jdk8-mips64-public/langtools: test/tools/javac/T8024039/NoDeadCodeGenerationOnTrySmtTest.java@7909abb85562 (annotated)

test/tools/javac/T8024039/NoDeadCodeGenerationOnTrySmtTest.java@7909abb85562 (annotated)

test/tools/javac/T8024039/NoDeadCodeGenerationOnTrySmtTest.java

Wed, 14 Nov 2018 10:18:25 -0800

author: diazhou
date: Wed, 14 Nov 2018 10:18:25 -0800
changeset 3762: 7909abb85562
parent 2034: ac6ec071c2b2
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Added tag jdk8u201-b04 for changeset a7f48b9dfb82

 /*
  * 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.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * 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 8024039
  * @summary javac, previous solution for JDK-8022186 was incorrect
  * @library /tools/javac/lib
  * @build ToolBox
  * @run main NoDeadCodeGenerationOnTrySmtTest
  */
 import java.io.File;
 import java.nio.file.Paths;
 import com.sun.tools.classfile.ClassFile;
 import com.sun.tools.classfile.Code_attribute;
 import com.sun.tools.classfile.Code_attribute.Exception_data;
 import com.sun.tools.classfile.Method;
 import com.sun.tools.javac.util.Assert;
 public class NoDeadCodeGenerationOnTrySmtTest {
     static final String testSource =
         "public class Test {\n" +
         "    void m1(int arg) {\n" +
         "        synchronized (new Integer(arg)) {\n" +
         "            {\n" +
         "                label0:\n" +
         "                do {\n" +
         "                    break label0;\n" +
         "                } while (arg != 0);\n" +
         "            }\n" +
         "        }\n" +
         "    }\n" +
         "    void m2(int arg) {\n" +
         "        synchronized (new Integer(arg)) {\n" +
         "            {\n" +
         "                label0:\n" +
         "                {\n" +
         "                    break label0;\n" +
         "                }\n" +
         "            }\n" +
         "        }\n" +
         "    }\n" +
         "}";
     static final int[][] expectedExceptionTable = {
     //  {from,         to,         target,      type},
         {11,           13,         16,          0},
         {16,           19,         16,          0}
     };
     static final String[] methodsToLookFor = {"m1", "m2"};
     public static void main(String[] args) throws Exception {
         new NoDeadCodeGenerationOnTrySmtTest().run();
     }
     void run() throws Exception {
         compileTestClass();
         checkClassFile(new File(Paths.get(System.getProperty("user.dir"),
                 "Test.class").toUri()), methodsToLookFor);
     }
     void compileTestClass() throws Exception {
         ToolBox.JavaToolArgs javacSuccessArgs =
                 new ToolBox.JavaToolArgs().setSources(testSource);
         ToolBox.javac(javacSuccessArgs);
     }
     void checkClassFile(final File cfile, String[] methodsToFind) throws Exception {
         ClassFile classFile = ClassFile.read(cfile);
         int numberOfmethodsFound = 0;
         for (String methodToFind : methodsToFind) {
             for (Method method : classFile.methods) {
                 if (method.getName(classFile.constant_pool).equals(methodToFind)) {
                     numberOfmethodsFound++;
                     Code_attribute code = (Code_attribute) method.attributes.get("Code");
                     Assert.check(code.exception_table_length == expectedExceptionTable.length,
                             "The ExceptionTable found has a length different to the expected one");
                     int i = 0;
                     for (Exception_data entry: code.exception_table) {
                         Assert.check(entry.start_pc == expectedExceptionTable[i][0] &&
                                 entry.end_pc == expectedExceptionTable[i][1] &&
                                 entry.handler_pc == expectedExceptionTable[i][2] &&
                                 entry.catch_type == expectedExceptionTable[i][3],
                                 "Exception table entry at pos " + i + " differ from expected.");
                         i++;
                     }
                 }
             }
         }
         Assert.check(numberOfmethodsFound == 2, "Some seek methods were not found");
     }
     void error(String msg) {
         throw new AssertionError(msg);
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/T8024039/NoDeadCodeGenerationOnTrySmtTest.java@7909abb85562 (annotated)

test/tools/javac/T8024039/NoDeadCodeGenerationOnTrySmtTest.java