@Mock(minInvocations = 1, maxInvocations = 3)
public int computeX(Invocation inv, int a, int b) {
assertTrue(a + b >= 0);
assertNotNull(inv.getInvokedInstance());
return a - b;
}
@Mock(invocations = 1)
public void $init(Invocation inv, String config) {
assertNotNull(inv.getInvokedInstance());
assertEquals("config", config);
}