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test/tools/javac/lambda/mostSpecific/StructuralMostSpecificTest.java@959103a6100f (annotated)

test/tools/javac/lambda/mostSpecific/StructuralMostSpecificTest.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2012, 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 8003280 8006694
aoqi@0	27	* @summary Add lambda tests
aoqi@0	28	* Automatic test for checking correctness of structural most specific test routine
aoqi@0	29	* temporarily workaround combo tests are causing time out in several platforms
aoqi@0	30	* @library ../../lib
aoqi@0	31	* @build JavacTestingAbstractThreadedTest
aoqi@0	32	* @run main/othervm/timeout=600 StructuralMostSpecificTest
aoqi@0	33	*/
aoqi@0	34
aoqi@0	35	// use /othervm to avoid jtreg timeout issues (CODETOOLS-7900047)
aoqi@0	36	// see JDK-8006746
aoqi@0	37
aoqi@0	38	import java.net.URI;
aoqi@0	39	import java.util.Arrays;
aoqi@0	40	import javax.tools.Diagnostic;
aoqi@0	41	import javax.tools.JavaFileObject;
aoqi@0	42	import javax.tools.SimpleJavaFileObject;
aoqi@0	43	import com.sun.source.util.JavacTask;
aoqi@0	44	import com.sun.tools.javac.api.ClientCodeWrapper;
aoqi@0	45	import com.sun.tools.javac.util.JCDiagnostic;
aoqi@0	46
aoqi@0	47	public class StructuralMostSpecificTest
aoqi@0	48	extends JavacTestingAbstractThreadedTest
aoqi@0	49	implements Runnable {
aoqi@0	50
aoqi@0	51	enum RetTypeKind {
aoqi@0	52	SHORT("short"),
aoqi@0	53	INT("int"),
aoqi@0	54	OBJECT("Object"),
aoqi@0	55	INTEGER("Integer"),
aoqi@0	56	VOID("void"),
aoqi@0	57	J_L_VOID("Void");
aoqi@0	58
aoqi@0	59	String retTypeStr;
aoqi@0	60
aoqi@0	61	RetTypeKind(String retTypeStr) {
aoqi@0	62	this.retTypeStr = retTypeStr;
aoqi@0	63	}
aoqi@0	64
aoqi@0	65	boolean moreSpecificThan(RetTypeKind rk) {
aoqi@0	66	return moreSpecificThan[this.ordinal()][rk.ordinal()];
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	static boolean[][] moreSpecificThan = {
aoqi@0	70	// SHORT | INT | OBJECT | INTEGER | VOID | J_L_VOID
aoqi@0	71	/* SHORT */ { true , true , true , false , false , false },
aoqi@0	72	/* INT */ { false , true , true , true , false , false },
aoqi@0	73	/* OBJECT */ { false , false , true , false , false , false },
aoqi@0	74	/* INTEGER */ { false , false , true , true , false , false },
aoqi@0	75	/* VOID */ { false , false , false , false , true , true },
aoqi@0	76	/* J_L_VOID */{ false , false , true , false , false , true } };
aoqi@0	77	}
aoqi@0	78
aoqi@0	79	enum ArgTypeKind {
aoqi@0	80	SHORT("short"),
aoqi@0	81	INT("int"),
aoqi@0	82	BOOLEAN("boolean"),
aoqi@0	83	OBJECT("Object"),
aoqi@0	84	INTEGER("Integer"),
aoqi@0	85	DOUBLE("Double");
aoqi@0	86
aoqi@0	87	String argTypeStr;
aoqi@0	88
aoqi@0	89	ArgTypeKind(String typeStr) {
aoqi@0	90	this.argTypeStr = typeStr;
aoqi@0	91	}
aoqi@0	92	}
aoqi@0	93
aoqi@0	94	enum ExceptionKind {
aoqi@0	95	NONE(""),
aoqi@0	96	EXCEPTION("throws Exception"),
aoqi@0	97	SQL_EXCEPTION("throws java.sql.SQLException"),
aoqi@0	98	IO_EXCEPTION("throws java.io.IOException");
aoqi@0	99
aoqi@0	100	String exceptionStr;
aoqi@0	101
aoqi@0	102	ExceptionKind(String exceptionStr) {
aoqi@0	103	this.exceptionStr = exceptionStr;
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106
aoqi@0	107	enum LambdaReturnKind {
aoqi@0	108	VOID("return;"),
aoqi@0	109	SHORT("return (short)0;"),
aoqi@0	110	INT("return 0;"),
aoqi@0	111	INTEGER("return (Integer)null;"),
aoqi@0	112	NULL("return null;");
aoqi@0	113
aoqi@0	114	String retStr;
aoqi@0	115
aoqi@0	116	LambdaReturnKind(String retStr) {
aoqi@0	117	this.retStr = retStr;
aoqi@0	118	}
aoqi@0	119
aoqi@0	120	boolean compatibleWith(RetTypeKind rk) {
aoqi@0	121	return compatibleWith[rk.ordinal()][ordinal()];
aoqi@0	122	}
aoqi@0	123
aoqi@0	124	static boolean[][] compatibleWith = {
aoqi@0	125	// VOID | SHORT | INT | INTEGER | NULL
aoqi@0	126	/* SHORT */ { false , true , false , false , false },
aoqi@0	127	/* INT */ { false , true , true , true , false },
aoqi@0	128	/* OBJECT */ { false , true , true , true , true },
aoqi@0	129	/* INTEGER */ { false , false , true , true , true },
aoqi@0	130	/* VOID */ { true , false , false , false , false },
aoqi@0	131	/* J_L_VOID */{ false , false , false , false , true } };
aoqi@0	132
aoqi@0	133	boolean needsConversion(RetTypeKind rk) {
aoqi@0	134	return needsConversion[rk.ordinal()][ordinal()];
aoqi@0	135	}
aoqi@0	136
aoqi@0	137	static boolean[][] needsConversion = {
aoqi@0	138	// VOID | SHORT | INT | INTEGER | NULL
aoqi@0	139	/* SHORT */ { false , false , false , false , false },
aoqi@0	140	/* INT */ { false , false , false , true , false },
aoqi@0	141	/* OBJECT */ { false , true , true , false , false },
aoqi@0	142	/* INTEGER */ { false , false , true , false , false },
aoqi@0	143	/* VOID */ { false , false , false , false , false },
aoqi@0	144	/* J_L_VOID */{ true , false , false , false , false } };
aoqi@0	145	}
aoqi@0	146
aoqi@0	147	public static void main(String... args) throws Exception {
aoqi@0	148	for (LambdaReturnKind lrk : LambdaReturnKind.values()) {
aoqi@0	149	for (RetTypeKind rk1 : RetTypeKind.values()) {
aoqi@0	150	for (RetTypeKind rk2 : RetTypeKind.values()) {
aoqi@0	151	for (ExceptionKind ek1 : ExceptionKind.values()) {
aoqi@0	152	for (ExceptionKind ek2 : ExceptionKind.values()) {
aoqi@0	153	for (ArgTypeKind ak11 : ArgTypeKind.values()) {
aoqi@0	154	for (ArgTypeKind ak12 : ArgTypeKind.values()) {
aoqi@0	155	pool.execute(
aoqi@0	156	new StructuralMostSpecificTest(lrk, rk1,
aoqi@0	157	rk2, ek1, ek2, ak11, ak12));
aoqi@0	158	}
aoqi@0	159	}
aoqi@0	160	}
aoqi@0	161	}
aoqi@0	162	}
aoqi@0	163	}
aoqi@0	164	}
aoqi@0	165
aoqi@0	166	checkAfterExec();
aoqi@0	167	}
aoqi@0	168
aoqi@0	169	LambdaReturnKind lrk;
aoqi@0	170	RetTypeKind rt1, rt2;
aoqi@0	171	ArgTypeKind ak1, ak2;
aoqi@0	172	ExceptionKind ek1, ek2;
aoqi@0	173	JavaSource source;
aoqi@0	174	DiagnosticChecker diagChecker;
aoqi@0	175
aoqi@0	176	StructuralMostSpecificTest(LambdaReturnKind lrk, RetTypeKind rt1, RetTypeKind rt2,
aoqi@0	177	ExceptionKind ek1, ExceptionKind ek2, ArgTypeKind ak1, ArgTypeKind ak2) {
aoqi@0	178	this.lrk = lrk;
aoqi@0	179	this.rt1 = rt1;
aoqi@0	180	this.rt2 = rt2;
aoqi@0	181	this.ek1 = ek1;
aoqi@0	182	this.ek2 = ek2;
aoqi@0	183	this.ak1 = ak1;
aoqi@0	184	this.ak2 = ak2;
aoqi@0	185	this.source = new JavaSource();
aoqi@0	186	this.diagChecker = new DiagnosticChecker();
aoqi@0	187	}
aoqi@0	188
aoqi@0	189	class JavaSource extends SimpleJavaFileObject {
aoqi@0	190
aoqi@0	191	String template = "interface SAM1 {\n" +
aoqi@0	192	" #R1 m(#A1 a1) #E1;\n" +
aoqi@0	193	"}\n" +
aoqi@0	194	"interface SAM2 {\n" +
aoqi@0	195	" #R2 m(#A2 a1) #E2;\n" +
aoqi@0	196	"}\n" +
aoqi@0	197	"class Test {\n" +
aoqi@0	198	" void m(SAM1 s) { }\n" +
aoqi@0	199	" void m(SAM2 s) { }\n" +
aoqi@0	200	" { m((#A1 x)->{ #LR }); }\n" +
aoqi@0	201	"}\n";
aoqi@0	202
aoqi@0	203	String source;
aoqi@0	204
aoqi@0	205	public JavaSource() {
aoqi@0	206	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
aoqi@0	207	source = template.replaceAll("#LR", lrk.retStr)
aoqi@0	208	.replaceAll("#R1", rt1.retTypeStr)
aoqi@0	209	.replaceAll("#R2", rt2.retTypeStr)
aoqi@0	210	.replaceAll("#A1", ak1.argTypeStr)
aoqi@0	211	.replaceAll("#A2", ak2.argTypeStr)
aoqi@0	212	.replaceAll("#E1", ek1.exceptionStr)
aoqi@0	213	.replaceAll("#E2", ek2.exceptionStr);
aoqi@0	214	}
aoqi@0	215
aoqi@0	216	@Override
aoqi@0	217	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	218	return source;
aoqi@0	219	}
aoqi@0	220	}
aoqi@0	221
aoqi@0	222	public void run() {
aoqi@0	223	JavacTask ct = (JavacTask)comp.getTask(null, fm.get(), diagChecker,
aoqi@0	224	Arrays.asList("-XDverboseResolution=all,-predef,-internal,-object-init"),
aoqi@0	225	null, Arrays.asList(source));
aoqi@0	226	try {
aoqi@0	227	ct.analyze();
aoqi@0	228	} catch (Throwable ex) {
aoqi@0	229	throw new
aoqi@0	230	AssertionError("Error thron when analyzing the following source:\n" +
aoqi@0	231	source.getCharContent(true));
aoqi@0	232	}
aoqi@0	233	check();
aoqi@0	234	}
aoqi@0	235
aoqi@0	236	void check() {
aoqi@0	237	checkCount.incrementAndGet();
aoqi@0	238
aoqi@0	239	if (ak1 != ak2)
aoqi@0	240	return;
aoqi@0	241
aoqi@0	242	if (!lrk.compatibleWith(rt1) || !lrk.compatibleWith(rt2))
aoqi@0	243	return;
aoqi@0	244
aoqi@0	245	if (lrk.needsConversion(rt1) != lrk.needsConversion(rt2))
aoqi@0	246	return;
aoqi@0	247
aoqi@0	248	boolean m1MoreSpecific = rt1.moreSpecificThan(rt2);
aoqi@0	249	boolean m2MoreSpecific = rt2.moreSpecificThan(rt1);
aoqi@0	250
aoqi@0	251	boolean ambiguous = (m1MoreSpecific == m2MoreSpecific);
aoqi@0	252
aoqi@0	253	if (ambiguous != diagChecker.ambiguityFound) {
aoqi@0	254	throw new Error("invalid diagnostics for source:\n" +
aoqi@0	255	source.getCharContent(true) +
aoqi@0	256	"\nAmbiguity found: " + diagChecker.ambiguityFound +
aoqi@0	257	"\nm1 more specific: " + m1MoreSpecific +
aoqi@0	258	"\nm2 more specific: " + m2MoreSpecific +
aoqi@0	259	"\nexpected ambiguity: " + ambiguous);
aoqi@0	260	}
aoqi@0	261
aoqi@0	262	if (!ambiguous) {
aoqi@0	263	String sigToCheck = m1MoreSpecific ? "m(SAM1)" : "m(SAM2)";
aoqi@0	264	if (!sigToCheck.equals(diagChecker.mostSpecificSig)) {
aoqi@0	265	throw new Error("invalid most specific method selected:\n" +
aoqi@0	266	source.getCharContent(true) +
aoqi@0	267	"\nMost specific found: " + diagChecker.mostSpecificSig +
aoqi@0	268	"\nm1 more specific: " + m1MoreSpecific +
aoqi@0	269	"\nm2 more specific: " + m2MoreSpecific);
aoqi@0	270	}
aoqi@0	271	}
aoqi@0	272	}
aoqi@0	273
aoqi@0	274	static class DiagnosticChecker
aoqi@0	275	implements javax.tools.DiagnosticListener<JavaFileObject> {
aoqi@0	276
aoqi@0	277	boolean ambiguityFound;
aoqi@0	278	String mostSpecificSig;
aoqi@0	279
aoqi@0	280	public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
aoqi@0	281	try {
aoqi@0	282	if (diagnostic.getKind() == Diagnostic.Kind.ERROR &&
aoqi@0	283	diagnostic.getCode().equals("compiler.err.ref.ambiguous")) {
aoqi@0	284	ambiguityFound = true;
aoqi@0	285	} else if (diagnostic.getKind() == Diagnostic.Kind.NOTE &&
aoqi@0	286	diagnostic.getCode()
aoqi@0	287	.equals("compiler.note.verbose.resolve.multi")) {
aoqi@0	288	ClientCodeWrapper.DiagnosticSourceUnwrapper dsu =
aoqi@0	289	(ClientCodeWrapper.DiagnosticSourceUnwrapper)diagnostic;
aoqi@0	290	JCDiagnostic.MultilineDiagnostic mdiag =
aoqi@0	291	(JCDiagnostic.MultilineDiagnostic)dsu.d;
aoqi@0	292	int mostSpecificIndex = (Integer)mdiag.getArgs()[2];
aoqi@0	293	mostSpecificSig =
aoqi@0	294	((JCDiagnostic)mdiag.getSubdiagnostics()
aoqi@0	295	.get(mostSpecificIndex)).getArgs()[1].toString();
aoqi@0	296	}
aoqi@0	297	} catch (RuntimeException t) {
aoqi@0	298	t.printStackTrace();
aoqi@0	299	throw t;
aoqi@0	300	}
aoqi@0	301	}
aoqi@0	302	}
aoqi@0	303
aoqi@0	304	}