| /* |
| * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 7030687 |
| * @summary Diamond: compiler accepts erroneous code where diamond is used with non-generic inner class |
| * @modules jdk.compiler |
| */ |
| |
| import com.sun.source.util.JavacTask; |
| import java.net.URI; |
| import java.util.Arrays; |
| import javax.tools.Diagnostic; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileObject; |
| import javax.tools.SimpleJavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.ToolProvider; |
| |
| public class ParserTest { |
| |
| enum TypeArgumentKind { |
| NONE(""), |
| EXPLICIT("<String>"), |
| DIAMOND("<>"); |
| |
| String typeargStr; |
| |
| private TypeArgumentKind(String typeargStr) { |
| this.typeargStr = typeargStr; |
| } |
| } |
| |
| enum TypeQualifierArity { |
| ONE(1, "A1#TA1"), |
| TWO(2, "A1#TA1.A2#TA2"), |
| THREE(3, "A1#TA1.A2#TA2.A3#TA3"), |
| FOUR(4, "A1#TA1.A2#TA2.A3#TA3.A4#TA4"); |
| |
| int n; |
| String qualifierStr; |
| |
| private TypeQualifierArity(int n, String qualifierStr) { |
| this.n = n; |
| this.qualifierStr = qualifierStr; |
| } |
| |
| String getType(TypeArgumentKind... typeArgumentKinds) { |
| String res = qualifierStr; |
| for (int i = 1 ; i <= typeArgumentKinds.length ; i++) { |
| res = res.replace("#TA" + i, typeArgumentKinds[i-1].typeargStr); |
| } |
| return res; |
| } |
| } |
| |
| public static void main(String... args) throws Exception { |
| |
| //create default shared JavaCompiler - reused across multiple compilations |
| JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
| try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) { |
| |
| for (TypeQualifierArity arity : TypeQualifierArity.values()) { |
| for (TypeArgumentKind tak1 : TypeArgumentKind.values()) { |
| if (arity == TypeQualifierArity.ONE) { |
| new ParserTest(arity, tak1).run(comp, fm); |
| continue; |
| } |
| for (TypeArgumentKind tak2 : TypeArgumentKind.values()) { |
| if (arity == TypeQualifierArity.TWO) { |
| new ParserTest(arity, tak1, tak2).run(comp, fm); |
| continue; |
| } |
| for (TypeArgumentKind tak3 : TypeArgumentKind.values()) { |
| if (arity == TypeQualifierArity.THREE) { |
| new ParserTest(arity, tak1, tak2, tak3).run(comp, fm); |
| continue; |
| } |
| for (TypeArgumentKind tak4 : TypeArgumentKind.values()) { |
| new ParserTest(arity, tak1, tak2, tak3, tak4).run(comp, fm); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| TypeQualifierArity qualifierArity; |
| TypeArgumentKind[] typeArgumentKinds; |
| JavaSource source; |
| DiagnosticChecker diagChecker; |
| |
| ParserTest(TypeQualifierArity qualifierArity, TypeArgumentKind... typeArgumentKinds) { |
| this.qualifierArity = qualifierArity; |
| this.typeArgumentKinds = typeArgumentKinds; |
| this.source = new JavaSource(); |
| this.diagChecker = new DiagnosticChecker(); |
| } |
| |
| class JavaSource extends SimpleJavaFileObject { |
| |
| String template = "class Test {\n" + |
| "R res = new #T();\n" + |
| "}\n"; |
| |
| String source; |
| |
| public JavaSource() { |
| super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
| source = template.replace("#T", qualifierArity.getType(typeArgumentKinds)); |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return source; |
| } |
| } |
| |
| void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception { |
| JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker, |
| null, null, Arrays.asList(source)); |
| ct.parse(); |
| check(); |
| } |
| |
| void check() { |
| |
| boolean errorExpected = false; |
| |
| for (int i = 0 ; i < qualifierArity.n - 1 ; i++) { |
| if (typeArgumentKinds[i] == TypeArgumentKind.DIAMOND) { |
| errorExpected = true; |
| break; |
| } |
| } |
| |
| if (errorExpected != diagChecker.errorFound) { |
| throw new Error("invalid diagnostics for source:\n" + |
| source.getCharContent(true) + |
| "\nFound error: " + diagChecker.errorFound + |
| "\nExpected error: " + errorExpected); |
| } |
| } |
| |
| static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> { |
| |
| boolean errorFound; |
| |
| public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
| if (diagnostic.getKind() == Diagnostic.Kind.ERROR) { |
| errorFound = true; |
| } |
| } |
| } |
| } |