260 lines
9.9 KiB
Java
260 lines
9.9 KiB
Java
/*
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* Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8003280 8006694 8129962
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* @summary Add lambda tests
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* Automatic test for checking correctness of structural most specific test routine
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* temporarily workaround combo tests are causing time out in several platforms
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* @library /tools/javac/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.util
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* @build combo.ComboTestHelper
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* @run main StructuralMostSpecificTest
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*/
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import javax.lang.model.element.Element;
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import javax.tools.Diagnostic;
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import javax.tools.JavaFileObject;
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import com.sun.tools.javac.api.ClientCodeWrapper;
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import com.sun.tools.javac.util.JCDiagnostic;
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import com.sun.tools.javac.util.List;
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import combo.ComboInstance;
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import combo.ComboParameter;
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import combo.ComboTask.Result;
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import combo.ComboTestHelper;
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public class StructuralMostSpecificTest extends ComboInstance<StructuralMostSpecificTest> {
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enum RetTypeKind implements ComboParameter {
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SHORT("short"),
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INT("int"),
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OBJECT("Object"),
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INTEGER("Integer"),
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VOID("void"),
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J_L_VOID("Void");
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String retTypeStr;
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RetTypeKind(String retTypeStr) {
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this.retTypeStr = retTypeStr;
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}
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boolean moreSpecificThan(RetTypeKind rk) {
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return moreSpecificThan[this.ordinal()][rk.ordinal()];
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}
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static boolean[][] moreSpecificThan = {
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// SHORT | INT | OBJECT | INTEGER | VOID | J_L_VOID
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/* SHORT */ { true , true , true , false , false , false },
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/* INT */ { false , true , true , true , false , false },
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/* OBJECT */ { false , false , true , false , false , false },
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/* INTEGER */ { false , false , true , true , false , false },
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/* VOID */ { false , false , false , false , true , true },
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/* J_L_VOID */{ false , false , true , false , false , true } };
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public String expand(String optParameter) {
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return retTypeStr;
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}
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}
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enum ArgTypeKind implements ComboParameter {
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SHORT("short"),
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INT("int"),
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BOOLEAN("boolean"),
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OBJECT("Object"),
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INTEGER("Integer"),
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DOUBLE("Double");
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String argTypeStr;
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ArgTypeKind(String typeStr) {
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this.argTypeStr = typeStr;
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}
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public String expand(String optParameter) {
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return argTypeStr;
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}
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}
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enum ExceptionKind implements ComboParameter {
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NONE(""),
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EXCEPTION("throws Exception"),
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SQL_EXCEPTION("throws java.sql.SQLException"),
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IO_EXCEPTION("throws java.io.IOException");
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String exceptionStr;
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ExceptionKind(String exceptionStr) {
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this.exceptionStr = exceptionStr;
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}
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public String expand(String optParameter) {
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return exceptionStr;
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}
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}
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enum LambdaReturnKind implements ComboParameter {
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VOID("return;"),
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SHORT("return (short)0;"),
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INT("return 0;"),
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INTEGER("return (Integer)null;"),
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NULL("return null;");
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String retStr;
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LambdaReturnKind(String retStr) {
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this.retStr = retStr;
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}
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boolean compatibleWith(RetTypeKind rk) {
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return compatibleWith[rk.ordinal()][ordinal()];
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}
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static boolean[][] compatibleWith = {
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// VOID | SHORT | INT | INTEGER | NULL
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/* SHORT */ { false , true , false , false , false },
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/* INT */ { false , true , true , true , false },
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/* OBJECT */ { false , true , true , true , true },
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/* INTEGER */ { false , false , true , true , true },
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/* VOID */ { true , false , false , false , false },
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/* J_L_VOID */{ false , false , false , false , true } };
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boolean needsConversion(RetTypeKind rk) {
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return needsConversion[rk.ordinal()][ordinal()];
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}
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static boolean[][] needsConversion = {
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// VOID | SHORT | INT | INTEGER | NULL
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/* SHORT */ { false , false , false , false , false },
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/* INT */ { false , false , false , true , false },
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/* OBJECT */ { false , true , true , false , false },
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/* INTEGER */ { false , false , true , false , false },
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/* VOID */ { false , false , false , false , false },
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/* J_L_VOID */{ true , false , false , false , false } };
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public String expand(String optParameter) {
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return retStr;
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}
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}
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static final String sourceTemplate =
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"interface SAM1 {\n" +
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" #{RET[0]} m(#{ARG[0]} a1) #{EX[0]};\n" +
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"}\n" +
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"interface SAM2 {\n" +
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" #{RET[1]} m(#{ARG[1]} a1) #{EX[1]};\n" +
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"}\n" +
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"class Test {\n" +
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" void m(SAM1 s) { }\n" +
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" void m(SAM2 s) { }\n" +
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" { m((#{ARG[0]} x)->{ #{EXPR} }); }\n" +
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"}\n";
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public static void main(String... args) throws Exception {
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new ComboTestHelper<StructuralMostSpecificTest>()
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.withFilter(StructuralMostSpecificTest::hasSameArguments)
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.withFilter(StructuralMostSpecificTest::hasCompatibleReturns)
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.withFilter(StructuralMostSpecificTest::hasSameOverloadPhase)
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.withDimension("EXPR", (x, expr) -> x.lambdaReturnKind = expr, LambdaReturnKind.values())
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.withArrayDimension("RET", (x, ret, idx) -> x.returnType[idx] = ret, 2, RetTypeKind.values())
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.withArrayDimension("EX", 2, ExceptionKind.values())
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.withArrayDimension("ARG", (x, arg, idx) -> x.argumentKind[idx] = arg, 2, ArgTypeKind.values())
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.run(StructuralMostSpecificTest::new);
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}
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LambdaReturnKind lambdaReturnKind;
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RetTypeKind[] returnType = new RetTypeKind[2];
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ArgTypeKind[] argumentKind = new ArgTypeKind[2];
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boolean hasSameArguments() {
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return argumentKind[0] == argumentKind[1];
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}
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boolean hasCompatibleReturns() {
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return lambdaReturnKind.compatibleWith(returnType[0]) &&
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lambdaReturnKind.compatibleWith(returnType[1]);
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}
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boolean hasSameOverloadPhase() {
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return lambdaReturnKind.needsConversion(returnType[0]) == lambdaReturnKind.needsConversion(returnType[1]);
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}
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@Override
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public void doWork() throws Throwable {
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newCompilationTask()
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.withSourceFromTemplate(sourceTemplate)
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.withOption("--debug=verboseResolution=all,-predef,-internal,-object-init")
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.analyze(this::check);
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}
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void check(Result<Iterable<? extends Element>> result) {
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boolean m1MoreSpecific = returnType[0].moreSpecificThan(returnType[1]);
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boolean m2MoreSpecific = returnType[1].moreSpecificThan(returnType[0]);
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boolean ambiguous = (m1MoreSpecific == m2MoreSpecific);
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if (ambiguous != ambiguityFound(result)) {
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fail("invalid diagnostics for combo:\n" +
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result.compilationInfo() + "\n" +
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"\nAmbiguity found: " + ambiguityFound(result) +
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"\nm1 more specific: " + m1MoreSpecific +
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"\nm2 more specific: " + m2MoreSpecific +
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"\nexpected ambiguity: " + ambiguous);
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}
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if (!ambiguous) {
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String sigToCheck = m1MoreSpecific ? "m(SAM1)" : "m(SAM2)";
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if (!sigToCheck.equals(mostSpecificSignature(result))) {
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fail("invalid most specific method selected:\n" +
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result.compilationInfo() + "\n" +
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"\nMost specific found: " + mostSpecificSignature(result) +
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"\nm1 more specific: " + m1MoreSpecific +
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"\nm2 more specific: " + m2MoreSpecific);
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}
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}
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}
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boolean ambiguityFound(Result<Iterable<? extends Element>> result) {
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return result.containsKey("compiler.err.ref.ambiguous");
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}
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String mostSpecificSignature(Result<Iterable<? extends Element>> result) {
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List<Diagnostic<? extends JavaFileObject>> rsDiag =
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result.diagnosticsForKey("compiler.note.verbose.resolve.multi");
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if (rsDiag.nonEmpty()) {
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ClientCodeWrapper.DiagnosticSourceUnwrapper dsu =
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(ClientCodeWrapper.DiagnosticSourceUnwrapper)rsDiag.head;
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JCDiagnostic.MultilineDiagnostic mdiag =
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(JCDiagnostic.MultilineDiagnostic)dsu.d;
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int mostSpecificIndex = (Integer)mdiag.getArgs()[2];
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return mdiag.getSubdiagnostics().get(mostSpecificIndex).getArgs()[1].toString();
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} else {
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return null;
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}
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}
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}
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