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test/tools/javap/T4876942.java@4a48f3173534 (annotated)

test/tools/javap/T4876942.java

Thu, 04 Apr 2013 19:05:42 -0700

author

katleman

date

Thu, 04 Apr 2013 19:05:42 -0700

changeset 1662

4a48f3173534

parent 554

9d9f26857129

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Added tag jdk8-b84 for changeset cfb65ca92082

jjg@46	1	/*
ohair@554	2	* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
jjg@46	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@46	4	*
jjg@46	5	* This code is free software; you can redistribute it and/or modify it
jjg@46	6	* under the terms of the GNU General Public License version 2 only, as
jjg@46	7	* published by the Free Software Foundation.
jjg@46	8	*
jjg@46	9	* This code is distributed in the hope that it will be useful, but WITHOUT
jjg@46	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@46	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@46	12	* version 2 for more details (a copy is included in the LICENSE file that
jjg@46	13	* accompanied this code).
jjg@46	14	*
jjg@46	15	* You should have received a copy of the GNU General Public License version
jjg@46	16	* 2 along with this work; if not, write to the Free Software Foundation,
jjg@46	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@46	18	*
ohair@554	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554	20	* or visit www.oracle.com if you need additional information or have any
ohair@554	21	* questions.
jjg@46	22	*/
jjg@46	23
jjg@46	24	/*
jjg@46	25	* @test
jjg@64	26	* @bug 4876942 6715251
jjg@46	27	* @summary javap invoked without args does not print help screen
jjg@46	28	*/
jjg@46	29
jjg@46	30	import java.io.*;
jjg@46	31	import java.util.zip.*;
jjg@46	32
jjg@46	33	public class T4876942 {
jjg@46	34	public static void main(String[] args) throws Exception {
jjg@46	35	new T4876942().run();
jjg@46	36	}
jjg@46	37
jjg@46	38	public void run() throws IOException {
jjg@46	39	String output = javap();
jjg@46	40	verify(output, "-public", "-protected", "-private"); // check that some of the options are listed
jjg@46	41
jjg@46	42	if (errors > 0)
jjg@46	43	throw new Error(errors + " found.");
jjg@46	44	}
jjg@46	45
jjg@46	46	String javap(String... args) {
jjg@46	47	StringWriter sw = new StringWriter();
jjg@46	48	PrintWriter out = new PrintWriter(sw);
jjg@46	49	//sun.tools.javap.Main.entry(args);
jjg@46	50	int rc = com.sun.tools.javap.Main.run(args, out);
jjg@64	51	if (rc != (args.length == 0 ? 2 : 0))
jjg@46	52	throw new Error("javap failed. rc=" + rc);
jjg@46	53	out.close();
jjg@46	54	return sw.toString();
jjg@46	55	}
jjg@46	56
jjg@46	57	void verify(String output, String... expects) {
jjg@46	58	for (String expect: expects) {
jjg@46	59	if (output.indexOf(expect)< 0)
jjg@46	60	error(expect + " not found");
jjg@46	61	}
jjg@46	62	}
jjg@46	63
jjg@46	64	void error(String msg) {
jjg@46	65	System.err.println(msg);
jjg@46	66	errors++;
jjg@46	67	}
jjg@46	68
jjg@46	69	int errors;
jjg@46	70	}