| 49 | |
| 50 | |
| 51 | unittest(test_constructor) |
| 52 | { |
| 53 | Troolean f(false); |
| 54 | Troolean t(true); |
| 55 | Troolean u(-1); |
| 56 | Troolean v(u); |
| 57 | |
| 58 | // should not use these |
| 59 | assertFalse(f); |
| 60 | assertTrue(t); |
| 61 | |
| 62 | // use these |
| 63 | assertTrue(f.isFalse()); |
| 64 | assertTrue(t.isTrue()); |
| 65 | assertTrue(u.isUnknown()); |
| 66 | assertTrue(v.isUnknown()); |
| 67 | |
| 68 | } |
| 69 | |
| 70 | |
| 71 | // TODO extend operators comparison etc |