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test/tools/javac/lambda/lambdaNaming/TestSerializedLambdaNameStability.java@eb284abd64fe (annotated)

test/tools/javac/lambda/lambdaNaming/TestSerializedLambdaNameStability.java

Mon, 23 Jun 2014 13:14:32 -0700

author

rfield

date

Mon, 23 Jun 2014 13:14:32 -0700

changeset 2528

eb284abd64fe

parent 0

959103a6100f

permissions

-rw-r--r--

8046060: Different results of floating point multiplication for lambda code block
Summary: propogate strictfp into lambda body
Reviewed-by: vromero, jlahoda

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 8023668
aoqi@0	27	* @summary Desugar serializable lambda bodies using more robust naming scheme
aoqi@0	28	* @library /tools/javac/lib
aoqi@0	29	* @build ToolBox
aoqi@0	30	* @run main TestSerializedLambdaNameStability
aoqi@0	31	*/
aoqi@0	32
aoqi@0	33	import java.io.*;
aoqi@0	34	import java.lang.reflect.Constructor;
aoqi@0	35	import java.lang.reflect.InvocationTargetException;
aoqi@0	36	import java.lang.reflect.Method;
aoqi@0	37	import java.nio.file.*;
aoqi@0	38
aoqi@0	39	public class TestSerializedLambdaNameStability {
aoqi@0	40
aoqi@0	41	final ClassLoader writingClassLoader;
aoqi@0	42	final ClassLoader clonedClassLoader;
aoqi@0	43	final ClassLoader checkingClassLoader;
aoqi@0	44
aoqi@0	45	TestSerializedLambdaNameStability() {
aoqi@0	46	writingClassLoader = new TestClassLoader("before");
aoqi@0	47	clonedClassLoader = new TestClassLoader("before");
aoqi@0	48	checkingClassLoader = new TestClassLoader("after");
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	public static void main(String... args) throws Exception {
aoqi@0	52	new TestSerializedLambdaNameStability().doit("NameOfCapturedArgs", true);
aoqi@0	53	new TestSerializedLambdaNameStability().doit("TypesOfCapturedArgs", true);
aoqi@0	54	new TestSerializedLambdaNameStability().doit("OrderOfCapturedArgs", true);
aoqi@0	55	new TestSerializedLambdaNameStability().doit("VariableAssignmentTarget", false);
aoqi@0	56	new TestSerializedLambdaNameStability().doit("TargetName", true);
aoqi@0	57	new TestSerializedLambdaNameStability().doit("TargetType", true);
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	public void doit(String name, boolean expectFail) throws Exception {
aoqi@0	61	String iName = "I" + name;
aoqi@0	62	String testName = "TEST" + name;
aoqi@0	63	Class<?> kw = writingClassLoader.loadClass(testName);
aoqi@0	64	Object instw = getInstance(kw);
aoqi@0	65	Method mw = getMethod(kw, "write", ObjectOutput.class);
aoqi@0	66	ByteArrayOutputStream baos = new ByteArrayOutputStream();
aoqi@0	67	try (ObjectOutput out = new ObjectOutputStream(baos)) {
aoqi@0	68	mw.invoke(instw, out);
aoqi@0	69	}
aoqi@0	70	byte[] ser = baos.toByteArray();
aoqi@0	71
aoqi@0	72	// Read and check clone
aoqi@0	73	readCheck(iName, testName, clonedClassLoader, ser);
aoqi@0	74	System.err.printf("cloned test readCheck %s\n", testName);
aoqi@0	75
aoqi@0	76	// Read and check other
aoqi@0	77	if (expectFail) {
aoqi@0	78	try {
aoqi@0	79	readCheck(iName, testName, checkingClassLoader, ser);
aoqi@0	80	} catch (InvocationTargetException ite) {
aoqi@0	81	Throwable underlying = ite;
aoqi@0	82	while (underlying != null && !(underlying instanceof IllegalArgumentException)) {
aoqi@0	83	underlying = underlying.getCause();
aoqi@0	84	}
aoqi@0	85	if (underlying != null) {
aoqi@0	86	if (underlying.getMessage().contains("deserialization")) {
aoqi@0	87	System.err.printf("PASS: other test %s got expected exception %s\n", testName, underlying);
aoqi@0	88	return;
aoqi@0	89	}
aoqi@0	90	}
aoqi@0	91	System.err.printf("FAIL: other test %s got unexpected exception %s\n", testName, ite);
aoqi@0	92	throw new Exception("unexpected exception ", ite);
aoqi@0	93	}
aoqi@0	94	System.err.printf("FAIL: other test %s expected an exception", testName);
aoqi@0	95	throw new Exception("expected an exception" + testName);
aoqi@0	96	} else {
aoqi@0	97	readCheck(iName, testName, checkingClassLoader, ser);
aoqi@0	98	System.err.printf("PASS: other test %s readCheck\n", testName);
aoqi@0	99	}
aoqi@0	100	}
aoqi@0	101
aoqi@0	102	void readCheck(String iName, String testName, ClassLoader loader, byte[] ser) throws Exception {
aoqi@0	103	Class<?> k = loader.loadClass(testName);
aoqi@0	104	Object inst = getInstance(k);
aoqi@0	105	Method mrc = getMethod(k, "readCheck", ObjectInput.class);
aoqi@0	106	ByteArrayInputStream bais = new ByteArrayInputStream(ser);
aoqi@0	107	try (ObjectInput in = new ObjectInputStream(bais)) {
aoqi@0	108	mrc.invoke(inst, in);
aoqi@0	109	}
aoqi@0	110	}
aoqi@0	111
aoqi@0	112	Method getMethod(Class<?> k, String name, Class<?> argTypes) throws Exception {
aoqi@0	113	Method meth = k.getDeclaredMethod(name, argTypes);
aoqi@0	114	meth.setAccessible(true);
aoqi@0	115	return meth;
aoqi@0	116	}
aoqi@0	117
aoqi@0	118	Object getInstance(Class<?> k) throws Exception {
aoqi@0	119	Constructor<?> cons = k.getConstructors()[0];
aoqi@0	120	cons.setAccessible(true);
aoqi@0	121	return cons.newInstance();
aoqi@0	122	}
aoqi@0	123
aoqi@0	124	static class TestClassLoader extends ClassLoader {
aoqi@0	125	static final String compiledDir = System.getProperty("user.dir");
aoqi@0	126	static final String sourceBaseDir = System.getProperty("test.src");
aoqi@0	127
aoqi@0	128	final String context;
aoqi@0	129
aoqi@0	130	public TestClassLoader(String context) {
aoqi@0	131	super();
aoqi@0	132	this.context = context;
aoqi@0	133	}
aoqi@0	134
aoqi@0	135	@Override
aoqi@0	136	public Class findClass(String name) throws ClassNotFoundException {
aoqi@0	137	byte[] b;
aoqi@0	138
aoqi@0	139	try {
aoqi@0	140	b = loadClassData(name);
aoqi@0	141	} catch (Throwable th) {
aoqi@0	142	// th.printStackTrace();
aoqi@0	143	throw new ClassNotFoundException("Loading error", th);
aoqi@0	144	}
aoqi@0	145	return defineClass(name, b, 0, b.length);
aoqi@0	146	}
aoqi@0	147
aoqi@0	148	private byte[] loadClassData(String name) throws Exception {
aoqi@0	149	String srcName;
aoqi@0	150	if (name.startsWith("TEST"))
aoqi@0	151	srcName = name;
aoqi@0	152	else if (name.startsWith("I"))
aoqi@0	153	srcName = "TEST" + name.substring(1);
aoqi@0	154	else
aoqi@0	155	throw new Exception("Did not expect to load " + name);
aoqi@0	156	Path srcFile = Paths.get(sourceBaseDir, context, srcName + ".java");
aoqi@0	157	String testSource = new String(Files.readAllBytes(srcFile));
aoqi@0	158	ToolBox.JavaToolArgs javacSuccessArgs =
aoqi@0	159	new ToolBox.JavaToolArgs().setSources(testSource);
aoqi@0	160	ToolBox.javac(javacSuccessArgs);
aoqi@0	161	Path cfFile = Paths.get(compiledDir, name + ".class");
aoqi@0	162	byte[] bytes = Files.readAllBytes(cfFile);
aoqi@0	163	return bytes;
aoqi@0	164	}
aoqi@0	165	}
aoqi@0	166	}