DOTestAsserts.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
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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.object.basic.test;

import org.junit.Assert;

import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.api.object.Location;
import com.oracle.truffle.api.object.Shape;
import com.oracle.truffle.object.LocationImpl;
import com.oracle.truffle.object.ShapeImpl;
import com.oracle.truffle.object.basic.BasicLocations.FieldLocation;
import com.oracle.truffle.object.basic.BasicLocations.PrimitiveLocationDecorator;
import com.oracle.truffle.object.basic.BasicLocations.SimpleLongFieldLocation;
import com.oracle.truffle.object.basic.BasicLocations.SimpleObjectFieldLocation;

public abstract class DOTestAsserts {

    public static void assertLocationFields(Location location, int prims, int objects) {
        LocationImpl locationImpl = (LocationImpl) location;
        Assert.assertEquals(prims, locationImpl.primitiveFieldCount());
        Assert.assertEquals(objects, locationImpl.objectFieldCount());
    }

    public static void assertShapeFields(DynamicObject object, int prims, int objects) {
        ShapeImpl shape = (ShapeImpl) object.getShape();
        Assert.assertEquals(objects, shape.getObjectFieldSize());
        Assert.assertEquals(prims, shape.getPrimitiveFieldSize());
        Assert.assertEquals(0, shape.getObjectArraySize());
        Assert.assertEquals(0, shape.getPrimitiveArraySize());
    }

    public static void assertSameLocation(Location location1, Location location2) {
        Assert.assertSame(getInternalLocation(location1), getInternalLocation(location2));
    }

    public static void assertNotSameLocation(Location location1, Location location2) {
        Assert.assertNotSame(getInternalLocation(location1), getInternalLocation(location2));
    }

    private static FieldLocation getInternalLocation(Location location) {
        if (location instanceof PrimitiveLocationDecorator) {
            return (FieldLocation) ((PrimitiveLocationDecorator) location).getInternalLocation();
        } else if (location instanceof SimpleLongFieldLocation) {
            return (FieldLocation) location;
        } else if (location instanceof SimpleObjectFieldLocation) {
            return (FieldLocation) location;
        } else {
            throw new AssertionError("Could not find internal location of " + location);
        }
    }

    public static void assertShape(String fields, Shape shape) {
        Assert.assertEquals(shapeId(shape) + fields, shape.toString());
    }

    private static String shapeId(Shape shape) {
        return "@" + Integer.toHexString(shape.hashCode());
    }
}