test/tools/javap/T6622232.java

Tue, 03 Jun 2008 13:26:47 -0700

author
jjg
date
Tue, 03 Jun 2008 13:26:47 -0700
changeset 46
7708bd6d800d
child 554
9d9f26857129
permissions
-rw-r--r--

4075303: Use javap to enquire aboput a specific inner class
4348375: Javap is not internationalized
4459541: "javap -l" shows line numbers as signed short; they should be unsigned
4501660: change diagnostic of -help as 'print this help message and exit'
4776241: unused source file in javap...
4870651: javap should recognize generics, varargs, enum
4876942: javap invoked without args does not print help screen
4880663: javap could output whitespace between class name and opening brace
4975569: javap doesn't print new flag bits
6271787: javap dumps LocalVariableTypeTable attribute in hex, needs to print a table
6305779: javap: support annotations
6439940: Clean up javap implementation
6469569: wrong check of searchpath in JavapEnvironment
6474890: javap does not open .zip files in -classpath
6587786: Javap throws error : "ERROR:Could not find <classname>" for JRE classes
6622215: javap ignores certain relevant access flags
6622216: javap names some attributes incorrectly
6622232: javap gets whitespace confused
6622260: javap prints negative bytes incorrectly in hex
Reviewed-by: ksrini

jjg@46 1 /*
jjg@46 2 * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
jjg@46 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@46 4 *
jjg@46 5 * This code is free software; you can redistribute it and/or modify it
jjg@46 6 * under the terms of the GNU General Public License version 2 only, as
jjg@46 7 * published by the Free Software Foundation.
jjg@46 8 *
jjg@46 9 * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@46 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@46 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@46 12 * version 2 for more details (a copy is included in the LICENSE file that
jjg@46 13 * accompanied this code).
jjg@46 14 *
jjg@46 15 * You should have received a copy of the GNU General Public License version
jjg@46 16 * 2 along with this work; if not, write to the Free Software Foundation,
jjg@46 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@46 18 *
jjg@46 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
jjg@46 20 * CA 95054 USA or visit www.sun.com if you need additional information or
jjg@46 21 * have any questions.
jjg@46 22 */
jjg@46 23
jjg@46 24 /*
jjg@46 25 * @test
jjg@46 26 * @bug 6622232
jjg@46 27 * @summary javap gets whitespace confused
jjg@46 28 */
jjg@46 29
jjg@46 30 import java.io.*;
jjg@46 31
jjg@46 32 public class T6622232 {
jjg@46 33 public static void main(String[] args) throws Exception {
jjg@46 34 new T6622232().run();
jjg@46 35 }
jjg@46 36
jjg@46 37 public void run() throws IOException {
jjg@46 38 File javaFile = writeTestFile();
jjg@46 39 File classFile = compileTestFile(javaFile);
jjg@46 40 String output = javap(classFile);
jjg@46 41
jjg@46 42 // these are all examples of bad whitespace from old javap
jjg@46 43 verifyNot(output,
jjg@46 44 "\\Q Constant value: int 3Deprecated: true\\E",
jjg@46 45 "^Deprecated: true",
jjg@46 46 "\\Q throws java.lang.Exception, java.lang.Error Deprecated: true\\E"
jjg@46 47 );
jjg@46 48
jjg@46 49 if (errors > 0)
jjg@46 50 throw new Error(errors + " found.");
jjg@46 51 }
jjg@46 52
jjg@46 53 File writeTestFile() throws IOException {
jjg@46 54 File f = new File("Test.java");
jjg@46 55 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
jjg@46 56 out.println("class Test { ");
jjg@46 57 out.println(" @Deprecated static final int f1 = 3;");
jjg@46 58 out.println(" @Deprecated int f2;");
jjg@46 59 out.println(" @Deprecated void m() throws Exception, Error { }");
jjg@46 60 out.println("}");
jjg@46 61 out.close();
jjg@46 62 return f;
jjg@46 63 }
jjg@46 64
jjg@46 65 File compileTestFile(File f) {
jjg@46 66 int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });
jjg@46 67 if (rc != 0)
jjg@46 68 throw new Error("compilation failed. rc=" + rc);
jjg@46 69 String path = f.getPath();
jjg@46 70 return new File(path.substring(0, path.length() - 5) + ".class");
jjg@46 71 }
jjg@46 72
jjg@46 73 String javap(File f) {
jjg@46 74 StringWriter sw = new StringWriter();
jjg@46 75 PrintWriter out = new PrintWriter(sw);
jjg@46 76 int rc = com.sun.tools.javap.Main.run(new String[] { "-v", f.getPath() }, out);
jjg@46 77 if (rc != 0)
jjg@46 78 throw new Error("javap failed. rc=" + rc);
jjg@46 79 out.close();
jjg@46 80 System.out.println(sw.toString());
jjg@46 81 return sw.toString();
jjg@46 82 }
jjg@46 83
jjg@46 84 void verifyNot(String output, String... unexpects) {
jjg@46 85 for (String unexpect: unexpects) {
jjg@46 86 if (output.matches(unexpect))
jjg@46 87 error(unexpect + " unexpectedly found");
jjg@46 88 }
jjg@46 89 }
jjg@46 90
jjg@46 91 void error(String msg) {
jjg@46 92 System.err.println(msg);
jjg@46 93 errors++;
jjg@46 94 }
jjg@46 95
jjg@46 96 int errors;
jjg@46 97 }

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