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test/tools/javap/8006334/JavapTaskCtorFailWithNPE.java@2eb010b6cb22 (annotated)

test/tools/javap/8006334/JavapTaskCtorFailWithNPE.java

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 1819

7fe655cad9b1

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 8006334
aoqi@0	27	* @summary javap: JavapTask constructor breaks with null pointer exception if
aoqi@0	28	* parameter options is null
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	import java.io.File;
aoqi@0	32	import java.util.Arrays;
aoqi@0	33	import java.io.PrintWriter;
aoqi@0	34	import java.io.StringWriter;
aoqi@0	35	import java.util.List;
aoqi@0	36	import java.util.Locale;
aoqi@0	37	import javax.tools.Diagnostic;
aoqi@0	38	import javax.tools.DiagnosticCollector;
aoqi@0	39	import javax.tools.JavaFileManager;
aoqi@0	40	import javax.tools.JavaFileObject;
aoqi@0	41	import com.sun.tools.javap.JavapFileManager;
aoqi@0	42	import com.sun.tools.javap.JavapTask;
aoqi@0	43
aoqi@0	44	public class JavapTaskCtorFailWithNPE {
aoqi@0	45
aoqi@0	46	//we will also check the output just to confirm that we get the expected one
aoqi@0	47	private static final String expOutput =
aoqi@0	48	"Compiled from \"JavapTaskCtorFailWithNPE.java\"\n" +
aoqi@0	49	"public class JavapTaskCtorFailWithNPE {\n" +
aoqi@0	50	" public JavapTaskCtorFailWithNPE();\n" +
aoqi@0	51	" public static void main(java.lang.String[]);\n" +
aoqi@0	52	"}\n";
aoqi@0	53
aoqi@0	54	public static void main(String[] args) {
aoqi@0	55	new JavapTaskCtorFailWithNPE().run();
aoqi@0	56	}
aoqi@0	57
aoqi@0	58	private void run() {
aoqi@0	59	File classToCheck = new File(System.getProperty("test.classes"),
aoqi@0	60	getClass().getSimpleName() + ".class");
aoqi@0	61
aoqi@0	62	DiagnosticCollector<JavaFileObject> dc =
aoqi@0	63	new DiagnosticCollector<JavaFileObject>();
aoqi@0	64	StringWriter sw = new StringWriter();
aoqi@0	65	PrintWriter pw = new PrintWriter(sw);
aoqi@0	66	JavaFileManager fm = JavapFileManager.create(dc, pw);
aoqi@0	67	JavapTask t = new JavapTask(pw, fm, dc, null,
aoqi@0	68	Arrays.asList(classToCheck.getPath()));
aoqi@0	69	if (t.run() != 0)
aoqi@0	70	throw new Error("javap failed unexpectedly");
aoqi@0	71
aoqi@0	72	List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
aoqi@0	73	for (Diagnostic<? extends JavaFileObject> d: diags) {
aoqi@0	74	if (d.getKind() == Diagnostic.Kind.ERROR)
aoqi@0	75	throw new AssertionError(d.getMessage(Locale.ENGLISH));
aoqi@0	76	}
aoqi@0	77	String lineSep = System.getProperty("line.separator");
aoqi@0	78	String out = sw.toString().replace(lineSep, "\n");
aoqi@0	79	if (!out.equals(expOutput)) {
aoqi@0	80	throw new AssertionError("The output is not equal to the one expected");
aoqi@0	81	}
aoqi@0	82	}
aoqi@0	83
aoqi@0	84	}