119 lines
3.8 KiB
Java
119 lines
3.8 KiB
Java
/*
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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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}
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