Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javap/OptionTest.java
test/tools/javap/OptionTest.java
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- child 54
- eaf608c64fec
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| 1 /* | |
| 2 * Copyright 2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 */ | |
| 23 | |
| 24 import java.io.*; | |
| 25 import java.util.*; | |
| 26 | |
| 27 /* | |
| 28 * @test | |
| 29 * @bug 6439940 | |
| 30 * @summary Cleanup javap implementation | |
| 31 * @run main/othervm OptionTest | |
| 32 */ | |
| 33 public class OptionTest { | |
| 34 public static void main(String[] args) throws Exception { | |
| 35 new OptionTest().run(); | |
| 36 } | |
| 37 | |
| 38 OptionTest() { | |
| 39 String v = System.getProperty("view.cmd"); | |
| 40 if (v != null) { | |
| 41 viewResults = true; | |
| 42 viewCmd = Arrays.asList(v.split(" +")); | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 | |
| 47 void run() throws Exception { | |
| 48 int count = 0; | |
| 49 int pass = 0; | |
| 50 // try combinations of options and compare old javap against new javap | |
| 51 for (int i = 0; i < (1<<8); i++) { | |
| 52 List<String> options = new ArrayList<String>(); | |
| 53 if ((i & 0x01) != 0) | |
| 54 options.add("-c"); | |
| 55 if ((i & 0x02) != 0) | |
| 56 options.add("-l"); | |
| 57 if ((i & 0x04) != 0) | |
| 58 options.add("-public"); | |
| 59 if ((i & 0x08) != 0) | |
| 60 options.add("-protected"); | |
| 61 if ((i & 0x10) != 0) | |
| 62 options.add("-package"); | |
| 63 if ((i & 0x20) != 0) | |
| 64 options.add("-private"); | |
| 65 if ((i & 0x40) != 0) | |
| 66 options.add("-s"); | |
| 67 if ((i & 0x80) != 0) | |
| 68 options.add("-verbose"); | |
| 69 count++; | |
| 70 if (test(options)) | |
| 71 pass++; | |
| 72 } | |
| 73 | |
| 74 if (pass < count) | |
| 75 throw new Error(pass + "/" + count + " test cases passed"); | |
| 76 } | |
| 77 | |
| 78 boolean test(List<String> options) throws Exception { | |
| 79 String[] args = new String[options.size() + 1]; | |
| 80 options.toArray(args); | |
| 81 args[args.length - 1] = testClassName; | |
| 82 String oldOut = runOldJavap(args); | |
| 83 String newOut = runNewJavap(args); | |
| 84 boolean ok = oldOut.equals(newOut); | |
| 85 System.err.println((ok ? "pass" : "FAIL") + ": " + options); | |
| 86 if (!ok && viewResults) | |
| 87 view(oldOut, newOut); | |
| 88 return ok; | |
| 89 } | |
| 90 | |
| 91 String runOldJavap(String[] args) { | |
| 92 //System.err.println("OLD: " + Arrays.asList(args)); | |
| 93 PrintStream oldOut = System.out; | |
| 94 ByteArrayOutputStream out = new ByteArrayOutputStream(); | |
| 95 System.setOut(new PrintStream(out)); | |
| 96 try { | |
| 97 sun.tools.javap.Main.entry(args); | |
| 98 } finally { | |
| 99 System.setOut(oldOut); | |
| 100 } | |
| 101 return out.toString(); | |
| 102 } | |
| 103 | |
| 104 String runNewJavap(String[] args) { | |
| 105 String[] nArgs = new String[args.length + 2]; | |
| 106 nArgs[0] = "-XDcompat"; | |
| 107 nArgs[1] = "-XDignore.symbol.file"; | |
| 108 System.arraycopy(args, 0, nArgs, 2, args.length); | |
| 109 //System.err.println("NEW: " + Arrays.asList(nArgs)); | |
| 110 StringWriter out = new StringWriter(); | |
| 111 com.sun.tools.javap.Main.run(nArgs, new PrintWriter(out, true)); | |
| 112 return out.toString(); | |
| 113 } | |
| 114 | |
| 115 File write(String text, String suffix) throws IOException { | |
| 116 File f = File.createTempFile("OptionTest", suffix); | |
| 117 FileWriter out = new FileWriter(f); | |
| 118 out.write(text); | |
| 119 out.close(); | |
| 120 return f; | |
| 121 } | |
| 122 | |
| 123 void view(String oldOut, String newOut) throws Exception { | |
| 124 File oldFile = write(oldOut, "old"); | |
| 125 File newFile = write(newOut, "new"); | |
| 126 List<String> cmd = new ArrayList<String>(); | |
| 127 cmd.addAll(viewCmd); | |
| 128 cmd.add(oldFile.getPath()); | |
| 129 cmd.add(newFile.getPath()); | |
| 130 Process p = new ProcessBuilder(cmd).redirectErrorStream(true).start(); | |
| 131 p.getOutputStream().close(); | |
| 132 String line; | |
| 133 BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream())); | |
| 134 while ((line = in.readLine()) != null) | |
| 135 System.err.println(line); | |
| 136 in.close(); | |
| 137 p.waitFor(); | |
| 138 } | |
| 139 | |
| 140 String testClassName = "java.lang.SecurityManager"; | |
| 141 boolean viewResults; | |
| 142 List<String> viewCmd; | |
| 143 } |
