| /* |
| * Copyright (c) 2013, 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 8006334 |
| * @summary javap: JavapTask constructor breaks with null pointer exception if |
| * parameter options is null |
| * @modules jdk.jdeps/com.sun.tools.javap |
| */ |
| |
| import java.io.File; |
| import java.util.Arrays; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.util.List; |
| import java.util.Locale; |
| import javax.tools.Diagnostic; |
| import javax.tools.DiagnosticCollector; |
| import javax.tools.JavaFileManager; |
| import javax.tools.JavaFileObject; |
| import com.sun.tools.javap.JavapFileManager; |
| import com.sun.tools.javap.JavapTask; |
| |
| public class JavapTaskCtorFailWithNPE { |
| |
| //we will also check the output just to confirm that we get the expected one |
| private static final String expOutput = |
| "Compiled from \"JavapTaskCtorFailWithNPE.java\"\n" + |
| "public class JavapTaskCtorFailWithNPE {\n" + |
| " public JavapTaskCtorFailWithNPE();\n" + |
| " public static void main(java.lang.String[]);\n" + |
| "}\n"; |
| |
| public static void main(String[] args) { |
| new JavapTaskCtorFailWithNPE().run(); |
| } |
| |
| private void run() { |
| File classToCheck = new File(System.getProperty("test.classes"), |
| getClass().getSimpleName() + ".class"); |
| |
| DiagnosticCollector<JavaFileObject> dc = |
| new DiagnosticCollector<JavaFileObject>(); |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| JavaFileManager fm = JavapFileManager.create(dc, pw); |
| JavapTask t = new JavapTask(pw, fm, dc, null, |
| Arrays.asList(classToCheck.getPath())); |
| if (t.run() != 0) |
| throw new Error("javap failed unexpectedly"); |
| |
| List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics(); |
| for (Diagnostic<? extends JavaFileObject> d: diags) { |
| if (d.getKind() == Diagnostic.Kind.ERROR) |
| throw new AssertionError(d.getMessage(Locale.ENGLISH)); |
| } |
| String lineSep = System.getProperty("line.separator"); |
| String out = sw.toString().replace(lineSep, "\n"); |
| if (!out.equals(expOutput)) { |
| throw new AssertionError("The output is not equal to the one expected"); |
| } |
| } |
| |
| } |