| Jiri Simsa | 5293dcb | 2014-05-10 09:56:38 -0700 | [diff] [blame] | 1 | // +build linux |
| 2 | |
| 3 | package bluetooth |
| 4 | |
| 5 | import ( |
| 6 | "math" |
| 7 | "testing" |
| 8 | |
| Srdjan Petrovic | ded3659 | 2014-06-26 10:04:14 -0700 | [diff] [blame] | 9 | "veyron/lib/unit" |
| Jiri Simsa | 5293dcb | 2014-05-10 09:56:38 -0700 | [diff] [blame] | 10 | ) |
| 11 | |
| 12 | func TestDistanceFromRSSI(t *testing.T) { |
| 13 | testcases := []struct { |
| 14 | rssi int |
| 15 | dist unit.Distance |
| 16 | }{ |
| 17 | {-45, 1 * unit.Meter}, |
| 18 | {-50, 1 * unit.Meter}, |
| 19 | {-55, 2 * unit.Meter}, |
| 20 | {-60, 4 * unit.Meter}, |
| 21 | {-65, 8 * unit.Meter}, |
| 22 | {-70, 13 * unit.Meter}, |
| 23 | {-80, 39 * unit.Meter}, |
| 24 | {-90, 113 * unit.Meter}, |
| 25 | } |
| 26 | for _, tc := range testcases { |
| 27 | d := distanceFromRSSI(tc.rssi) |
| 28 | if math.Trunc(d.Meters()) != tc.dist.Meters() { |
| 29 | t.Errorf("distanceFromRSSI(%d) = %v; want %v", tc.rssi, d, tc.dist) |
| 30 | } |
| 31 | } |
| 32 | } |
