@Test
public void testInc() {
LongRef ref = new LongRef(100);
assertEquals(101, ref.inc());
assertEquals(101, ref.get());
assertEquals(111, ref.inc(10));
assertEquals(111, ref.get());
assertEquals(100, ref.inc(-11));
assertEquals(100, ref.get());
}
@Test
public void testDec() {
LongRef ref = new LongRef(100);
assertEquals(99, ref.dec());
assertEquals(99, ref.get());
assertEquals(89, ref.dec(10));
assertEquals(89, ref.get());
assertEquals(100, ref.dec(-11));
assertEquals(100, ref.get());
}
@Test
public void testAtomic() {
LongRef ref1 = new LongRef(10);
LongRef ref2 = new LongRef(20);
try {
incButAbort(ref1, ref2);
fail();
} catch (DeadTransactionException expected) {
}
assertEquals(10, ref1.get());
assertEquals(20, ref2.get());
}
@Test
public void set() {
LongRef ref = new LongRef(10);
long old = ref.set(100);
assertEquals(10, old);
assertEquals(100, ref.get());
}
@Test
public void constructorWithSingleArg() {
LongRef ref = new LongRef(10);
assertEquals(10, ref.get());
}
@Test
public void constructorWithNoArg() {
LongRef ref = new LongRef();
assertEquals(0, ref.get());
}