()
| 35 | } |
| 36 | |
| 37 | public void testCostValues() { |
| 38 | /* create messages so we can ask for msg costs */ |
| 39 | |
| 40 | Message m1 = new Message(h1,h2, msgId2, 10); |
| 41 | h1.createNewMessage(m1); |
| 42 | Message m2 = new Message(h1,h3, msgId3, 10); |
| 43 | h1.createNewMessage(m2); |
| 44 | Message m3 = new Message(h1,h4, msgId4, 10); |
| 45 | h1.createNewMessage(m3); |
| 46 | |
| 47 | Message m4 = new Message(h2,h1, msgId5, 10); |
| 48 | h2.createNewMessage(m4); |
| 49 | checkCreates(4); |
| 50 | |
| 51 | /* there should be no routes before connects */ |
| 52 | assertEquals(INVALID_COST, r1.getCost(h1, h2)); |
| 53 | assertEquals(INVALID_COST, r2.getCost(h2, h1)); |
| 54 | |
| 55 | h1.connect(h2); |
| 56 | assertEquals(0.0, r1.getCost(h1, h2)); // zero cost route to only known |
| 57 | assertEquals(0.0, r2.getCost(h2, h1)); |
| 58 | |
| 59 | disconnect(h1); // disconnect should not affect the costs |
| 60 | assertEquals(0.0, r1.getCost(h1, h2)); |
| 61 | assertEquals(0.0, r2.getCost(h2, h1)); |
| 62 | |
| 63 | h1.connect(h2); // costs should stay the same (only 1 known host) |
| 64 | assertEquals(0.0, r1.getCost(h1, h2)); |
| 65 | assertEquals(0.0, r2.getCost(h2, h1)); |
| 66 | |
| 67 | disconnect(h1); |
| 68 | h1.connect(h3); |
| 69 | assertEquals(0.5, r1.getCost(h1, h2)); |
| 70 | assertEquals(0.5, r1.getCost(h1, h3)); |
| 71 | assertEquals(0.0, r2.getCost(h2, h1)); // h2's costs should not change |
| 72 | |
| 73 | disconnect(h1); |
| 74 | h1.connect(h3); |
| 75 | /* h1's prob of meeting h2 is 0.5/2 -> cost 1-0.5/2 */ |
| 76 | assertEquals( 1 - 0.5/2 , r1.getCost(h1, h2)); |
| 77 | assertEquals( 1 - (1+0.5)/2 , r1.getCost(h1, h3)); |
| 78 | |
| 79 | disconnect(h1); |
| 80 | h1.connect(h3); |
| 81 | assertEquals( 1 - (0.5/2)/2 , r1.getCost(h1, h2)); |
| 82 | assertEquals( 1 - (1+(1+0.5)/2)/2 , r1.getCost(h1, h3)); |
| 83 | /* probabilities sum to 1.0 */ |
| 84 | assertEquals(1.0, (1-r1.getCost(h1, h2)) + (1-r1.getCost(h1, h3))); |
| 85 | |
| 86 | h1.connect(h4); |
| 87 | assertEquals( 1 - ((0.5/2)/2)/2 , r1.getCost(h1, h2)); |
| 88 | assertEquals( 1 - ((1+(1+0.5)/2)/2)/2 , r1.getCost(h1, h3)); |
| 89 | assertEquals( 1 - 0.5 , r1.getCost(h1, h4)); |
| 90 | assertEquals(1.0, (1-r1.getCost(h1, h2)) + (1-r1.getCost(h1, h3)) + |
| 91 | (1-r1.getCost(h1, h4))); |
| 92 | |
| 93 | disconnect(h1); |
| 94 | h1.connect(h2); // reconnect to h2 |
nothing calls this directly
no test coverage detected