jdk8-mips64-public/langtools: test/tools/javac/processing/errors/TestSuppression.java@6211df69f7e0 (annotated)

test/tools/javac/processing/errors/TestSuppression.java@6211df69f7e0 (annotated)

test/tools/javac/processing/errors/TestSuppression.java

Fri, 27 May 2011 15:02:39 -0700

author: jeff
date: Fri, 27 May 2011 15:02:39 -0700
changeset 1016: 6211df69f7e0
parent 664: 4124840b35fe
child 1073: f85d980faaf8
permissions: -rw-r--r--

7045697: JDK7 THIRD PARTY README update
Reviewed-by: lana

 /*
  * Copyright (c) 2010, 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 6403465
  * @summary javac should defer diagnostics until it can be determined they are persistent
  */
 import java.io.*;
 import java.util.*;
 import javax.annotation.processing.*;
 import javax.lang.model.*;
 import javax.lang.model.element.TypeElement;
 import javax.tools.*;
 import com.sun.source.util.JavacTask;
 import com.sun.tools.javac.api.JavacTool;
 import com.sun.tools.javac.util.JCDiagnostic;
 import static com.sun.tools.javac.util.JCDiagnostic.DiagnosticFlag.*;
 public class TestSuppression {
     public static void main(String... args) throws Exception {
         new TestSuppression().run(args);
     }
     enum WarningKind { NO, YES };
     String[] cases = {
         // missing class C
         "class X { C c; }",
         "class X { C foo() { return null; } }",
         "class X { void foo(C c) { } }",
         "class X extends C { }",
         "class X<T extends C> { }",
         // missing interface I
         "class X implements I { }",
         "interface X extends I { }",
         // missing exception E
         "class X { void m() throws E { } }",
         // missing method m
         "class X extends C { int i = m(); }",
         // missing field f
         "class X extends C { int i = f; }"
     };
     void run(String... args) throws Exception {
         for (String c: cases) {
             for (WarningKind wk: WarningKind.values()) {
                 for (int g = 1; g <= 3; g++) {
                     try {
                         test(c, wk, g);
                     } catch (Throwable t) {
                         error("caught: " + t);
                     }
                     if (errors > 0) throw new AssertionError();
                 }
             }
         }
         System.err.println(count + " test cases");
         if (errors > 0)
             throw new Exception(errors + " errors occurred");
     }
     void test(String src, WarningKind wk, int gen) throws Exception {
         count++;
         System.err.println("Test " + count + ": wk:" + wk + " gen:" + gen + " src:" +src);
         File testDir = new File("test" + count);
         File srcDir = createDir(testDir, "src");
         File gensrcDir = createDir(testDir, "gensrc");
         File classesDir = createDir(testDir, "classes");
         File x = writeFile(new File(srcDir, "X.java"), src);
         DiagListener dl = new DiagListener();
         JavacTool tool = JavacTool.create();
         StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, null);
         fm.setLocation(StandardLocation.CLASS_PATH,
                 Arrays.asList(classesDir, new File(System.getProperty("test.classes"))));
         fm.setLocation(StandardLocation.CLASS_OUTPUT, Collections.singleton(classesDir));
         fm.setLocation(StandardLocation.SOURCE_OUTPUT, Collections.singleton(gensrcDir));
         List<String> args = new ArrayList<String>();
 //        args.add("-XprintProcessorInfo");
         args.add("-XprintRounds");
         args.add("-Agen=" + gen);
         if (wk == WarningKind.YES)
             args.add("-Xlint:serial");
         Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(x);
         StringWriter sw = new StringWriter();
         PrintWriter pw = new PrintWriter(sw);
         JavacTask task = tool.getTask(pw, fm, dl, args, null, files);
         task.setProcessors(Arrays.asList(new AnnoProc()));
         boolean ok = task.call();
         pw.close();
         System.err.println("ok:" + ok + " diags:" + dl.counts);
         if (sw.toString().length() > 0) {
             System.err.println("output:\n" + sw.toString());
         }
         for (Diagnostic.Kind dk: Diagnostic.Kind.values()) {
             Integer v = dl.counts.get(dk);
             int found = (v == null) ? 0 : v;
             int expect = (dk == Diagnostic.Kind.WARNING && wk == WarningKind.YES) ? gen : 0;
             if (found != expect) {
                 error("Unexpected value for " + dk + ": expected: " + expect + " found: " + found);
             }
         }
         System.err.println();
     }
     File createDir(File parent, String name) {
         File dir = new File(parent, name);
         dir.mkdirs();
         return dir;
     }
     File writeFile(File f, String content) throws IOException {
         FileWriter out = new FileWriter(f);
         try {
             out.write(content);
         } finally {
             out.close();
         }
         return f;
     }
     <T> void add(List<T> list, T... values) {
         for (T v: values)
             list.add(v);
     }
     void error(String msg) {
         System.err.println("Error: " + msg);
         errors++;
     }
     int count;
     int errors;
     static class DiagListener implements DiagnosticListener<JavaFileObject> {
         int total;
         Map<Diagnostic.Kind,Integer> counts = new TreeMap<Diagnostic.Kind,Integer>();
         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
             System.err.println((++total) + ": "
                     + "resolveError:" + isResolveError((JCDiagnostic) diagnostic) + "\n"
                     + diagnostic);
             Diagnostic.Kind dk = diagnostic.getKind();
             Integer c = counts.get(dk);
             counts.put(dk, (c == null ? 1 : c + 1));
         }
         private static boolean isResolveError(JCDiagnostic d) {
             return d.isFlagSet(RESOLVE_ERROR);
         }
     }
     @SupportedAnnotationTypes("*")
     @SupportedOptions("gen")
     public static class AnnoProc extends AbstractProcessor {
         Filer f;
         Messager m;
         int gen;
         @Override
         public void init(ProcessingEnvironment processingEnv) {
             f = processingEnv.getFiler();
             m = processingEnv.getMessager();
             Map<String,String> options = processingEnv.getOptions();
             gen = Integer.parseInt(options.get("gen"));
         }
         @Override
         public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
             round++;
             if (round < gen)
                 writeSource("Dummy" + round, "class Dummy" + round + " extends java.util.ArrayList{ }");
             else if (round == gen) {
                 writeSource("C", "class C { int f; int m() { return 0; } }");
                 writeSource("I", "interface I { }");
                 writeSource("E", "class E extends Exception { }");
             }
             return true;
         }
         @Override
         public SourceVersion getSupportedSourceVersion() {
             return SourceVersion.latest();
         }
         private void writeSource(String name, String text) {
             try {
                 JavaFileObject fo = f.createSourceFile(name);
                 Writer out = fo.openWriter();
                 out.write(text);
                 out.close();
             } catch (IOException e) {
                 m.printMessage(Diagnostic.Kind.ERROR, e.toString());
             }
         }
         int round = 0;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/processing/errors/TestSuppression.java@6211df69f7e0 (annotated)

test/tools/javac/processing/errors/TestSuppression.java