Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/SerializedLambdaInInit.java
test/tools/javac/lambda/SerializedLambdaInInit.java
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| 1 /* | |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 @test | |
| 26 @bug 8009742 | |
| 27 @summary Bad method name: Serialized lambda in a constructor or class init | |
| 28 */ | |
| 29 | |
| 30 import java.io.*; | |
| 31 import java.lang.reflect.Method; | |
| 32 | |
| 33 public class SerializedLambdaInInit { | |
| 34 static int assertionCount = 0; | |
| 35 | |
| 36 static void assertTrue(boolean cond) { | |
| 37 assertionCount++; | |
| 38 if (!cond) | |
| 39 throw new AssertionError(); | |
| 40 } | |
| 41 | |
| 42 static LSI cvisi = z -> "[" + z + "]"; | |
| 43 static LSI cisi; | |
| 44 | |
| 45 static { | |
| 46 cisi = z -> z + z; | |
| 47 } | |
| 48 | |
| 49 LSI ivsi = z -> "blah"; | |
| 50 LSI iisi; | |
| 51 | |
| 52 SerializedLambdaInInit() { | |
| 53 iisi = z -> "*" + z; | |
| 54 } | |
| 55 | |
| 56 public static void main(String[] args) throws Exception { | |
| 57 try { | |
| 58 // Write lambdas out | |
| 59 ByteArrayOutputStream baos = new ByteArrayOutputStream(); | |
| 60 ObjectOutput out = new ObjectOutputStream(baos); | |
| 61 SerializedLambdaInInit slii = new SerializedLambdaInInit(); | |
| 62 | |
| 63 write(out, cvisi ); | |
| 64 write(out, cisi ); | |
| 65 write(out, slii.ivsi ); | |
| 66 write(out, slii.iisi ); | |
| 67 out.flush(); | |
| 68 out.close(); | |
| 69 | |
| 70 // Read them back | |
| 71 ByteArrayInputStream bais = | |
| 72 new ByteArrayInputStream(baos.toByteArray()); | |
| 73 ObjectInputStream in = new ObjectInputStream(bais); | |
| 74 readAssert(in, "[X]"); | |
| 75 readAssert(in, "XX"); | |
| 76 readAssert(in, "blah"); | |
| 77 readAssert(in, "*X"); | |
| 78 in.close(); | |
| 79 | |
| 80 // Reflectively test for valid method names | |
| 81 for (Method meth : slii.getClass().getDeclaredMethods()) { | |
| 82 checkIdentifier(meth.getName()); | |
| 83 } | |
| 84 } catch (IOException e) { | |
| 85 e.printStackTrace(); | |
| 86 throw e; | |
| 87 } | |
| 88 assertTrue(assertionCount == 4); | |
| 89 } | |
| 90 | |
| 91 static void write(ObjectOutput out, LSI lamb) throws IOException { | |
| 92 out.writeObject(lamb); | |
| 93 } | |
| 94 | |
| 95 static void readAssert(ObjectInputStream in, String expected) throws IOException, ClassNotFoundException { | |
| 96 LSI ls = (LSI) in.readObject(); | |
| 97 String result = ls.convert("X"); | |
| 98 System.out.printf("Result: %s\n", result); | |
| 99 assertTrue(result.equals(expected)); | |
| 100 } | |
| 101 | |
| 102 public static void checkIdentifier(String str) throws Exception { | |
| 103 // null and zero length identifers will throw their own exceptions | |
| 104 char[] chars = str.toCharArray(); | |
| 105 if (!Character.isJavaIdentifierStart(chars[0])) { | |
| 106 throw new IllegalArgumentException(str + ": bad identifier start character: '" + chars[0] + "'"); | |
| 107 } | |
| 108 for (char ch : chars) { | |
| 109 if (!Character.isJavaIdentifierPart(ch)) { | |
| 110 throw new IllegalArgumentException(str + ": bad identifier character: '" + ch + "'"); | |
| 111 } | |
| 112 } | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 interface LSI extends Serializable { | |
| 117 String convert(String x); | |
| 118 } |
