common: Implement TimeAndPos::distance_cm().

[gps-watch.git] / test / gps_test.rs

diff --git a/test/gps_test.rs b/test/gps_test.rs
index 1cff088019cb99a020477a8f0e2cd045d3dd7cb7..7a71a76b83160de3a7d6cee91f3efd71608a270c 100644 (file)
--- a/test/gps_test.rs
+++ b/test/gps_test.rs
@@ -21,8 +21,11 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+use common::fixed15_49;
 use common::gps;
 
+type Fixed = fixed15_49::Fixed15_49;
+
 // Verifies that a single RMC message with position, date and time
 // does not suffice for getting a valid TimeAndPos result.
 #[test]
@@ -87,3 +90,26 @@ $GPGGA,110338.000,1234.5678,N,12345.6789,E,\
     assert_eq!(0.21949487565883447, tap.latitude_rad.to_f32());
     assert_eq!(2.160042433347846, tap.longitude_rad.to_f32());
 }
+
+#[test]
+fn distance_cm0() {
+    let tap0 = gps::TimeAndPos {
+        system_time: 0,
+        unix_time: 0,
+        latitude: 0,
+        longitude: 0,
+        latitude_rad: Fixed::from_f32(49.02541333).to_radians(),
+        longitude_rad: Fixed::from_f32(8.79440167).to_radians(),
+    };
+
+    let tap1 = gps::TimeAndPos {
+        system_time: 1,
+        unix_time: 1,
+        latitude: 0,
+        longitude: 0,
+        latitude_rad: Fixed::from_f32(49.02541000).to_radians(),
+        longitude_rad: Fixed::from_f32(8.79443667).to_radians(),
+    };
+
+    assert_eq!(349, tap1.distance_cm(&tap0));
+}