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

 /*

  * Copyright (c) 2005, 2008, 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 6728697

  * @summary tools/javac/versionOpt.sh fails on OpenJDK builds

  * Test checks the version strings displayed by javac, using

  * strings that come out of the Java runtime.

  */

 import java.io.File;

 import java.io.PrintWriter;

 import java.io.StringWriter;

 import java.net.URL;

 public class VersionOpt {

     public static void main(String... args) throws Exception {

         new VersionOpt().run();

     }

     void run() throws Exception {

         // Test functions by comparing the version string from javac against

         // a "golden" version generated automatically from the underlying JVM.

         // As such, it is only effective in testing the "standard" compiler,

         // and not any development version being tested via -Xbootclasspath.

         // Check the version of the compiler being used, and let the test pass

         // automatically if is is a development version.

         Class<?> javacClass = com.sun.tools.javac.Main.class;

         URL javacURL = getClass().getClassLoader().getResource(javacClass.getName().replace(".", "/") + ".class");

         if (!javacURL.getProtocol().equals("jar") || !javacURL.getFile().contains("!")) {

             System.err.println("javac not found in tools.jar: " + javacURL);

             System.err.println("rest of test skipped");

             return;

         }

         String javacHome = javacURL.getFile().substring(0, javacURL.getFile().indexOf("!"));

         File javaHome = new File(System.getProperty("java.home"));

         if (javaHome.getName().equals("jre"))

             javaHome = javaHome.getParentFile();

         File toolsJar = new File(new File(javaHome, "lib"), "tools.jar");

         if (!javacHome.equals(toolsJar.toURI().toString())){

             System.err.println("javac not found in tools.jar: " + javacHome);

             System.err.println("rest of test skipped");

             return;

         }

         System.out.println("javac found in " + toolsJar);

         String javaVersion = System.getProperty("java.version");

         String javaRuntimeVersion = System.getProperty("java.runtime.version");

         System.out.println("java.version: " + javaVersion);

         System.out.println("java.runtime.version: " + javaRuntimeVersion);

         StringWriter sw = new StringWriter();

         com.sun.tools.javac.Main.compile(new String[] { "-version" }, new PrintWriter(sw));

         String javacVersion = sw.toString().trim();

         sw = new StringWriter();

         com.sun.tools.javac.Main.compile(new String[] { "-fullversion" }, new PrintWriter(sw));

         String javacFullVersion = sw.toString().trim();

         System.out.println("javac -version: " + javacVersion);

         System.out.println("javac -fullversion: " + javacFullVersion);

         checkEqual("javac -version", javacVersion, "javac " + javaVersion);

         checkEqual("javac -fullversion", javacFullVersion, "javac full version \"" + javaRuntimeVersion + "\"");

         if (errors > 0)

             throw new Exception(errors + " errors found");

     }

     void checkEqual(String kind, String found, String expect) {

         if (!found.equals(expect)) {

             System.err.println("error: unexpected value for " + kind);

             System.err.println("expect: >>" + expect + "<<");

             System.err.println(" found: >>" + found + "<<");

             errors++;

         }

     }

     int errors;

 }