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