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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 org.graalvm.compiler.truffle.test;
import org.junit.Ignore;
import org.junit.Test;
import org.graalvm.compiler.truffle.test.nodes.AbstractTestNode;
import org.graalvm.compiler.truffle.test.nodes.RootTestNode;
import com.oracle.truffle.api.frame.FrameDescriptor;
import com.oracle.truffle.api.frame.VirtualFrame;
public class EnumPartialEvaluationTest extends PartialEvaluationTest {
public static Object constant42() {
return 42;
}
public static Object constant0() {
return 0;
}
enum TestEnum {
Test0,
Test1,
}
static class SwitchTestNode extends AbstractTestNode {
private final TestEnum testEnum;
SwitchTestNode(TestEnum testEnum) {
this.testEnum = testEnum;
}
@Override
public int execute(VirtualFrame frame) {
switch (testEnum) {
case Test0:
return 42;
case Test1:
return 43;
default:
throw new AssertionError();
}
}
}
@Test
public void enumSwitchConstantFolding() {
AbstractTestNode result = new SwitchTestNode(TestEnum.Test0);
assertPartialEvalEquals("constant42", new RootTestNode(new FrameDescriptor(), "enumSwitchConstantFolding", result));
}
@Test
public void enumOrdinalConstant() {
AbstractTestNode result = new AbstractTestNode() {
@Override
public int execute(VirtualFrame frame) {
return TestEnum.Test0.ordinal();
}
};
assertPartialEvalEquals("constant0", new RootTestNode(new FrameDescriptor(), "enumOrdinalConstant", result));
}
@Ignore("Currently only works if compiled with ecj")
@Test
public void enumValuesConstant() {
AbstractTestNode result = new AbstractTestNode() {
@Override
public int execute(VirtualFrame frame) {
return TestEnum.values()[0].ordinal();
}
};
assertPartialEvalEquals("constant0", new RootTestNode(new FrameDescriptor(), "enumValuesConstant", result));
}
}