jdk8-mips64-public/langtools: test/tools/javac/generics/inference/7086601/T7086601b.java@116f68a5e677 (annotated)

test/tools/javac/generics/inference/7086601/T7086601b.java@116f68a5e677 (annotated)

test/tools/javac/generics/inference/7086601/T7086601b.java

Fri, 23 Dec 2011 22:30:33 +0000

author: jjg
date: Fri, 23 Dec 2011 22:30:33 +0000
changeset 1169: 116f68a5e677
parent 1087: 3a2200681d69
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

7124605: typos in javac comments
Reviewed-by: ksrini

 /*
  * Copyright (c) 2011, 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 7086601
  * @summary Error message bug: cause for method mismatch is 'null'
  */
 import com.sun.source.util.JavacTask;
 import java.net.URI;
 import java.util.Arrays;
 import java.util.ArrayList;
 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 T7086601b {
     static int checkCount = 0;
     enum TypeKind {
         STRING("String", false),
         INTEGER("Integer", false),
         NUMBER("Number", false),
         SERIALIZABLE("java.io.Serializable", true),
         CLONEABLE("Cloneable", true),
         X("X", false),
         Y("Y", false),
         Z("Z", false);
         String typeStr;
         boolean isInterface;
         private TypeKind(String typeStr, boolean isInterface) {
             this.typeStr = typeStr;
             this.isInterface = isInterface;
         }
         boolean isSubtypeof(TypeKind other) {
             return (this == INTEGER && other == NUMBER ||
                     this == Z && other == Y ||
                     this == other);
         }
     }
     enum MethodCallKind {
         ARITY_ONE("m(a1);", 1),
         ARITY_TWO("m(a1, a2);", 2),
         ARITY_THREE("m(a1, a2, a3);", 3);
         String invokeString;
         int arity;
         private MethodCallKind(String invokeString, int arity) {
             this.invokeString = invokeString;
             this.arity = arity;
         }
     }
     public static void main(String... args) throws Exception {
         //create default shared JavaCompiler - reused across multiple compilations
         JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
         StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
         for (TypeKind a1 : TypeKind.values()) {
             for (TypeKind a2 : TypeKind.values()) {
                 for (TypeKind a3 : TypeKind.values()) {
                     for (MethodCallKind mck : MethodCallKind.values()) {
                         new T7086601b(a1, a2, a3, mck).run(comp, fm);
                     }
                 }
             }
         }
         System.out.println("Total check executed: " + checkCount);
     }
     TypeKind a1;
     TypeKind a2;
     TypeKind a3;
     MethodCallKind mck;
     JavaSource source;
     DiagnosticChecker diagChecker;
     T7086601b(TypeKind a1, TypeKind a2, TypeKind a3, MethodCallKind mck) {
         this.a1 = a1;
         this.a2 = a2;
         this.a3 = a3;
         this.mck = mck;
         this.source = new JavaSource();
         this.diagChecker = new DiagnosticChecker();
     }
     class JavaSource extends SimpleJavaFileObject {
         final String bodyTemplate = "import java.util.List;\n"+
                               "class Test {\n" +
                               "   <Z> void m(List<? super Z> l1) { }\n" +
                               "   <Z> void m(List<? super Z> l1, List<? super Z> l2) { }\n" +
                               "   <Z> void m(List<? super Z> l1, List<? super Z> l2, List<? super Z> l3) { }\n" +
                               "   <X,Y,Z extends Y> void test(List<#A1> a1, List<#A2> a2, List<#A3> a3) { #MC } }";
         String source;
         public JavaSource() {
             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
             source = bodyTemplate.replace("#A1", a1.typeStr)
                              .replace("#A2", a2.typeStr).replace("#A3", a3.typeStr)
                              .replace("#MC", mck.invokeString);
         }
         @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));
         try {
             ct.analyze();
         } catch (Throwable ex) {
             throw new AssertionError("Error thrown when compiling the following code:\n" + source.getCharContent(true));
         }
         check();
     }
     void check() {
         checkCount++;
         boolean errorExpected = false;
         if (mck.arity > 1) {
             TypeKind[] argtypes = { a1, a2, a3 };
             ArrayList<TypeKind> classes = new ArrayList<>();
             for (int i = 0 ; i < mck.arity ; i ++ ) {
                 if (!argtypes[i].isInterface) {
                     classes.add(argtypes[i]);
                 }
             }
             boolean glb_exists = true;
             for (TypeKind arg_i : classes) {
                 glb_exists = true;
                 for (TypeKind arg_j : classes) {
                     if (!arg_i.isSubtypeof(arg_j)) {
                         glb_exists = false;
                         break;
                     }
                 }
                 if (glb_exists) break;
             }
             errorExpected = !glb_exists;
         }
         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;
             }
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/generics/inference/7086601/T7086601b.java@116f68a5e677 (annotated)

test/tools/javac/generics/inference/7086601/T7086601b.java