// #6
assertEquals(2, messageUnpacker.unpackMapHeader());
for (int i = 0; i < childObject.size(); i++) {
String key = messageUnpacker.unpackString();
if (key.equals("str")) {
assertEquals("foobar", messageUnpacker.unpackString());
bitmap |= 0x1 << 0;
}
else if (key.equals("num")) {
assertEquals(123456, messageUnpacker.unpackInt());
bitmap |= 0x1 << 1;