public void testCreateFromMapCharSequence() {
Map<String, Object> map = new HashMap<>();
map.put("foo", "bar");
map.put("quux", 123);
map.put("eeek", new StringBuilder("blah"));
JsonObject obj = new JsonObject(map);
assertEquals("bar", obj.getString("foo"));
assertEquals(Integer.valueOf(123), obj.getInteger("quux"));
assertEquals("blah", obj.getString("eeek"));
assertSame(map, obj.getMap());
}