79 lines
2.5 KiB
Java
79 lines
2.5 KiB
Java
/*
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* Copyright (c) 2013, 2018, 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 8027411 8032869
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* @summary test an invalid option
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* @modules jdk.jdeps/com.sun.tools.javap
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*/
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import java.io.*;
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import java.util.zip.*;
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public class InvalidOptions {
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int errorCount;
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String log;
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public static void main(String[] args) throws Exception {
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new InvalidOptions().run();
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}
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void run() throws Exception {
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test(2, "-b", "Error: unknown option: -b",
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"Usage: javap <options> <classes>",
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"use --help for a list of possible options");
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if (errorCount > 0)
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throw new Exception(errorCount + " errors received");
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}
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void test(int expect, String option, String ... expectedOutput) {
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String output = runJavap(expect, option);
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verify(output, expectedOutput);
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}
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String runJavap(int expect, String... option) {
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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int rc = com.sun.tools.javap.Main.run(option, pw);
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pw.close();
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System.out.println("javap prints:");
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System.out.println(sw);
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if (rc != expect)
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throw new Error("Expect to return " + expect + ", but return " + rc);
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return sw.toString();
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}
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void verify(String output, String... expects) {
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for (String expect: expects) {
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if (!output.contains(expect))
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error(expect + " not found");
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}
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}
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void error(String msg) {
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System.err.println(msg);
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errorCount++;
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}
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}
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