russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
55 lines
2 KiB
Java
55 lines
2 KiB
Java
/*
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* Copyright (c) 2017, 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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package p;
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import java.util.ServiceConfigurationError;
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import java.util.ServiceLoader;
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import javax.script.ScriptEngineFactory;
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public class Main {
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public static void main(String[] args) {
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Module thisModule = Main.class.getModule();
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assertTrue(thisModule.isNamed());
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// this module does not declare that it uses ScriptEngineFactory
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assertFalse(thisModule.canUse(ScriptEngineFactory.class));
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try {
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ServiceLoader.load(ScriptEngineFactory.class);
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assertTrue(false);
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} catch (ServiceConfigurationError expected) { }
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// invoke addUses and retry
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thisModule.addUses(ScriptEngineFactory.class);
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ServiceLoader.load(ScriptEngineFactory.class).findFirst();
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}
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static void assertFalse(boolean value) {
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if (value) throw new RuntimeException();
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}
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static void assertTrue(boolean value) {
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if (!value) throw new RuntimeException();
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}
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}
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