86 lines
3.2 KiB
Java
86 lines
3.2 KiB
Java
/*
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* Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8006334
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* @summary javap: JavapTask constructor breaks with null pointer exception if
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* parameter options is null
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* @modules jdk.jdeps/com.sun.tools.javap
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*/
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import java.io.File;
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import java.util.Arrays;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.List;
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import java.util.Locale;
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import javax.tools.Diagnostic;
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import javax.tools.DiagnosticCollector;
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import javax.tools.JavaFileManager;
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import javax.tools.JavaFileObject;
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import com.sun.tools.javap.JavapFileManager;
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import com.sun.tools.javap.JavapTask;
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public class JavapTaskCtorFailWithNPE {
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//we will also check the output just to confirm that we get the expected one
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private static final String expOutput =
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"Compiled from \"JavapTaskCtorFailWithNPE.java\"\n" +
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"public class JavapTaskCtorFailWithNPE {\n" +
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" public JavapTaskCtorFailWithNPE();\n" +
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" public static void main(java.lang.String[]);\n" +
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"}\n";
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public static void main(String[] args) {
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new JavapTaskCtorFailWithNPE().run();
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}
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private void run() {
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File classToCheck = new File(System.getProperty("test.classes"),
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getClass().getSimpleName() + ".class");
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DiagnosticCollector<JavaFileObject> dc =
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new DiagnosticCollector<JavaFileObject>();
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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JavaFileManager fm = JavapFileManager.create(dc, pw);
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JavapTask t = new JavapTask(pw, fm, dc, null,
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Arrays.asList(classToCheck.getPath()));
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if (t.run() != 0)
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throw new Error("javap failed unexpectedly");
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List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
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for (Diagnostic<? extends JavaFileObject> d: diags) {
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if (d.getKind() == Diagnostic.Kind.ERROR)
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throw new AssertionError(d.getMessage(Locale.ENGLISH));
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}
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String lineSep = System.getProperty("line.separator");
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String out = sw.toString().replace(lineSep, "\n");
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if (!out.equals(expOutput)) {
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throw new AssertionError("The output is not equal to the one expected");
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}
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}
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}
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