| /* |
| * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4459541 |
| * @summary "javap -l" shows line numbers as signed short; they should be unsigned. |
| * @modules jdk.jdeps/com.sun.tools.javap |
| */ |
| |
| import java.io.*; |
| |
| public class T4459541 { |
| public static void main(String[] args) throws Exception { |
| new T4459541().run(); |
| } |
| |
| public void run() throws IOException { |
| File javaFile = writeTestFile(); |
| File classFile = compileTestFile(javaFile); |
| String output = javap(classFile); |
| verify(output); |
| } |
| |
| File writeTestFile() throws IOException { |
| File f = new File("Test.java"); |
| out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
| println("class Test {"); |
| println("void begin(int i) {"); |
| println("i++;"); |
| println("i++;"); |
| println("}"); |
| while (line < 32750) |
| println("// " + line); |
| println("void before_32767(int i) {"); |
| println("i++;"); |
| println("i++;"); |
| println("}"); |
| while (line < 32768-4) |
| println("// " + line); |
| println("void straddle_32768(int i) {"); |
| while (line < 32768+4) |
| println("i++;"); |
| println("}"); |
| while (line < 65520) |
| println("// " + line); |
| println("void between_32768_and_65536(int i) {"); |
| println("i++;"); |
| println("i++;"); |
| println("}"); |
| while (line < 65536-4) |
| println("// " + line); |
| println("void straddle_65536(int i) {"); |
| while (line < 65536+4) |
| println("i++;"); |
| println("}"); |
| println("}"); |
| out.close(); |
| return f; |
| } |
| |
| File compileTestFile(File f) { |
| int rc = com.sun.tools.javac.Main.compile(new String[] { f.getPath() }); |
| if (rc != 0) |
| throw new Error("compilation failed. rc=" + rc); |
| String path = f.getPath(); |
| return new File(path.substring(0, path.length() - 5) + ".class"); |
| } |
| |
| String javap(File f) { |
| StringWriter sw = new StringWriter(); |
| PrintWriter out = new PrintWriter(sw); |
| int rc = com.sun.tools.javap.Main.run(new String[] { "-l", f.getPath() }, out); |
| if (rc != 0) |
| throw new Error("javap failed. rc=" + rc); |
| out.close(); |
| return sw.toString(); |
| } |
| |
| void verify(String output) { |
| System.out.println(output); |
| if (output.indexOf("-") >= 0) |
| throw new Error("- found in output"); |
| } |
| |
| void println(String text) { |
| out.println(text); |
| line++; |
| } |
| |
| PrintWriter out; |
| int line = 1; |
| } |