/*
* Copyright (c) 2009, 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
* @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");
}
}
}
}