SymbolicAddressMap { public void join(SymbolicAddressMap b) { if(b == null) return; joinReturned(b,0); } SymbolicAddressMap(BoundedSetFactory<SymbolicAddress> bsFactory); private  SymbolicAddressMap(BoundedSetFactory<SymbolicAddress> bsFactory,
							   HashMap<Location,BoundedSet<SymbolicAddress>> initP,
							   HashMap<String,BoundedSet<SymbolicAddress>> initA); boolean isTop(); static SymbolicAddressMap top(); @Override int hashCode(); @Override boolean equals(Object obj); boolean isSubset(SymbolicAddressMap other); SymbolicAddressMap cloneFilterStack(int bound); SymbolicAddressMap cloneInvoke(int framePtr); void addStackUpto(SymbolicAddressMap in, int bound); void join(SymbolicAddressMap b); void joinReturned(SymbolicAddressMap returned, int framePtr); void copyStack(SymbolicAddressMap in, int dst, int src); BoundedSet<SymbolicAddress> getStack(int index); void putStack(int index, BoundedSet<SymbolicAddress> bs); BoundedSet<SymbolicAddress> getHeap(String staticfield); void putHeap(String staticfield, BoundedSet<SymbolicAddress> pointers); void put(Location l, BoundedSet<SymbolicAddress> bs); void addAlias(String ty, BoundedSet<SymbolicAddress> newAliases); BoundedSet<SymbolicAddress> getAliases(String fieldType); void print(PrintStream out, int indent); @Override String toString();  }
@Test public void testJoin() { SymbolicAddressMap m1 = map1(); SymbolicAddressMap m2 = map2(); SymbolicAddressMap top = SymbolicAddressMap.top(); assertEquals(join(m1,null),m1); assertEquals(join(m2,null),m2); assertEquals(join(top,null),top); assertEquals(join(m1,m2),join(m2,m1)); assertEquals(join(m1,top),top); assertEquals(join(top,m1),top); assertEquals(join(top,top),top); assert(m1.isSubset(join(m1,m2))); assert(m1.isSubset(join(m2,m1))); assert(m2.isSubset(join(m1,m2))); assert(m2.isSubset(join(m2,m1))); assert(join(m1,m2).isSubset(top)); }