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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
* 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.object.basic.test;
import org.junit.Assert;
import org.junit.Test;
import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.api.object.FinalLocationException;
import com.oracle.truffle.api.object.IncompatibleLocationException;
import com.oracle.truffle.api.object.Layout;
import com.oracle.truffle.api.object.Location;
import com.oracle.truffle.api.object.ObjectType;
import com.oracle.truffle.api.object.Property;
import com.oracle.truffle.api.object.Shape;
import com.oracle.truffle.object.basic.DefaultLayoutFactory;
public class DeclaredLocationTest {
final Layout layout = new DefaultLayoutFactory().createLayout(Layout.newLayout());
final Shape rootShape = layout.createShape(new ObjectType());
final Object value = new Object();
final Location declaredLocation = rootShape.allocator().declaredLocation(value);
final Shape shapeWithDeclared = rootShape.addProperty(Property.create("declared", declaredLocation, 0));
@Test
public void testDeclaredLocation() {
DynamicObject object = shapeWithDeclared.newInstance();
Assert.assertSame(value, object.get("declared"));
object.set("declared", value);
Assert.assertSame(shapeWithDeclared, object.getShape());
Property property = object.getShape().getProperty("declared");
Assert.assertEquals(true, property.getLocation().canStore(value));
Assert.assertEquals(true, property.getLocation().canSet(value));
try {
property.set(object, value, shapeWithDeclared);
} catch (IncompatibleLocationException | FinalLocationException e) {
Assert.fail(e.getMessage());
}
Object newValue = new Object();
Assert.assertEquals(false, property.getLocation().canStore(newValue));
Assert.assertEquals(false, property.getLocation().canSet(newValue));
try {
property.set(object, newValue, shapeWithDeclared);
Assert.fail();
} catch (FinalLocationException | IncompatibleLocationException e) {
Assert.assertTrue(e instanceof FinalLocationException);
}
Assert.assertSame(value, object.get("declared"));
}
@Test
public void testMigrateDeclaredLocation() {
DynamicObject object = shapeWithDeclared.newInstance();
Assert.assertSame(shapeWithDeclared, object.getShape());
Assert.assertSame(value, object.get("declared"));
Object newValue = new Object();
object.set("declared", newValue);
Assert.assertNotSame(shapeWithDeclared, object.getShape());
Assert.assertSame(newValue, object.get("declared"));
}
@Test
public void testAddDeclaredLocation() {
Property property = shapeWithDeclared.getProperty("declared");
DynamicObject object = rootShape.newInstance();
property.setSafe(object, value, rootShape, shapeWithDeclared);
Assert.assertSame(shapeWithDeclared, object.getShape());
Assert.assertSame(value, object.get("declared"));
DynamicObject object2 = rootShape.newInstance();
Object newValue = new Object();
Assert.assertEquals(false, property.getLocation().canStore(newValue));
Assert.assertEquals(false, property.getLocation().canSet(newValue));
try {
property.set(object2, newValue, rootShape, shapeWithDeclared);
Assert.fail();
} catch (IncompatibleLocationException e) {
// Expected
}
Assert.assertSame(rootShape, object2.getShape());
Assert.assertEquals(false, object2.containsKey("declared"));
}
}