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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* 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).
*
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* 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.vm.ImplicitExplicitExportTest.L3;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.util.List;
import org.junit.After;
import org.junit.Test;
import com.oracle.truffle.api.source.Source;
import com.oracle.truffle.api.vm.PolyglotEngine;
public class GlobalSymbolTest {
private PolyglotEngine vm;
@After
public void after() {
if (vm != null) {
vm.dispose();
}
}
@Test
public void globalSymbolFoundByLanguage() {
vm = createEngineBuilder().globalSymbol("ahoj", "42").build();
// @formatter:off
Object ret = vm.eval(Source.newBuilder("return=ahoj").name("Return").mimeType(L3).build()
).get();
// @formatter:on
assertEquals("42", ret);
}
@Test
public void globalSymbolFoundByVMUser() {
vm = createEngineBuilder().globalSymbol("ahoj", "42").build();
PolyglotEngine.Value ret = vm.findGlobalSymbol("ahoj");
assertNotNull("Symbol found", ret);
assertEquals("42", ret.get());
}
protected PolyglotEngine.Builder createEngineBuilder() {
return PolyglotEngine.newBuilder();
}
@Test
public void passingArray() {
vm = createEngineBuilder().globalSymbol("arguments", new Object[]{"one", "two", "three"}).build();
PolyglotEngine.Value value = vm.findGlobalSymbol("arguments");
assertTrue("Get unwraps to original instance of array", value.get() instanceof Object[]);
List<?> args = value.as(List.class);
assertNotNull("Can be converted to List", args);
assertEquals("Three items", 3, args.size());
assertEquals("one", args.get(0));
assertEquals("two", args.get(1));
assertEquals("three", args.get(2));
String[] arr = args.toArray(new String[0]);
assertEquals("Three items in array", 3, arr.length);
assertEquals("one", arr[0]);
assertEquals("two", arr[1]);
assertEquals("three", arr[2]);
}
}