Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * 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

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  * questions.

  */

 /**

  * @test

  * @bug     6550655

  * @summary javac crashes when compiling against an annotated class

  */

 import java.io.File;

 import java.net.URI;

 import java.util.Arrays;

 import javax.tools.Diagnostic;

 import javax.tools.DiagnosticListener;

 import javax.tools.JavaCompiler;

 import javax.tools.JavaCompiler.CompilationTask;

 import javax.tools.JavaFileObject;

 import javax.tools.SimpleJavaFileObject;

 import javax.tools.ToolProvider;

 public class T6550655 {

     JavaCompiler javacTool;

     File testDir;

     TestKind testKind;

     EnumActionKind actionKind;

     String testSource = "enum E { NORTH, SOUTH, WEST, EAST; }\n" +

                         "@I(val = E.NORTH)class A {}\n" +

                         "@interface I { E val(); }";

     T6550655(JavaCompiler javacTool, File testDir, TestKind testKind, EnumActionKind actionKind) {

         this.javacTool = javacTool;

         this.testDir = testDir;

         this.testKind = testKind;

         this.actionKind = actionKind;

     }

     void test() {

         testDir.mkdirs();

         compile(null, new JavaSource("Test.java", testSource));

         actionKind.doAction(this);

         compile(new DiagnosticChecker(), testKind.source);

     }

     void compile(DiagnosticChecker dc, JavaSource... sources) {

         try {

             CompilationTask ct = javacTool.getTask(null, null, dc,

                     Arrays.asList("-d", testDir.getAbsolutePath(), "-cp", testDir.getAbsolutePath()),

                     null, Arrays.asList(sources));

             ct.call();

         }

         catch (Exception e) {

             error("Internal compilation error");

         }

     }

     void replaceEnum(String newSource) {

         compile(null, new JavaSource("Replace.java", newSource));

     };

     void removeEnum() {

         File enumClass = new File(testDir, "E.class");

         if (!enumClass.exists()) {

             error("Expected file E.class does not exists in folder " + testDir);

         }

         enumClass.delete();

     };

     void error(String msg) {

         System.err.println(msg);

         nerrors++;

     }

     class DiagnosticChecker implements DiagnosticListener<JavaFileObject> {

         String[][] expectedKeys = new String[][] {

          //             DIRECT,                                         INDIRECT

         {/*REPLACE1*/   "compiler.err.cant.resolve.location"     ,      "compiler.warn.unknown.enum.constant" },

         {/*REPLACE2*/   "compiler.err.cant.resolve.location.args",      "compiler.warn.annotation.method.not.found" },

         {/*REMOVE*/     "compiler.err.cant.resolve"              ,      "compiler.warn.unknown.enum.constant.reason" } };

         String keyToIgnore = "compiler.err.attribute.value.must.be.constant";

         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {

             String expectedCode = expectedKeys[actionKind.ordinal()][testKind.ordinal()];

             if (!diagnostic.getCode().equals(keyToIgnore) &&

                     !diagnostic.getCode().equals(expectedCode)) {

                 error("Unexpected diagnostic" +

                       "\nfound " + diagnostic.getCode() +

                       "\nexpected " + expectedCode +

                       "\ntestKind " + testKind +

                       "\nactionKind " + actionKind);

             }

         }

     }

     //global declarations

     enum EnumActionKind {

         REPLACE1("enum E { SOUTH, WEST, EAST; }") {

             @Override

             void doAction(T6550655 test) {

                 test.replaceEnum(optionalSource);

             }

         },

         REPLACE2("@interface I { E valNew() default E.EAST; }") {

             @Override

             void doAction(T6550655 test) {

                 test.replaceEnum(optionalSource);

             }

         },

         REMOVE(null) {

             @Override

             void doAction(T6550655 test) { test.removeEnum(); }

         };

         String optionalSource;

         private EnumActionKind(String optionalSource) {

             this.optionalSource = optionalSource;

         }

         abstract void doAction(T6550655 test);

     }

     enum TestKind {

         DIRECT("@I(val = E.NORTH)class C1 {}"),

         INDIRECT("class C2 { A a; }");

         JavaSource source;

         private TestKind(final String code) {

             this.source = new JavaSource("Test.java", code);

         }

     }

     public static void main(String[] args) throws Exception {

         String SCRATCH_DIR = System.getProperty("user.dir");

         JavaCompiler javacTool = ToolProvider.getSystemJavaCompiler();

         int n = 0;

         for (TestKind testKind : TestKind.values()) {

             for (EnumActionKind actionKind : EnumActionKind.values()) {

                 File testDir = new File(SCRATCH_DIR, "test"+n);

                 new T6550655(javacTool, testDir, testKind, actionKind).test();

                 n++;

             }

         }

         if (nerrors > 0) {

             throw new AssertionError("Some errors have been detected");

         }

     }

     static class JavaSource extends SimpleJavaFileObject {

         String source;

         public JavaSource(String filename, String source) {

             super(URI.create("myfo:/" + filename), JavaFileObject.Kind.SOURCE);

             this.source = source;

         }

         @Override

         public CharSequence getCharContent(boolean ignoreEncodingErrors) {

             return source;

         }

     }

     static int nerrors = 0;

 }