
| |
| // setter doesn't copy |
| public void testUnsafeSetter(){ |
| UnsafeBytes struct = new UnsafeBytes(); |
| |
| byte[] val = input(); |
| struct.setBytes(val); |
| |
| val[0] = 2; |
| |
| assertTrue(Arrays.equals( |
| new byte[]{2, 1}, |
| struct.getBytes()) |
| ); |
| |
| } |
| |
| // buffer doens't copy |
| public void testUnsafeBufferFor(){ |
| UnsafeBytes struct = new UnsafeBytes(ByteBuffer.wrap(input())); |
| |
| ByteBuffer val = struct.bufferForBytes(); |
| val.array()[0] = 2; |
| |
| assertTrue(Arrays.equals( |
| new byte[]{2, 1}, |
| struct.getBytes()) |
| ); |
| |
| } |
| |
| // |
| // verify that the default generator does not change behavior |
| // |
| |
| public void testSafeConstructor() { |
| |
| byte[] input = input(); |
| SafeBytes struct = new SafeBytes(ByteBuffer.wrap(input)); |
| |
| input[0] = 2; |
| |
| assertTrue(Arrays.equals( |
| new byte[]{1, 1}, |
| struct.getBytes()) |
| ); |
| |
| } |
| |
| public void testSafeSetter() { |
| |
| byte[] input = input(); |
| SafeBytes struct = new SafeBytes(ByteBuffer.wrap(input)); |
| |
| input[0] = 2; |
| |
| assertTrue(Arrays.equals( |
| new byte[]{1, 1}, |
| struct.getBytes()) |
| ); |
| |
| } |
| |
| public void testSafeBufferFor(){ |
| SafeBytes struct = new SafeBytes(ByteBuffer.wrap(input())); |
| |
| ByteBuffer val = struct.bufferForBytes(); |
| val.array()[0] = 2; |
| |
| assertTrue(Arrays.equals( |
| new byte[]{1, 1}, |
| struct.getBytes()) |
| ); |
| |
| } |
| |
| } |