Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javac/classfiles/ClassVersionChecker.java@959103a6100f (annotated)
test/tools/javac/classfiles/ClassVersionChecker.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
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | |
| aoqi@0 | 24 | /* |
| aoqi@0 | 25 | * @test |
| aoqi@0 | 26 | * @bug 7157626 8001112 |
| aoqi@0 | 27 | * @summary Test major version for all legal combinations for -source and -target |
| aoqi@0 | 28 | * @author sgoel |
| aoqi@0 | 29 | * |
| aoqi@0 | 30 | */ |
| aoqi@0 | 31 | |
| aoqi@0 | 32 | import java.io.*; |
| aoqi@0 | 33 | import java.nio.*; |
| aoqi@0 | 34 | import java.util.*; |
| aoqi@0 | 35 | import java.util.regex.*; |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | public class ClassVersionChecker { |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | int errors; |
| aoqi@0 | 40 | String[] jdk = {"","1.2","1.3","1.4","1.5","1.6","1.7","1.8"}; |
| aoqi@0 | 41 | File javaFile = null; |
| aoqi@0 | 42 | |
| aoqi@0 | 43 | public static void main(String[] args) throws Throwable { |
| aoqi@0 | 44 | new ClassVersionChecker().run(); |
| aoqi@0 | 45 | } |
| aoqi@0 | 46 | |
| aoqi@0 | 47 | void run() throws Exception { |
| aoqi@0 | 48 | writeTestFile(); |
| aoqi@0 | 49 | /* Rules applicable for -source and -target combinations |
| aoqi@0 | 50 | * 1. If both empty, version num is for 1.7 |
| aoqi@0 | 51 | * 2. If source is not empty and target is empty, version is based on source |
| aoqi@0 | 52 | * 3. If both non-empty, version is based on target |
| aoqi@0 | 53 | */ |
| aoqi@0 | 54 | |
| aoqi@0 | 55 | /* -source (0=>empty,1=>1.2,...) X -target (0=>empty,1=>1.2,...) |
| aoqi@0 | 56 | * ver[0][0] => no -source or -target was given |
| aoqi@0 | 57 | * -1 => invalid combinations |
| aoqi@0 | 58 | */ |
| aoqi@0 | 59 | int[][] ver = |
| aoqi@0 | 60 | {{52, -1, -1, -1, -1, -1, -1, -1}, |
| aoqi@0 | 61 | {48, 46, 47, 48, 49, 50, 51, 52}, |
| aoqi@0 | 62 | {48, 46, 47, 48, 49, 50, 51, 52}, |
| aoqi@0 | 63 | {48, -1, -1, 48, 49, 50, 51, 52}, |
| aoqi@0 | 64 | {52, -1, -1, -1, 49, 50, 51, 52}, |
| aoqi@0 | 65 | {52, -1, -1, -1, -1, 50, 51, 52}, |
| aoqi@0 | 66 | {52, -1, -1, -1, -1, -1, 51, 52}, |
| aoqi@0 | 67 | {52, -1, -1, -1, -1, -1, -1, 52}}; |
| aoqi@0 | 68 | |
| aoqi@0 | 69 | // Loop to run all possible combinations of source/target values |
| aoqi@0 | 70 | for (int i = 0; i< ver.length; i++) { |
| aoqi@0 | 71 | for (int j = 0 ; j< ver[i].length; j++) { |
| aoqi@0 | 72 | if(ver[i][j] != -1) { |
| aoqi@0 | 73 | logMsg("Index values for i = " + i + " j = " + j); |
| aoqi@0 | 74 | logMsg("Running for src = " + jdk[i] + " target = "+jdk[j] +" expected = " + ver[i][j]); |
| aoqi@0 | 75 | test(i,j, ver[i][j]); |
| aoqi@0 | 76 | } |
| aoqi@0 | 77 | } |
| aoqi@0 | 78 | } |
| aoqi@0 | 79 | |
| aoqi@0 | 80 | if (errors > 0) |
| aoqi@0 | 81 | throw new Exception(errors + " errors found"); |
| aoqi@0 | 82 | } |
| aoqi@0 | 83 | |
| aoqi@0 | 84 | void test (int i, int j, int expected) { |
| aoqi@0 | 85 | File classFile = compileTestFile(i, j, javaFile); |
| aoqi@0 | 86 | short majorVer = getMajorVersion(classFile); |
| aoqi@0 | 87 | checkVersion(majorVer, expected); |
| aoqi@0 | 88 | } |
| aoqi@0 | 89 | |
| aoqi@0 | 90 | void writeTestFile() throws IOException { |
| aoqi@0 | 91 | javaFile = new File("Test.java"); |
| aoqi@0 | 92 | try(PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(javaFile)));) { |
| aoqi@0 | 93 | out.println("class Test { "); |
| aoqi@0 | 94 | out.println(" public void foo() { }"); |
| aoqi@0 | 95 | out.println("}"); |
| aoqi@0 | 96 | } catch (IOException ioe) { |
| aoqi@0 | 97 | error("IOException while creating Test.java" + ioe); |
| aoqi@0 | 98 | } |
| aoqi@0 | 99 | } |
| aoqi@0 | 100 | |
| aoqi@0 | 101 | File compileTestFile(int i , int j, File f) { |
| aoqi@0 | 102 | int rc = -1; |
| aoqi@0 | 103 | // Src and target are empty |
| aoqi@0 | 104 | if (i == 0 && j == 0 ) { |
| aoqi@0 | 105 | rc = compile("-g", f.getPath()); |
| aoqi@0 | 106 | } else if( j == 0 ) { // target is empty |
| aoqi@0 | 107 | rc = compile("-source", jdk[i], "-g", f.getPath()); |
| aoqi@0 | 108 | } else { |
| aoqi@0 | 109 | rc = compile("-source", jdk[i], "-target", jdk[j], "-g", f.getPath()); |
| aoqi@0 | 110 | } |
| aoqi@0 | 111 | if (rc != 0) |
| aoqi@0 | 112 | throw new Error("compilation failed. rc=" + rc); |
| aoqi@0 | 113 | String path = f.getPath(); |
| aoqi@0 | 114 | return new File(path.substring(0, path.length() - 5) + ".class"); |
| aoqi@0 | 115 | } |
| aoqi@0 | 116 | |
| aoqi@0 | 117 | int compile(String... args) { |
| aoqi@0 | 118 | return com.sun.tools.javac.Main.compile(args); |
| aoqi@0 | 119 | } |
| aoqi@0 | 120 | |
| aoqi@0 | 121 | void logMsg (String str) { |
| aoqi@0 | 122 | System.out.println(str); |
| aoqi@0 | 123 | } |
| aoqi@0 | 124 | |
| aoqi@0 | 125 | short getMajorVersion(File f) { |
| aoqi@0 | 126 | List<String> args = new ArrayList<String>(); |
| aoqi@0 | 127 | short majorVer = 0; |
| aoqi@0 | 128 | try(DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(f)));) { |
| aoqi@0 | 129 | in.readInt(); |
| aoqi@0 | 130 | in.readShort(); |
| aoqi@0 | 131 | majorVer = in.readShort(); |
| aoqi@0 | 132 | System.out.println("major version:" + majorVer); |
| aoqi@0 | 133 | } catch (IOException e) { |
| aoqi@0 | 134 | error("IOException while reading Test.class" + e); |
| aoqi@0 | 135 | } |
| aoqi@0 | 136 | return majorVer; |
| aoqi@0 | 137 | } |
| aoqi@0 | 138 | |
| aoqi@0 | 139 | void checkVersion(short majorVer, int expected) { |
| aoqi@0 | 140 | if (majorVer != expected ) { |
| aoqi@0 | 141 | error("versions did not match, Expected: " + expected + "Got: " + majorVer); |
| aoqi@0 | 142 | } |
| aoqi@0 | 143 | } |
| aoqi@0 | 144 | |
| aoqi@0 | 145 | void error(String msg) { |
| aoqi@0 | 146 | System.out.println("error: " + msg); |
| aoqi@0 | 147 | errors++; |
| aoqi@0 | 148 | } |
| aoqi@0 | 149 | } |
