### Question:
BorderLayout extends VLayout { public Canvas getWestMember() { return west.getMembers().length > 0 ? west.getMembers()[0] : null; } BorderLayout(); Canvas getCenterMember(); void setCenterMember(Canvas member); Canvas getNorthMember(); void setNorthMember(Canvas member); Canvas getSouthMember(); void setSouthMember(Canvas member); Canvas getWestMember(); void setWestMember(Canvas member); Canvas getEastMember(); void setEastMember(Canvas member);  }### Answer:
@Test public void test_westMemberReturnsNullIfNotSet() { assertNull(borderLayout.getWestMember()); }