public void testCopyHeapCharBuffer() {
String s = "abcde";
CharBuffer buffer = CharBuffer.allocate(s.length());
buffer.append(s);
buffer.rewind();
assertNotNull(CharArrayUtil.fromSequenceWithoutCopying(buffer));
assertNotNull(CharArrayUtil.fromSequenceWithoutCopying(buffer.subSequence(0, 5)));
// assertNull(CharArrayUtil.fromSequenceWithoutCopying(buffer.subSequence(0, 4))); // end index
// is not checked
assertNull(CharArrayUtil.fromSequenceWithoutCopying(buffer.subSequence(1, 5)));
assertNull(CharArrayUtil.fromSequenceWithoutCopying(buffer.subSequence(1, 2)));
}
