Bug 100688 [JFace] Geometry.setLocation does not behave as documented
Geometry.setLocation incorrectly modifies the size of the rectangle, when it should modify the origin.
bundles/org.eclipse.jface/src/org/eclipse/jface/util/Geometry.java
* rectangle will overlap the original iff this is positive). 
     * @param orientation the side to extrude.  One of SWT.LEFT, SWT.RIGHT, SWT.TOP, or SWT.BOTTOM. The 
     * resulting rectangle will always share this side with the original rectangle.
     * @return a rectangle formed by extruding the given side of the rectangle by the given distance.
     * @since 3.0
     */
    public static Rectangle getExtrudedEdge(Rectangle toExtrude, int size,
            int orientation) {
        Rectangle bounds = new Rectangle(toExtrude.x, toExtrude.y,
                toExtrude.width, toExtrude.height);
        if (!isHorizontal(orientation)) {
            bounds.width = size;
        } else {
            bounds.height = size;
        }
        switch (orientation) {
        case SWT.RIGHT:
            bounds.x = toExtrude.x + toExtrude.width - bounds.width;
            break;
        case SWT.BOTTOM:
            bounds.y = toExtrude.y + toExtrude.height - bounds.height;
            break;
        }
        normalize(bounds);
        return bounds;
    }
    /**
     * Returns the opposite of the given direction. That is, returns SWT.LEFT if
     * given SWT.RIGHT and visa-versa.
     *