mcimadamore@1060: /*
mcimadamore@1060:  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
mcimadamore@1060:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@1060:  *
mcimadamore@1060:  * This code is free software; you can redistribute it and/or modify it
mcimadamore@1060:  * under the terms of the GNU General Public License version 2 only, as
mcimadamore@1060:  * published by the Free Software Foundation.
mcimadamore@1060:  *
mcimadamore@1060:  * This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@1060:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@1060:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
mcimadamore@1060:  * version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@1060:  * accompanied this code).
mcimadamore@1060:  *
mcimadamore@1060:  * You should have received a copy of the GNU General Public License version
mcimadamore@1060:  * 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@1060:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@1060:  *
mcimadamore@1060:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
mcimadamore@1060:  * or visit www.oracle.com if you need additional information or have any
mcimadamore@1060:  * questions.
mcimadamore@1060:  */
mcimadamore@1060: 
mcimadamore@1060: /*
mcimadamore@1060:  * @test
mcimadamore@1060:  * @bug 7046778
mcimadamore@1060:  * @summary Project Coin: problem with diamond and member inner classes
mcimadamore@1060:  */
mcimadamore@1060: 
mcimadamore@1060: import com.sun.source.util.JavacTask;
mcimadamore@1060: import java.net.URI;
mcimadamore@1060: import java.util.Arrays;
mcimadamore@1060: import javax.tools.Diagnostic;
mcimadamore@1060: import javax.tools.JavaCompiler;
mcimadamore@1060: import javax.tools.JavaFileObject;
mcimadamore@1060: import javax.tools.SimpleJavaFileObject;
mcimadamore@1060: import javax.tools.StandardJavaFileManager;
mcimadamore@1060: import javax.tools.ToolProvider;
mcimadamore@1060: 
mcimadamore@1060: public class DiamondAndInnerClassTest {
mcimadamore@1060: 
mcimadamore@1060:     static int checkCount = 0;
mcimadamore@1060: 
mcimadamore@1060:     enum TypeArgumentKind {
mcimadamore@1060:         NONE(""),
mcimadamore@1060:         STRING("<String>"),
mcimadamore@1060:         INTEGER("<Integer>"),
mcimadamore@1060:         DIAMOND("<>");
mcimadamore@1060: 
mcimadamore@1060:         String typeargStr;
mcimadamore@1060: 
mcimadamore@1060:         private TypeArgumentKind(String typeargStr) {
mcimadamore@1060:             this.typeargStr = typeargStr;
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         boolean compatible(TypeArgumentKind that) {
mcimadamore@1060:             switch (this) {
mcimadamore@1060:                 case NONE: return true;
mcimadamore@1060:                 case STRING: return that != INTEGER;
mcimadamore@1060:                 case INTEGER: return that != STRING;
mcimadamore@1060:                 default: throw new AssertionError("Unexpected decl kind: " + this);
mcimadamore@1060:             }
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         boolean compatible(ArgumentKind that) {
mcimadamore@1060:             switch (this) {
mcimadamore@1060:                 case NONE: return true;
mcimadamore@1060:                 case STRING: return that == ArgumentKind.STRING;
mcimadamore@1060:                 case INTEGER: return that == ArgumentKind.INTEGER;
mcimadamore@1060:                 default: throw new AssertionError("Unexpected decl kind: " + this);
mcimadamore@1060:             }
mcimadamore@1060:         }
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     enum ArgumentKind {
mcimadamore@1060:         OBJECT("(Object)null"),
mcimadamore@1060:         STRING("(String)null"),
mcimadamore@1060:         INTEGER("(Integer)null");
mcimadamore@1060: 
mcimadamore@1060:         String argStr;
mcimadamore@1060: 
mcimadamore@1060:         private ArgumentKind(String argStr) {
mcimadamore@1060:             this.argStr = argStr;
mcimadamore@1060:         }
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     enum TypeQualifierArity {
mcimadamore@1060:         ONE(1, "A1#TA1"),
mcimadamore@1060:         TWO(2, "A1#TA1.A2#TA2"),
mcimadamore@1060:         THREE(3, "A1#TA1.A2#TA2.A3#TA3");
mcimadamore@1060: 
mcimadamore@1060:         int n;
mcimadamore@1060:         String qualifierStr;
mcimadamore@1060: 
mcimadamore@1060:         private TypeQualifierArity(int n, String qualifierStr) {
mcimadamore@1060:             this.n = n;
mcimadamore@1060:             this.qualifierStr = qualifierStr;
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         String getType(TypeArgumentKind... typeArgumentKinds) {
mcimadamore@1060:             String res = qualifierStr;
mcimadamore@1060:             for (int i = 1 ; i <= typeArgumentKinds.length ; i++) {
mcimadamore@1060:                 res = res.replace("#TA" + i, typeArgumentKinds[i-1].typeargStr);
mcimadamore@1060:             }
mcimadamore@1060:             return res;
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         boolean matches(InnerClassDeclArity innerClassDeclArity) {
mcimadamore@1060:             return n ==innerClassDeclArity.n;
mcimadamore@1060:         }
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     enum InnerClassDeclArity {
mcimadamore@1060:         ONE(1, "class A1<X> { A1(X x1) { } #B }"),
mcimadamore@1060:         TWO(2, "class A1<X1> { class A2<X2> { A2(X1 x1, X2 x2) { }  #B } }"),
mcimadamore@1060:         THREE(3, "class A1<X1> { class A2<X2> { class A3<X3> { A3(X1 x1, X2 x2, X3 x3) { } #B } } }");
mcimadamore@1060: 
mcimadamore@1060:         int n;
mcimadamore@1060:         String classDeclStr;
mcimadamore@1060: 
mcimadamore@1060:         private InnerClassDeclArity(int n, String classDeclStr) {
mcimadamore@1060:             this.n = n;
mcimadamore@1060:             this.classDeclStr = classDeclStr;
mcimadamore@1060:         }
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     enum ArgumentListArity {
mcimadamore@1060:         ONE(1, "(#A1)"),
mcimadamore@1060:         TWO(2, "(#A1,#A2)"),
mcimadamore@1060:         THREE(3, "(#A1,#A2,#A3)");
mcimadamore@1060: 
mcimadamore@1060:         int n;
mcimadamore@1060:         String argListStr;
mcimadamore@1060: 
mcimadamore@1060:         private ArgumentListArity(int n, String argListStr) {
mcimadamore@1060:             this.n = n;
mcimadamore@1060:             this.argListStr = argListStr;
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         String getArgs(ArgumentKind... argumentKinds) {
mcimadamore@1060:             String res = argListStr;
mcimadamore@1060:             for (int i = 1 ; i <= argumentKinds.length ; i++) {
mcimadamore@1060:                 res = res.replace("#A" + i, argumentKinds[i-1].argStr);
mcimadamore@1060:             }
mcimadamore@1060:             return res;
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         boolean matches(InnerClassDeclArity innerClassDeclArity) {
mcimadamore@1060:             return n ==innerClassDeclArity.n;
mcimadamore@1060:         }
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     public static void main(String... args) throws Exception {
mcimadamore@1060: 
mcimadamore@1060:         //create default shared JavaCompiler - reused across multiple compilations
mcimadamore@1060:         JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
mcimadamore@1060:         StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
mcimadamore@1060: 
mcimadamore@1060:         for (InnerClassDeclArity innerClassDeclArity : InnerClassDeclArity.values()) {
mcimadamore@1060:             for (TypeQualifierArity declType : TypeQualifierArity.values()) {
mcimadamore@1060:                 if (!declType.matches(innerClassDeclArity)) continue;
mcimadamore@1060:                 for (TypeQualifierArity newClassType : TypeQualifierArity.values()) {
mcimadamore@1060:                     if (!newClassType.matches(innerClassDeclArity)) continue;
mcimadamore@1060:                     for (ArgumentListArity argList : ArgumentListArity.values()) {
mcimadamore@1060:                         if (!argList.matches(innerClassDeclArity)) continue;
mcimadamore@1060:                         for (TypeArgumentKind taDecl1 : TypeArgumentKind.values()) {
mcimadamore@1060:                             boolean isDeclRaw = taDecl1 == TypeArgumentKind.NONE;
mcimadamore@1060:                             //no diamond on decl site
mcimadamore@1060:                             if (taDecl1 == TypeArgumentKind.DIAMOND) continue;
mcimadamore@1060:                             for (TypeArgumentKind taSite1 : TypeArgumentKind.values()) {
mcimadamore@1060:                                 boolean isSiteRaw = taSite1 == TypeArgumentKind.NONE;
mcimadamore@1060:                                 //diamond only allowed on the last type qualifier
mcimadamore@1060:                                 if (taSite1 == TypeArgumentKind.DIAMOND &&
mcimadamore@1060:                                         innerClassDeclArity != InnerClassDeclArity.ONE) continue;
mcimadamore@1060:                                 for (ArgumentKind arg1 : ArgumentKind.values()) {
mcimadamore@1060:                                     if (innerClassDeclArity == innerClassDeclArity.ONE) {
mcimadamore@1060:                                         new DiamondAndInnerClassTest(innerClassDeclArity, declType, newClassType,
mcimadamore@1060:                                                 argList, new TypeArgumentKind[] {taDecl1},
mcimadamore@1060:                                                 new TypeArgumentKind[] {taSite1}, new ArgumentKind[] {arg1}).run(comp, fm);
mcimadamore@1060:                                         continue;
mcimadamore@1060:                                     }
mcimadamore@1060:                                     for (TypeArgumentKind taDecl2 : TypeArgumentKind.values()) {
mcimadamore@1060:                                         //no rare types
mcimadamore@1060:                                         if (isDeclRaw != (taDecl2 == TypeArgumentKind.NONE)) continue;
mcimadamore@1060:                                         //no diamond on decl site
mcimadamore@1060:                                         if (taDecl2 == TypeArgumentKind.DIAMOND) continue;
mcimadamore@1060:                                         for (TypeArgumentKind taSite2 : TypeArgumentKind.values()) {
mcimadamore@1060:                                             //no rare types
mcimadamore@1060:                                             if (isSiteRaw != (taSite2 == TypeArgumentKind.NONE)) continue;
mcimadamore@1060:                                             //diamond only allowed on the last type qualifier
mcimadamore@1060:                                             if (taSite2 == TypeArgumentKind.DIAMOND &&
mcimadamore@1060:                                                     innerClassDeclArity != InnerClassDeclArity.TWO) continue;
mcimadamore@1060:                                             for (ArgumentKind arg2 : ArgumentKind.values()) {
mcimadamore@1060:                                                 if (innerClassDeclArity == innerClassDeclArity.TWO) {
mcimadamore@1060:                                                     new DiamondAndInnerClassTest(innerClassDeclArity, declType, newClassType,
mcimadamore@1060:                                                             argList, new TypeArgumentKind[] {taDecl1, taDecl2},
mcimadamore@1060:                                                             new TypeArgumentKind[] {taSite1, taSite2},
mcimadamore@1060:                                                             new ArgumentKind[] {arg1, arg2}).run(comp, fm);
mcimadamore@1060:                                                     continue;
mcimadamore@1060:                                                 }
mcimadamore@1060:                                                 for (TypeArgumentKind taDecl3 : TypeArgumentKind.values()) {
mcimadamore@1060:                                                     //no rare types
mcimadamore@1060:                                                     if (isDeclRaw != (taDecl3 == TypeArgumentKind.NONE)) continue;
mcimadamore@1060:                                                     //no diamond on decl site
mcimadamore@1060:                                                     if (taDecl3 == TypeArgumentKind.DIAMOND) continue;
mcimadamore@1060:                                                     for (TypeArgumentKind taSite3 : TypeArgumentKind.values()) {
mcimadamore@1060:                                                         //no rare types
mcimadamore@1060:                                                         if (isSiteRaw != (taSite3 == TypeArgumentKind.NONE)) continue;
mcimadamore@1060:                                                         //diamond only allowed on the last type qualifier
mcimadamore@1060:                                                         if (taSite3 == TypeArgumentKind.DIAMOND &&
mcimadamore@1060:                                                                 innerClassDeclArity != InnerClassDeclArity.THREE) continue;
mcimadamore@1060:                                                         for (ArgumentKind arg3 : ArgumentKind.values()) {
mcimadamore@1060:                                                             if (innerClassDeclArity == innerClassDeclArity.THREE) {
mcimadamore@1060:                                                                 new DiamondAndInnerClassTest(innerClassDeclArity, declType, newClassType,
mcimadamore@1060:                                                                         argList, new TypeArgumentKind[] {taDecl1, taDecl2, taDecl3},
mcimadamore@1060:                                                                         new TypeArgumentKind[] {taSite1, taSite2, taSite3},
mcimadamore@1060:                                                                         new ArgumentKind[] {arg1, arg2, arg3}).run(comp, fm);
mcimadamore@1060:                                                                 continue;
mcimadamore@1060:                                                             }
mcimadamore@1060:                                                         }
mcimadamore@1060:                                                     }
mcimadamore@1060:                                                 }
mcimadamore@1060:                                             }
mcimadamore@1060:                                         }
mcimadamore@1060:                                     }
mcimadamore@1060:                                 }
mcimadamore@1060:                             }
mcimadamore@1060:                         }
mcimadamore@1060:                     }
mcimadamore@1060:                 }
mcimadamore@1060:             }
mcimadamore@1060:         }
mcimadamore@1060:         System.out.println("Total check executed: " + checkCount);
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     InnerClassDeclArity innerClassDeclArity;
mcimadamore@1060:     TypeQualifierArity declType;
mcimadamore@1060:     TypeQualifierArity siteType;
mcimadamore@1060:     ArgumentListArity argList;
mcimadamore@1060:     TypeArgumentKind[] declTypeArgumentKinds;
mcimadamore@1060:     TypeArgumentKind[] siteTypeArgumentKinds;
mcimadamore@1060:     ArgumentKind[] argumentKinds;
mcimadamore@1060:     JavaSource source;
mcimadamore@1060:     DiagnosticChecker diagChecker;
mcimadamore@1060: 
mcimadamore@1060:     DiamondAndInnerClassTest(InnerClassDeclArity innerClassDeclArity,
mcimadamore@1060:             TypeQualifierArity declType, TypeQualifierArity siteType, ArgumentListArity argList,
mcimadamore@1060:             TypeArgumentKind[] declTypeArgumentKinds, TypeArgumentKind[] siteTypeArgumentKinds,
mcimadamore@1060:             ArgumentKind[] argumentKinds) {
mcimadamore@1060:         this.innerClassDeclArity = innerClassDeclArity;
mcimadamore@1060:         this.declType = declType;
mcimadamore@1060:         this.siteType = siteType;
mcimadamore@1060:         this.argList = argList;
mcimadamore@1060:         this.declTypeArgumentKinds = declTypeArgumentKinds;
mcimadamore@1060:         this.siteTypeArgumentKinds = siteTypeArgumentKinds;
mcimadamore@1060:         this.argumentKinds = argumentKinds;
mcimadamore@1060:         this.source = new JavaSource();
mcimadamore@1060:         this.diagChecker = new DiagnosticChecker();
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     class JavaSource extends SimpleJavaFileObject {
mcimadamore@1060: 
mcimadamore@1060:         String bodyTemplate = "#D res = new #S#AL;";
mcimadamore@1060: 
mcimadamore@1060:         String source;
mcimadamore@1060: 
mcimadamore@1060:         public JavaSource() {
mcimadamore@1060:             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
mcimadamore@1060:             source = innerClassDeclArity.classDeclStr.replace("#B", bodyTemplate)
mcimadamore@1060:                              .replace("#D", declType.getType(declTypeArgumentKinds))
mcimadamore@1060:                              .replace("#S", siteType.getType(siteTypeArgumentKinds))
mcimadamore@1060:                              .replace("#AL", argList.getArgs(argumentKinds));
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         @Override
mcimadamore@1060:         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
mcimadamore@1060:             return source;
mcimadamore@1060:         }
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
mcimadamore@1060:         JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker,
mcimadamore@1060:                 null, null, Arrays.asList(source));
mcimadamore@1060:         try {
mcimadamore@1060:             ct.analyze();
mcimadamore@1060:         } catch (Throwable ex) {
jjg@1169:             throw new AssertionError("Error thrown when compiling the following code:\n" + source.getCharContent(true));
mcimadamore@1060:         }
mcimadamore@1060:         check();
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     void check() {
mcimadamore@1060:         checkCount++;
mcimadamore@1060: 
mcimadamore@1060:         boolean errorExpected = false;
mcimadamore@1060: 
mcimadamore@1060:         TypeArgumentKind[] expectedArgKinds = new TypeArgumentKind[innerClassDeclArity.n];
mcimadamore@1060: 
mcimadamore@1060:         for (int i = 0 ; i < innerClassDeclArity.n ; i++) {
mcimadamore@1060:             if (!declTypeArgumentKinds[i].compatible(siteTypeArgumentKinds[i])) {
mcimadamore@1060:                 errorExpected = true;
mcimadamore@1060:                 break;
mcimadamore@1060:             }
mcimadamore@1060:             expectedArgKinds[i] = siteTypeArgumentKinds[i] == TypeArgumentKind.DIAMOND ?
mcimadamore@1060:                 declTypeArgumentKinds[i] : siteTypeArgumentKinds[i];
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         if (!errorExpected) {
mcimadamore@1060:             for (int i = 0 ; i < innerClassDeclArity.n ; i++) {
mcimadamore@1060:                 //System.out.println("check " + expectedArgKinds[i] + " against " + argumentKinds[i]);
mcimadamore@1060:                 if (!expectedArgKinds[i].compatible(argumentKinds[i])) {
mcimadamore@1060:                     errorExpected = true;
mcimadamore@1060:                     break;
mcimadamore@1060:                 }
mcimadamore@1060:             }
mcimadamore@1060:         }
mcimadamore@1060: 
mcimadamore@1060:         if (errorExpected != diagChecker.errorFound) {
mcimadamore@1060:             throw new Error("invalid diagnostics for source:\n" +
mcimadamore@1060:                 source.getCharContent(true) +
mcimadamore@1060:                 "\nFound error: " + diagChecker.errorFound +
mcimadamore@1060:                 "\nExpected error: " + errorExpected);
mcimadamore@1060:         }
mcimadamore@1060:     }
mcimadamore@1060: 
mcimadamore@1060:     static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
mcimadamore@1060: 
mcimadamore@1060:         boolean errorFound;
mcimadamore@1060: 
mcimadamore@1060:         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
mcimadamore@1060:             if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
mcimadamore@1060:                 errorFound = true;
mcimadamore@1060:             }
mcimadamore@1060:         }
mcimadamore@1060:     }
mcimadamore@1060: }