1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javap/T4459541.java Tue Jun 03 13:26:47 2008 -0700
1.3 @@ -0,0 +1,112 @@
1.4 +/*
1.5 + * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 4459541
1.30 + * @summary "javap -l" shows line numbers as signed short; they should be unsigned.
1.31 + */
1.32 +
1.33 +import java.io.*;
1.34 +
1.35 +public class T4459541 {
1.36 + public static void main(String[] args) throws Exception {
1.37 + new T4459541().run();
1.38 + }
1.39 +
1.40 + public void run() throws IOException {
1.41 + File javaFile = writeTestFile();
1.42 + File classFile = compileTestFile(javaFile);
1.43 + String output = javap(classFile);
1.44 + verify(output);
1.45 + }
1.46 +
1.47 + File writeTestFile() throws IOException {
1.48 + File f = new File("Test.java");
1.49 + out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
1.50 + println("class Test {");
1.51 + println("void begin(int i) {");
1.52 + println("i++;");
1.53 + println("i++;");
1.54 + println("}");
1.55 + while (line < 32750)
1.56 + println("// " + line);
1.57 + println("void before_32767(int i) {");
1.58 + println("i++;");
1.59 + println("i++;");
1.60 + println("}");
1.61 + while (line < 32768-4)
1.62 + println("// " + line);
1.63 + println("void straddle_32768(int i) {");
1.64 + while (line < 32768+4)
1.65 + println("i++;");
1.66 + println("}");
1.67 + while (line < 65520)
1.68 + println("// " + line);
1.69 + println("void between_32768_and_65536(int i) {");
1.70 + println("i++;");
1.71 + println("i++;");
1.72 + println("}");
1.73 + while (line < 65536-4)
1.74 + println("// " + line);
1.75 + println("void straddle_65536(int i) {");
1.76 + while (line < 65536+4)
1.77 + println("i++;");
1.78 + println("}");
1.79 + println("}");
1.80 + out.close();
1.81 + return f;
1.82 + }
1.83 +
1.84 + File compileTestFile(File f) {
1.85 + int rc = com.sun.tools.javac.Main.compile(new String[] { f.getPath() });
1.86 + if (rc != 0)
1.87 + throw new Error("compilation failed. rc=" + rc);
1.88 + String path = f.getPath();
1.89 + return new File(path.substring(0, path.length() - 5) + ".class");
1.90 + }
1.91 +
1.92 + String javap(File f) {
1.93 + StringWriter sw = new StringWriter();
1.94 + PrintWriter out = new PrintWriter(sw);
1.95 + int rc = com.sun.tools.javap.Main.run(new String[] { "-l", f.getPath() }, out);
1.96 + if (rc != 0)
1.97 + throw new Error("javap failed. rc=" + rc);
1.98 + out.close();
1.99 + return sw.toString();
1.100 + }
1.101 +
1.102 + void verify(String output) {
1.103 + System.out.println(output);
1.104 + if (output.indexOf("-") >= 0)
1.105 + throw new Error("- found in output");
1.106 + }
1.107 +
1.108 + void println(String text) {
1.109 + out.println(text);
1.110 + line++;
1.111 + }
1.112 +
1.113 + PrintWriter out;
1.114 + int line = 1;
1.115 +}
