protected void equalTest(T a, T b) throws AssertionError {
        JunitCompat.assertEquals(a + " must be compared equal to " + b, 0, a.compareTo(b));
    }
PartialOrderTester implements a partial order test for OrderTester

Usage: see {@link com.yahoo.test.TotalOrderTester}

@author Vegard Sjonfjell
testutil/src/main/java/com/yahoo/test/PartialOrderTester.java