| /* |
| * Copyright (c) 2009, 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. |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| |
| /* |
| * @test |
| * @bug 6824493 |
| * @summary experimental support for additional info for instructions |
| * @modules jdk.jdeps/com.sun.tools.javap |
| * @compile -g T6824493.java |
| * @run main T6824493 |
| */ |
| public class T6824493 { |
| public static void main(String... args) { |
| new T6824493().run(); |
| } |
| |
| void run() { |
| // for each of the options, we run javap and check for some |
| // marker strings in the output that generally indicate the |
| // presence of the expected output, without being as specific |
| // as a full golden file test. |
| test("-XDdetails:source", |
| "for (int i = 0; i < 10; i++) {", |
| "System.out.println(s + i);"); |
| |
| test("-XDdetails:tryBlocks", |
| "try[0]", |
| "end try[0]", |
| "catch[0]"); |
| |
| test("-XDdetails:stackMaps", |
| "StackMap locals: this java/lang/String int", |
| "StackMap stack: java/lang/Throwable"); |
| |
| test("-XDdetails:localVariables", |
| "start local 3 // java.util.List list", |
| "end local 3 // java.util.List list"); |
| |
| test("-XDdetails:localVariableTypes", |
| "start generic local 3 // java.util.List<java.lang.String> list", |
| "end generic local 3 // java.util.List<java.lang.String> list"); |
| |
| if (errors > 0) |
| throw new Error(errors + " errors found"); |
| } |
| |
| void test(String option, String... expect) { |
| String[] args = { |
| "-c", |
| "-classpath", |
| testSrc + File.pathSeparator + testClasses, |
| option, |
| "Test" |
| }; |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| int rc = com.sun.tools.javap.Main.run(args, pw); |
| if (rc != 0) { |
| error("unexpected return code from javap: " + rc); |
| return; |
| } |
| |
| String out = sw.toString(); |
| System.out.println(out); |
| for (String e: expect) { |
| if (!out.contains(e)) |
| error("Not found: " + e); |
| } |
| } |
| |
| void error(String msg) { |
| System.err.println("Error: " + msg); |
| errors++; |
| } |
| |
| private int errors; |
| private String testSrc = System.getProperty("test.src", "."); |
| private String testClasses = System.getProperty("test.classes", "."); |
| } |
| |
| class Test { |
| void m(String s) { |
| for (int i = 0; i < 10; i++) { |
| try { |
| List<String> list = null; |
| System.out.println(s + i); |
| } catch (NullPointerException e) { |
| System.out.println("catch NPE"); |
| } finally { |
| System.out.println("finally"); |
| } |
| } |
| } |
| } |