diff -r 000000000000 -r 959103a6100f test/tools/javac/lambda/SerializedLambdaInInit.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/lambda/SerializedLambdaInInit.java Wed Apr 27 01:34:52 2016 +0800 @@ -0,0 +1,118 @@ +/* + * 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); +}