1 /* 2 * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6728697 27 * @summary tools/javac/versionOpt.sh fails on OpenJDK builds 28 * Test checks the version strings displayed by javac, using 29 * strings that come out of the Java runtime. 30 * @modules jdk.compiler 31 */ 32 33 import java.io.File; 34 import java.io.PrintWriter; 35 import java.io.StringWriter; 36 import java.net.URL; 37 38 public class VersionOpt { main(String... args)39 public static void main(String... args) throws Exception { 40 new VersionOpt().run(); 41 } 42 run()43 void run() throws Exception { 44 // Test functions by comparing the version string from javac against 45 // a "golden" version generated automatically from the underlying JVM. 46 // As such, it is only effective in testing the "standard" compiler, 47 // and not any development version being tested via --patch-modules. 48 // Check the version of the compiler being used, and let the test pass 49 // automatically if is is a development version. 50 Class<?> javacClass = com.sun.tools.javac.Main.class; 51 URL location = javacClass.getProtectionDomain().getCodeSource().getLocation(); 52 if (!location.toString().equals("jrt:/jdk.compiler")) { 53 System.err.println("javac not found in system image: " + location); 54 System.err.println("rest of test skipped"); 55 return; 56 } 57 58 System.out.println("javac found in " + location); 59 60 String javaVersion = System.getProperty("java.version"); 61 String javaRuntimeVersion = System.getProperty("java.runtime.version"); 62 System.out.println("java.version: " + javaVersion); 63 System.out.println("java.runtime.version: " + javaRuntimeVersion); 64 65 StringWriter sw = new StringWriter(); 66 com.sun.tools.javac.Main.compile(new String[] { "-version" }, new PrintWriter(sw)); 67 String javacVersion = sw.toString().trim(); 68 69 sw = new StringWriter(); 70 com.sun.tools.javac.Main.compile(new String[] { "-fullversion" }, new PrintWriter(sw)); 71 String javacFullVersion = sw.toString().trim(); 72 System.out.println("javac -version: " + javacVersion); 73 System.out.println("javac -fullversion: " + javacFullVersion); 74 75 checkEqual("javac -version", javacVersion, "javac " + javaVersion); 76 checkEqual("javac -fullversion", javacFullVersion, "javac full version \"" + javaRuntimeVersion + "\""); 77 78 if (errors > 0) 79 throw new Exception(errors + " errors found"); 80 } 81 checkEqual(String kind, String found, String expect)82 void checkEqual(String kind, String found, String expect) { 83 if (!found.equals(expect)) { 84 System.err.println("error: unexpected value for " + kind); 85 System.err.println("expect: >>" + expect + "<<"); 86 System.err.println(" found: >>" + found + "<<"); 87 errors++; 88 } 89 } 90 91 int errors; 92 } 93