80 lines
2.6 KiB
Java
80 lines
2.6 KiB
Java
/*
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* Copyright (c) 2012, 2024, 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 7186925
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* @summary JavapTask passes null to java.io.Writer
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* @modules jdk.jdeps/com.sun.tools.javap
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*/
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import javax.tools.*;
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import com.sun.tools.javap.*;
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public class T7186925
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{
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public static void main(String... args) {
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new T7186925().run();
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}
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void run() {
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verify("java.lang.Object");
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if (errors > 0)
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throw new Error(errors + " found.");
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}
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void verify(String className) {
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try {
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JavaFileManager fileManager = JavapFileManager.create(null, null);
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JavaFileObject fo = fileManager.getJavaFileForInput(StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS);
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if (fo == null) {
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error("Can't find " + className);
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} else {
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JavapTask t = new JavapTask(null, fileManager, null);
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t.handleOptions(new String[] { "-sysinfo", className });
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JavapTask.ClassFileInfo cfInfo = t.read(fo);
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try (var in = fo.openInputStream()) {
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expectEqual(in.readAllBytes().length, cfInfo.size);
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}
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}
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} catch (NullPointerException ee) {
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ee.printStackTrace();
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error("Exception: " + ee);
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} catch (Exception ee) {
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System.err.println("Caught exception: " + ee);
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}
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}
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void expectEqual(int found, int expected) {
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if (found != expected)
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error("bad value found: " + found + " expected: " + expected);
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}
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void error(String msg) {
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System.err.println(msg);
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errors++;
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}
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int errors;
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}
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