1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/lambda/SerializedLambdaInInit.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,118 @@
1.4 +/*
1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 +@test
1.29 +@bug 8009742
1.30 +@summary Bad method name: Serialized lambda in a constructor or class init
1.31 +*/
1.32 +
1.33 +import java.io.*;
1.34 +import java.lang.reflect.Method;
1.35 +
1.36 +public class SerializedLambdaInInit {
1.37 + static int assertionCount = 0;
1.38 +
1.39 + static void assertTrue(boolean cond) {
1.40 + assertionCount++;
1.41 + if (!cond)
1.42 + throw new AssertionError();
1.43 + }
1.44 +
1.45 + static LSI cvisi = z -> "[" + z + "]";
1.46 + static LSI cisi;
1.47 +
1.48 + static {
1.49 + cisi = z -> z + z;
1.50 + }
1.51 +
1.52 + LSI ivsi = z -> "blah";
1.53 + LSI iisi;
1.54 +
1.55 + SerializedLambdaInInit() {
1.56 + iisi = z -> "*" + z;
1.57 + }
1.58 +
1.59 + public static void main(String[] args) throws Exception {
1.60 + try {
1.61 + // Write lambdas out
1.62 + ByteArrayOutputStream baos = new ByteArrayOutputStream();
1.63 + ObjectOutput out = new ObjectOutputStream(baos);
1.64 + SerializedLambdaInInit slii = new SerializedLambdaInInit();
1.65 +
1.66 + write(out, cvisi );
1.67 + write(out, cisi );
1.68 + write(out, slii.ivsi );
1.69 + write(out, slii.iisi );
1.70 + out.flush();
1.71 + out.close();
1.72 +
1.73 + // Read them back
1.74 + ByteArrayInputStream bais =
1.75 + new ByteArrayInputStream(baos.toByteArray());
1.76 + ObjectInputStream in = new ObjectInputStream(bais);
1.77 + readAssert(in, "[X]");
1.78 + readAssert(in, "XX");
1.79 + readAssert(in, "blah");
1.80 + readAssert(in, "*X");
1.81 + in.close();
1.82 +
1.83 + // Reflectively test for valid method names
1.84 + for (Method meth : slii.getClass().getDeclaredMethods()) {
1.85 + checkIdentifier(meth.getName());
1.86 + }
1.87 + } catch (IOException e) {
1.88 + e.printStackTrace();
1.89 + throw e;
1.90 + }
1.91 + assertTrue(assertionCount == 4);
1.92 + }
1.93 +
1.94 + static void write(ObjectOutput out, LSI lamb) throws IOException {
1.95 + out.writeObject(lamb);
1.96 + }
1.97 +
1.98 + static void readAssert(ObjectInputStream in, String expected) throws IOException, ClassNotFoundException {
1.99 + LSI ls = (LSI) in.readObject();
1.100 + String result = ls.convert("X");
1.101 + System.out.printf("Result: %s\n", result);
1.102 + assertTrue(result.equals(expected));
1.103 + }
1.104 +
1.105 + public static void checkIdentifier(String str) throws Exception {
1.106 + // null and zero length identifers will throw their own exceptions
1.107 + char[] chars = str.toCharArray();
1.108 + if (!Character.isJavaIdentifierStart(chars[0])) {
1.109 + throw new IllegalArgumentException(str + ": bad identifier start character: '" + chars[0] + "'");
1.110 + }
1.111 + for (char ch : chars) {
1.112 + if (!Character.isJavaIdentifierPart(ch)) {
1.113 + throw new IllegalArgumentException(str + ": bad identifier character: '" + ch + "'");
1.114 + }
1.115 + }
1.116 + }
1.117 +}
1.118 +
1.119 +interface LSI extends Serializable {
1.120 + String convert(String x);
1.121 +}
