jdk8-mips64-public/langtools: test/tools/javac/MethodParameters/Tester.java@959103a6100f (annotated)

test/tools/javac/MethodParameters/Tester.java@959103a6100f (annotated)

test/tools/javac/MethodParameters/Tester.java

Wed, 27 Apr 2016 01:34:52 +0800

author: aoqi
date: Wed, 27 Apr 2016 01:34:52 +0800
changeset 0: 959103a6100f
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

 /*
  * Copyright (c) 2013, 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.
  */
 import java.io.*;
 import java.lang.reflect.Constructor;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 /**
  * Test driver for MethodParameters testing.
  * <p>
  * The intended use of this driver is to run it, giving the name of
  * a single class compiled with -parameters as argument. The driver
  * will test the specified class, and any nested classes it finds.
  * <p>
  * Each class is tested in two way. By refelction, and by directly
  * checking MethodParameters attributes in the classfile. The checking
  * is done using two visitor classes {@link ClassFileVisitor} and
  * {@link ReflectionVisitor}.
  * <p>
  * The {@code ReflectionVisitor} test logically belongs with library tests.
  * we wish to reuse the same test-cases, so both test are committed together,
  * under langtools. The tests, may be duplicated in the jdk repository.
  */
 public class Tester {
     final static File classesdir = new File(System.getProperty("test.classes", "."));
     private String classname;
     private File[] files;
     private File refFile;
     private int errors;
     private int warnings;
     private int diffGolden;
     /**
      * The visitor classes that does the actual checking are referenced
      * statically, to force compilations, without having to reference
      * them in individual test cases.
      * <p>
      * This makes it easy to change the set of visitors, without
      * complicating the design with dynamic discovery and compilation
      * of visitor classes.
      */
     static final Class visitors[] = {
         ClassFileVisitor.class,
         ReflectionVisitor.class
     };
     /**
      * Test-driver expect a single classname as argument.
      */
     public static void main(String... args) throws Exception {
         if (args.length != 2) {
             throw new Error("A single class name and a golden file are expected as argument");
         }
         String testSrc = System.getProperty("test.src");
         String testName = args[0];
         String testGoldenFile = args[1];
         final String pattern = testName + ".*\\.class";
         File refFile = new File(testSrc, testGoldenFile);
         File[] files = classesdir.listFiles(new FileFilter() {
                 public boolean accept(File f) {
                     return f.getName().matches(pattern);
                 }
             });
         if (files.length == 0) {
             File file = new File(classesdir, testName + ".class");
             throw new Error(file.getPath() + " not found");
         }
         new Tester(testName, files, refFile).run();
     }
     public Tester(String name, File[] files, File refFile) {
         this.classname = name;
         this.files = files;
         this.refFile = refFile;
     }
     void run() throws Exception {
         // Test with each visitor
         for (Class<Visitor> vclass : visitors) {
             boolean compResult = false;
             try {
                 String vname = vclass.getName();
                 Constructor c = vclass.getConstructor(Tester.class);
                 info("\nRun " + vname + " for " + classname + "\n");
                 StringBuilder sb = new StringBuilder();
                 for (File f : files) {
                     String fname = f.getName();
                     fname = fname.substring(0, fname.length() - 6);
                     Visitor v = (Visitor) c.newInstance(this);
                     try {
                         v.visitClass(fname, f,  sb);
                     } catch(Exception e) {
                         error("Uncaught exception in visitClass()");
                         e.printStackTrace();
                     }
                 }
                 String output = sb.toString();
                 info(output);
                 compResult = compareOutput(refFile, output);
             } catch(ReflectiveOperationException e) {
                 warn("Class " + vclass.getName() + " ignored, not a Visitor");
                 continue;
             }
             if (!compResult) {
                 diffGolden++;
                 error("The output from " + vclass.getName() + " did not match golden file.");
         }
         }
         if (0 != diffGolden)
             throw new Exception("Test output is not equal with golden file.");
         if(0 != warnings)
                 System.err.println("Test generated " + warnings + " warnings");
         if(0 != errors)
             throw new Exception("Tester test failed with " +
                                 errors + " errors");
     }
     // Check if test output matches the golden file.
     boolean compareOutput(File refFile, String sb)
             throws FileNotFoundException, IOException {
         List<String> refFileList = Files.readAllLines(refFile.toPath(), StandardCharsets.UTF_8);
         List<String> sbList = Arrays.asList(sb.split("[\r\n]+"));
         // Check if test output contains unexpected lines or is missing expected lines.
         List<String> sbOnly = new ArrayList<>(sbList);
         sbOnly.removeAll(refFileList);
         for (String line: sbOnly)
             error("unexpected line found: " + line);
         List<String> refOnly = new ArrayList<>(refFileList);
         refOnly.removeAll(sbList);
         for (String line: refOnly)
             error("expected line not found: " + line);
         return sbOnly.isEmpty() && refOnly.isEmpty();
     }
     abstract static  class Visitor {
         Tester tester;
         File classesdir;
         public Visitor(Tester tester) {
             this.tester = tester;
         }
         abstract void visitClass(final String classname, final File  cfile,
                 final StringBuilder sb) throws Exception;
         public void error(String msg) {
             tester.error(msg);
         }
         public void warn(String msg) {
             tester.warn(msg);
         }
     }
     void error(String msg) {
         System.err.println("Error: " + msg);
         errors++;
     }
     void warn(String msg) {
         System.err.println("Warning: " + msg);
         warnings++;
     }
     void info(String msg) {
         System.out.println(msg);
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/MethodParameters/Tester.java@959103a6100f (annotated)

test/tools/javac/MethodParameters/Tester.java