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*
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* 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
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package org.graalvm.compiler.truffle.test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import org.graalvm.compiler.api.test.Graal;
import org.graalvm.compiler.runtime.RuntimeProvider;
import org.junit.Test;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.TruffleRuntime;
import com.oracle.truffle.api.impl.DefaultTruffleRuntime;
import com.oracle.truffle.api.impl.TVMCI;
import com.oracle.truffle.api.object.LayoutFactory;
public class TruffleRuntimeTest {
@Test
public void testGraalCapabilities() {
assertNotNull(Graal.getRuntime().getCapability(RuntimeProvider.class));
}
@Test
public void testRuntimeAvailable() {
assertNotNull(Truffle.getRuntime());
}
@Test
public void testRuntimeIsGraalRuntime() {
TruffleRuntime runtime = Truffle.getRuntime();
assertTrue(runtime.getClass() != DefaultTruffleRuntime.class);
}
@Test
public void testGetTVMCI() {
TruffleRuntime runtime = Truffle.getRuntime();
TVMCI tvmci = runtime.getCapability(TVMCI.class);
assertNotNull("Truffle Virtual Machine Compiler Interface not found", tvmci);
assertEquals("GraalTVMCI", tvmci.getClass().getSimpleName());
abstract class TVMCISubclass extends TVMCI {
}
TVMCISubclass subclass = runtime.getCapability(TVMCISubclass.class);
assertNull("Expected null return value for TVMCI subclass", subclass);
}
@Test
public void testGetCapabilityObjectClass() {
Object object = Truffle.getRuntime().getCapability(Object.class);
assertNull("Expected null return value for Object.class", object);
}
@Test
public void testGetLayoutFactory() {
TruffleRuntime runtime = Truffle.getRuntime();
LayoutFactory layoutFactory = runtime.getCapability(LayoutFactory.class);
assertNotNull("LayoutFactory not found", layoutFactory);
boolean java8OrEarlier = System.getProperty("java.specification.version").compareTo("1.9") < 0;
ClassLoader layoutFactoryCL = layoutFactory.getClass().getClassLoader();
if (java8OrEarlier) {
// Bootstrap class loader or JVMCI class loader
assertTrue(layoutFactoryCL == null || layoutFactoryCL == runtime.getClass().getClassLoader());
} else {
// Rely on modules to only load trusted service providers
}
}
}