jdk8-mips64-public/langtools: test/tools/javac/TryWithResources/InterruptedExceptionTest.java@de1c65ecfec2 (annotated)

test/tools/javac/TryWithResources/InterruptedExceptionTest.java@de1c65ecfec2 (annotated)

test/tools/javac/TryWithResources/InterruptedExceptionTest.java

Tue, 29 Mar 2011 16:41:18 +0100

author: mcimadamore
date: Tue, 29 Mar 2011 16:41:18 +0100
changeset 951: de1c65ecfec2
parent 0: 959103a6100f
permissions: -rw-r--r--

7027157: Project Coin: javac warnings for AutoCloseable.close throwing InterruptedException
Summary: javac should warn about use/declaration of AutoCloseable subclasses that can throw InterruptedException
Reviewed-by: jjg

 /*
  * 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 7027157
  * @summary Project Coin: javac warnings for AutoCloseable.close throwing InterruptedException
  */
 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 InterruptedExceptionTest {
     enum XlintOption {
         NONE("none"),
         TRY("try");
         String opt;
         XlintOption(String opt) {
             this.opt = opt;
         }
         String getXlintOption() {
             return "-Xlint:" + opt;
         }
     }
     enum SuppressLevel {
         NONE,
         SUPPRESS;
         String getSuppressAnno() {
             return this == SUPPRESS ?
                 "@SuppressWarnings(\"try\")" :
                 "";
         }
     }
     enum ClassKind {
         ABSTRACT_CLASS("abstract class", "implements", false),
         CLASS("class", "implements", true),
         INTERFACE("interface", "extends", false);
         String kindName;
         String extendsClause;
         boolean hasBody;
         private ClassKind(String kindName, String extendsClause, boolean hasBody) {
             this.kindName = kindName;
             this.extendsClause = extendsClause;
             this.hasBody = hasBody;
         }
         String getBody() {
             return hasBody ? "{}" : ";";
         }
     }
     enum ExceptionKind {
         NONE("", false),
         EXCEPTION("Exception", true),
         INTERRUPTED_EXCEPTION("InterruptedException", true),
         ILLEGAL_ARGUMENT_EXCEPTION("IllegalArgumentException", false),
         X("X", false);
         String exName;
         boolean shouldWarn;
         private ExceptionKind(String exName, boolean shouldWarn) {
             this.exName = exName;
             this.shouldWarn = shouldWarn;
         }
         String getThrowsClause() {
             return this == NONE ? "" : "throws " + exName;
         }
         String getTypeArguments(ExceptionKind decl) {
             return (decl != X || this == NONE) ? "" : "<" + exName + ">";
         }
         String getTypeParameter() {
             return this == X ? "<X extends Exception>" : "";
         }
     }
     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 (XlintOption xlint : XlintOption.values()) {
             for (SuppressLevel suppress_decl : SuppressLevel.values()) {
                 for (SuppressLevel suppress_use : SuppressLevel.values()) {
                     for (ClassKind ck : ClassKind.values()) {
                         for (ExceptionKind ek_decl : ExceptionKind.values()) {
                             for (ExceptionKind ek_use : ExceptionKind.values()) {
                                 new InterruptedExceptionTest(xlint, suppress_decl,
                                         suppress_use, ck, ek_decl, ek_use).run(comp, fm);
                             }
                         }
                     }
                 }
             }
         }
     }
     XlintOption xlint;
     SuppressLevel suppress_decl;
     SuppressLevel suppress_use;
     ClassKind ck;
     ExceptionKind ek_decl;
     ExceptionKind ek_use;
     JavaSource source;
     DiagnosticChecker diagChecker;
     InterruptedExceptionTest(XlintOption xlint, SuppressLevel suppress_decl, SuppressLevel suppress_use,
             ClassKind ck, ExceptionKind ek_decl, ExceptionKind ek_use) {
         this.xlint = xlint;
         this.suppress_decl = suppress_decl;
         this.suppress_use = suppress_use;
         this.ck = ck;
         this.ek_decl = ek_decl;
         this.ek_use = ek_use;
         this.source = new JavaSource();
         this.diagChecker = new DiagnosticChecker();
     }
     class JavaSource extends SimpleJavaFileObject {
         String template = "#S1 #CK Resource#G #EC AutoCloseable {\n" +
                               "public void close() #TK #BK\n" +
                           "}\n" +
                           "class Test {\n" +
                               "#S2 <X> void test() {\n" +
                                  "try (Resource#PK r = null) { }\n" +
                               "}\n" +
                           "}\n";
         String source;
         public JavaSource() {
             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
             source = template.replace("#S1", suppress_decl.getSuppressAnno())
                     .replace("#S2", suppress_use.getSuppressAnno())
                     .replace("#CK", ck.kindName)
                     .replace("#EC", ck.extendsClause)
                     .replace("#G", ek_decl.getTypeParameter())
                     .replace("#TK", ek_decl.getThrowsClause())
                     .replace("#BK", ck.getBody())
                     .replace("#PK", ek_use.getTypeArguments(ek_decl));
         }
         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return source;
         }
     }
     void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
         JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker,
                 Arrays.asList(xlint.getXlintOption()), null, Arrays.asList(source));
         ct.analyze();
         check();
     }
     void check() {
         boolean shouldWarnDecl = ek_decl.shouldWarn &&
                 xlint == XlintOption.TRY &&
                 suppress_decl != SuppressLevel.SUPPRESS;
         boolean shouldWarnUse = (ek_decl.shouldWarn ||
                 ((ek_use.shouldWarn || ek_use == ExceptionKind.NONE) && ek_decl == ExceptionKind.X)) &&
                 xlint == XlintOption.TRY &&
                 suppress_use != SuppressLevel.SUPPRESS;
         int foundWarnings = 0;
         if (shouldWarnDecl) foundWarnings++;
         if (shouldWarnUse) foundWarnings++;
         if (foundWarnings != diagChecker.tryWarnFound) {
             throw new Error("invalid diagnostics for source:\n" +
                 source.getCharContent(true) +
                 "\nOptions: " + xlint.getXlintOption() +
                 "\nFound warnings: " + diagChecker.tryWarnFound +
                 "\nExpected decl warning: " + shouldWarnDecl +
                 "\nExpected use warning: " + shouldWarnUse);
         }
     }
     static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
         int tryWarnFound;
         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
             if (diagnostic.getKind() == Diagnostic.Kind.WARNING &&
                     diagnostic.getCode().contains("try.resource.throws.interrupted.exc")) {
                 tryWarnFound++;
             }
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/TryWithResources/InterruptedExceptionTest.java@de1c65ecfec2 (annotated)

test/tools/javac/TryWithResources/InterruptedExceptionTest.java