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test/tools/javap/T8032819.java@0b6cc4ea670f (annotated)

test/tools/javap/T8032819.java

Wed, 13 Aug 2014 14:50:00 -0700

author

katleman

date

Wed, 13 Aug 2014 14:50:00 -0700

changeset 2549

0b6cc4ea670f

parent 0

959103a6100f

permissions

-rw-r--r--

Added tag jdk8u40-b01 for changeset bf89a471779d

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2014, 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 8032819
aoqi@0	27	* @summary Extra empty line between field declarations for the "-v -c" and "-v -l" combination of options
aoqi@0	28	* @compile -g T8032819.java
aoqi@0	29	* @run main T8032819
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import java.io.*;
aoqi@0	33	import java.util.*;
aoqi@0	34
aoqi@0	35	public class T8032819 {
aoqi@0	36	static class Fields {
aoqi@0	37	int f1;
aoqi@0	38	int f2;
aoqi@0	39	}
aoqi@0	40
aoqi@0	41	public static void main(String... args) throws Exception {
aoqi@0	42	new T8032819().run();
aoqi@0	43	}
aoqi@0	44
aoqi@0	45	void run() throws Exception {
aoqi@0	46	Class<?> clazz = Fields.class;
aoqi@0	47	test(clazz);
aoqi@0	48	test(clazz, "-c");
aoqi@0	49	test(clazz, "-l");
aoqi@0	50	test(clazz, "-l", "-c");
aoqi@0	51	test(clazz, "-v");
aoqi@0	52	test(clazz, "-v", "-c");
aoqi@0	53	test(clazz, "-v", "-l");
aoqi@0	54	test(clazz, "-v", "-l", "-c");
aoqi@0	55
aoqi@0	56	if (errors > 0)
aoqi@0	57	throw new Exception(errors + " errors occurred");
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	static final String sep = System.getProperty("line.separator");
aoqi@0	61	static final String doubleBlankLine = sep + sep + sep;
aoqi@0	62
aoqi@0	63	void test(Class<?> clazz, String... opts) throws Exception {
aoqi@0	64	System.err.println("test " + Arrays.asList(opts));
aoqi@0	65	List<String> args = new ArrayList<String>();
aoqi@0	66	args.addAll(Arrays.asList(opts));
aoqi@0	67	args.addAll(Arrays.asList("-classpath", System.getProperty("test.classes")));
aoqi@0	68	args.add(clazz.getName());
aoqi@0	69	StringWriter sw = new StringWriter();
aoqi@0	70	PrintWriter pw = new PrintWriter(sw);
aoqi@0	71	int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);
aoqi@0	72	pw.close();
aoqi@0	73	String out = sw.toString();
aoqi@0	74	if (rc != 0)
aoqi@0	75	throw new Exception("javap failed unexpectedly: rc=" + rc);
aoqi@0	76
aoqi@0	77	int count = 0;
aoqi@0	78	int i = out.indexOf(doubleBlankLine, 0);
aoqi@0	79	while (i != -1) {
aoqi@0	80	count++;
aoqi@0	81	i = out.indexOf(doubleBlankLine, i + doubleBlankLine.length());
aoqi@0	82	}
aoqi@0	83
aoqi@0	84	if (count > 0)
aoqi@0	85	error(count + " double blank lines found");
aoqi@0	86	}
aoqi@0	87
aoqi@0	88	void error(String msg) {
aoqi@0	89	System.err.println("Error: " + msg);
aoqi@0	90	errors++;
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	int errors = 0;
aoqi@0	94	}
aoqi@0	95