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-rw-r--r-- | src/jaegertracing/thrift/lib/java/test/org/apache/thrift/TestUnsafeBinaries.java | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/TestUnsafeBinaries.java b/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/TestUnsafeBinaries.java new file mode 100644 index 000000000..d1fc21368 --- /dev/null +++ b/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/TestUnsafeBinaries.java @@ -0,0 +1,146 @@ +/* + * 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()) + ); + + } + +} |