public class test_code_point {

    public static void main(String[] argv) {
	String s = "!𐤇𐤄𐤋𐤋𐤅"; 
	assert(s.codePointAt(1) == 67847);
	assert(s.codePointBefore(3) == 67847);
	assert(s.codePointCount(1,5) >= 2);
	assert(s.offsetByCodePoints(1,2) >= 3);
	StringBuilder sb = new StringBuilder();
	sb.appendCodePoint(0x10907);
	assert(s.charAt(1) == sb.charAt(0));
    }
}
