38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#ifdef WITH_TESTS
|
|
|
|
#include "../../Tests.h"
|
|
|
|
#include "../../../sensors/radio/model/LogDistanceModel.h"
|
|
|
|
TEST(LogDistanceModel, calc) {
|
|
|
|
const float txp = -40;
|
|
const float exp = 1;
|
|
ASSERT_EQ(-40, LogDistanceModel::distanceToRssi(txp, exp, 1.0));
|
|
|
|
// only exponent changed. at 1.0 meter: no difference
|
|
ASSERT_EQ(LogDistanceModel::distanceToRssi(-40, 1.0, 1.0), LogDistanceModel::distanceToRssi(-40, 2.0, 1.0));
|
|
|
|
// distance increment
|
|
ASSERT_GT(LogDistanceModel::distanceToRssi(-40, 1.0, 1.0), LogDistanceModel::distanceToRssi(-40, 1.0, 2.0));
|
|
|
|
// exponent at more than 1.0m
|
|
ASSERT_GT(LogDistanceModel::distanceToRssi(-40, 1.0, 3.0), LogDistanceModel::distanceToRssi(-40, 1.1, 3.0));
|
|
|
|
// other txp
|
|
ASSERT_GT(LogDistanceModel::distanceToRssi(-40, 1.0, 1.0), LogDistanceModel::distanceToRssi(-45, 1.0, 1.0));
|
|
|
|
}
|
|
|
|
TEST(LogDistanceModel, forwardBackward) {
|
|
|
|
const float txp = -40;
|
|
const float exp = 1;
|
|
ASSERT_EQ(1.0, LogDistanceModel::rssiToDistance(txp, exp, LogDistanceModel::distanceToRssi(txp, exp, 1.0)));
|
|
ASSERT_EQ(5.0, LogDistanceModel::rssiToDistance(txp, exp, LogDistanceModel::distanceToRssi(txp, exp, 5.0)));
|
|
ASSERT_EQ(10.0, LogDistanceModel::rssiToDistance(txp, exp, LogDistanceModel::distanceToRssi(txp, exp, 10.0)));
|
|
|
|
}
|
|
|
|
#endif
|