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test/tools/javap/InvalidOptions.java@658861d1b36e (annotated)

test/tools/javap/InvalidOptions.java

Mon, 04 Nov 2013 18:04:34 -0800

author

cl

date

Mon, 04 Nov 2013 18:04:34 -0800

changeset 2181

658861d1b36e

child 2289

3fbda1dca565

permissions

-rw-r--r--

8027411: javap tonga tests cleanup: write a java program to test invalid options -h and -b
Reviewed-by: jjg

cl@2181	1	/*
cl@2181	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
cl@2181	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
cl@2181	4	*
cl@2181	5	* This code is free software; you can redistribute it and/or modify it
cl@2181	6	* under the terms of the GNU General Public License version 2 only, as
cl@2181	7	* published by the Free Software Foundation.
cl@2181	8	*
cl@2181	9	* This code is distributed in the hope that it will be useful, but WITHOUT
cl@2181	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
cl@2181	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
cl@2181	12	* version 2 for more details (a copy is included in the LICENSE file that
cl@2181	13	* accompanied this code).
cl@2181	14	*
cl@2181	15	* You should have received a copy of the GNU General Public License version
cl@2181	16	* 2 along with this work; if not, write to the Free Software Foundation,
cl@2181	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
cl@2181	18	*
cl@2181	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
cl@2181	20	* or visit www.oracle.com if you need additional information or have any
cl@2181	21	* questions.
cl@2181	22	*/
cl@2181	23
cl@2181	24	/*
cl@2181	25	* @test
cl@2181	26	* @bug 8027411
cl@2181	27	* @summary test invalid options -h and -b
cl@2181	28	*/
cl@2181	29
cl@2181	30	import java.io.*;
cl@2181	31	import java.util.zip.*;
cl@2181	32
cl@2181	33	public class InvalidOptions {
cl@2181	34	int errorCount;
cl@2181	35	String log;
cl@2181	36
cl@2181	37	public static void main(String[] args) throws Exception {
cl@2181	38	new InvalidOptions().run();
cl@2181	39	}
cl@2181	40
cl@2181	41	void run() throws Exception {
cl@2181	42	test(2, "-h", "Error: -h is no longer available - use the javah program");
cl@2181	43	test(2, "-b", "Error: unknown option: -b",
cl@2181	44	"Usage: javap <options> <classes>",
cl@2181	45	"use -help for a list of possible options");
cl@2181	46	if (errorCount > 0)
cl@2181	47	throw new Exception(errorCount + " errors received");
cl@2181	48	}
cl@2181	49
cl@2181	50	void test(int expect, String option, String ... expectedOutput) {
cl@2181	51	String output = runJavap(expect, option);
cl@2181	52	verify(output, expectedOutput);
cl@2181	53	}
cl@2181	54
cl@2181	55	String runJavap(int expect, String... option) {
cl@2181	56	StringWriter sw = new StringWriter();
cl@2181	57	PrintWriter pw = new PrintWriter(sw);
cl@2181	58	int rc = com.sun.tools.javap.Main.run(option, pw);
cl@2181	59	pw.close();
cl@2181	60	System.out.println("javap prints:");
cl@2181	61	System.out.println(sw);
cl@2181	62	if (rc != expect)
cl@2181	63	throw new Error("Expect to return " + expect + ", but return " + rc);
cl@2181	64	return sw.toString();
cl@2181	65	}
cl@2181	66
cl@2181	67	void verify(String output, String... expects) {
cl@2181	68	for (String expect: expects) {
cl@2181	69	if (!output.contains(expect))
cl@2181	70	error(expect + " not found");
cl@2181	71	}
cl@2181	72	}
cl@2181	73
cl@2181	74	void error(String msg) {
cl@2181	75	System.err.println(msg);
cl@2181	76	errorCount++;
cl@2181	77	}
cl@2181	78	}