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package com.oracle.truffle.nfi.test;
import com.oracle.truffle.api.CallTarget;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.interop.ForeignAccess;
import com.oracle.truffle.api.interop.InteropException;
import com.oracle.truffle.api.interop.Message;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.tck.TruffleRunner;
import com.oracle.truffle.tck.TruffleRunner.Inject;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(TruffleRunner.class)
public class LateBindNFITest extends NFITest {
public static class BindAndExecuteNode extends NFITestRootNode {
@Child Node bind = Message.createInvoke(1).createNode();
@Child Node execute = Message.createExecute(1).createNode();
@Override
public Object executeTest(VirtualFrame frame) throws InteropException {
TruffleObject symbol = (TruffleObject) frame.getArguments()[0];
TruffleObject bound = (TruffleObject) ForeignAccess.sendInvoke(bind, symbol, "bind", "(sint32):sint32");
return ForeignAccess.sendExecute(execute, bound, frame.getArguments()[1]);
}
}
@Test
public void testLateBind(@Inject(BindAndExecuteNode.class) CallTarget callTarget) {
TruffleObject increment;
try {
increment = (TruffleObject) ForeignAccess.sendRead(Message.READ.createNode(), testLibrary, "increment_SINT32");
} catch (InteropException e) {
throw new AssertionError(e);
}
Object ret = callTarget.call(increment, 41);
Assert.assertThat("return value", ret, is(instanceOf(Integer.class)));
Assert.assertEquals("return value", 42, (int) (Integer) ret);
}
}