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test/tools/javac/lambda/SerializedLambdaInInit.java@5ddecb91d843 (annotated)

test/tools/javac/lambda/SerializedLambdaInInit.java

Tue, 12 Mar 2013 16:02:43 +0000

author

mcimadamore

date

Tue, 12 Mar 2013 16:02:43 +0000

changeset 1628

5ddecb91d843

parent 0

959103a6100f

permissions

-rw-r--r--

8009545: Graph inference: dependencies between inference variables should be set during incorporation
Summary: Move all transitivity checks into the incorporation round
Reviewed-by: jjg

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