/*
* 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" );
}
}
}
}
Messung V0.5 in Prozent C=89 H=96 G=92
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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