author | jfranck |
Wed, 21 Jan 2015 19:02:20 +0100 | |
changeset 28592 | 4f1da6e809b0 |
parent 16337 | 181ac468ab24 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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@test |
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@bug 8009742 |
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@summary Bad method name: Serialized lambda in a constructor or class init |
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*/ |
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import java.io.*; |
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import java.lang.reflect.Method; |
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public class SerializedLambdaInInit { |
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static int assertionCount = 0; |
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static void assertTrue(boolean cond) { |
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assertionCount++; |
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if (!cond) |
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throw new AssertionError(); |
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} |
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static LSI cvisi = z -> "[" + z + "]"; |
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static LSI cisi; |
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static { |
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cisi = z -> z + z; |
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} |
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LSI ivsi = z -> "blah"; |
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LSI iisi; |
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SerializedLambdaInInit() { |
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iisi = z -> "*" + z; |
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} |
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public static void main(String[] args) throws Exception { |
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try { |
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// Write lambdas out |
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ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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ObjectOutput out = new ObjectOutputStream(baos); |
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SerializedLambdaInInit slii = new SerializedLambdaInInit(); |
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write(out, cvisi ); |
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write(out, cisi ); |
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write(out, slii.ivsi ); |
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write(out, slii.iisi ); |
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out.flush(); |
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out.close(); |
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// Read them back |
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ByteArrayInputStream bais = |
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new ByteArrayInputStream(baos.toByteArray()); |
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ObjectInputStream in = new ObjectInputStream(bais); |
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readAssert(in, "[X]"); |
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readAssert(in, "XX"); |
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readAssert(in, "blah"); |
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readAssert(in, "*X"); |
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in.close(); |
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// Reflectively test for valid method names |
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for (Method meth : slii.getClass().getDeclaredMethods()) { |
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checkIdentifier(meth.getName()); |
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} |
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} catch (IOException e) { |
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e.printStackTrace(); |
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throw e; |
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} |
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assertTrue(assertionCount == 4); |
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} |
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static void write(ObjectOutput out, LSI lamb) throws IOException { |
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out.writeObject(lamb); |
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} |
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static void readAssert(ObjectInputStream in, String expected) throws IOException, ClassNotFoundException { |
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LSI ls = (LSI) in.readObject(); |
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String result = ls.convert("X"); |
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System.out.printf("Result: %s\n", result); |
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assertTrue(result.equals(expected)); |
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} |
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public static void checkIdentifier(String str) throws Exception { |
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// null and zero length identifers will throw their own exceptions |
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char[] chars = str.toCharArray(); |
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if (!Character.isJavaIdentifierStart(chars[0])) { |
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throw new IllegalArgumentException(str + ": bad identifier start character: '" + chars[0] + "'"); |
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} |
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for (char ch : chars) { |
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if (!Character.isJavaIdentifierPart(ch)) { |
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throw new IllegalArgumentException(str + ": bad identifier character: '" + ch + "'"); |
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} |
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} |
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} |
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interface LSI extends Serializable { |
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String convert(String x); |
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} |
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} |