/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.oracle.truffle.api.test.vm;
import static com.oracle.truffle.api.test.ReflectionUtils.invokeStatic;
import static com.oracle.truffle.api.test.ReflectionUtils.loadRelative;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.junit.Before;
import org.junit.Test;
import com.oracle.truffle.api.vm.PolyglotEngine;
public class JavaInteropDocumentationTest {
private PolyglotEngine engine;
private static final Class<?> SNIPPETS = loadRelative(JavaInteropDocumentationTest.class, "PolyglotEngineSnippets");
@Before
public void initializeEngine() {
if (SNIPPETS != null) {
initializeEngineImpl();
}
}
private void initializeEngineImpl() {
engine = (PolyglotEngine) invokeStatic(SNIPPETS, "configureJavaInteropWithMul");
}
@Test
public void accessStaticJavaClass() {
if (engine == null) {
return;
}
Operation staticMul = engine.findGlobalSymbol("mul").as(Operation.class);
assertNotNull("mul symbol found", staticMul);
int res = staticMul.mul(10, 20);
assertEquals("Result is 200", 200, res);
}
@Test
public void accessInstanceMethod() {
if (engine == null) {
return;
}
Operation staticMul = engine.findGlobalSymbol("compose").as(Operation.class);
assertNotNull("compose symbol found", staticMul);
int res = staticMul.mul(10, 20);
assertEquals("Result is 200", 200, res);
}
interface Operation {
int mul(int x, int y);
}
}