public void testBasicOperations() {
LogSequenceNumber lsn = new LogSequenceNumber(123, 456);
assert lsn.getLogFileNo() == 123;
assert lsn.getFileOffset() == 456;
lsn.setRecordSize(10);
assert lsn.getRecordSize() == 10;
}
public void testCloneLSN() {
LogSequenceNumber lsn1 = new LogSequenceNumber(123, 456);
LogSequenceNumber lsn2 = lsn1.clone();
assert lsn1.equals(lsn2);
assert lsn1.hashCode() == lsn2.hashCode();
assert lsn1.compareTo(lsn2) == 0;
}
public void testCompareLSNs() {
LogSequenceNumber lsn1 = new LogSequenceNumber(123, 456);
LogSequenceNumber lsn2 = new LogSequenceNumber(123, 456);
LogSequenceNumber lsn3 = new LogSequenceNumber(123, 789);
LogSequenceNumber lsn4 = new LogSequenceNumber(125, 456);
assert lsn1.compareTo(lsn2) == 0;
assert lsn1.equals(lsn2);
assert lsn1.hashCode() == lsn2.hashCode();
assert lsn1.compareTo(lsn3) < 0;
assert lsn3.compareTo(lsn1) > 0;
assert !lsn1.equals(lsn3);
assert !lsn3.equals(lsn1);
assert lsn1.compareTo(lsn4) < 0;
assert lsn4.compareTo(lsn1) > 0;
assert !lsn1.equals(lsn4);
assert !lsn4.equals(lsn1);
assert lsn3.compareTo(lsn4) < 0;
assert lsn4.compareTo(lsn3) > 0;
assert !lsn3.equals(lsn4);
assert !lsn4.equals(lsn3);
}