private static String getDistance(Geopoint position, Geopoint target) {
final float kilometers = position.distanceTo(target);
if (Settings.isUseMetricUnits()) {
return getDistance(
kilometers,
(int) (kilometers * 1000.0),
5.0f,
1.0f,
50,
R.plurals.tts_kilometers,
R.string.tts_one_kilometer,
R.plurals.tts_meters,
R.string.tts_one_meter);
}
return getDistance(
kilometers / IConversion.MILES_TO_KILOMETER,
(int) (kilometers * 1000.0 * IConversion.METERS_TO_FEET),
3.0f,
0.2f,
300,
R.plurals.tts_miles,
R.string.tts_one_mile,
R.plurals.tts_feet,
R.string.tts_one_foot);
}
private static void assertDistance(final String expected, final float distance) {
final String actual = Units.getDistanceFromKilometers(distance);
if (!StringUtils.equals(expected, actual.replace(',', '.'))) { // make 1.2 the same as 1,2
fail(
"getHumanDistance("
+ distance
+ ") [metric: "
+ (Settings.isUseMetricUnits() ? "yes" : "no")
+ "] fails to match "
+ expected
+ ": "
+ actual);
}
}
// Make method non-static so that Settings is initialized
@SuppressWarnings("static-method")
public void testSpeed() {
assertEquals("?", Units.getDistanceFromKilometers(null));
final boolean savedMetrics = Settings.isUseMetricUnits();
try {
Settings.setUseMetricUnits(true);
assertSpeed("123 km/h", 122.782f);
assertSpeed("123 km/h", 123.456f);
assertSpeed("12.3 km/h", 12.3456f);
assertSpeed("1.23 km/h", 1.23456f);
assertSpeed("123 m/h", 0.123456f);
Settings.setUseMetricUnits(false);
assertSpeed("76.7 mph", 123.456f);
assertSpeed("7.67 mph", 12.3456f);
assertSpeed("0.77 mph", 1.23456f);
} finally {
Settings.setUseMetricUnits(savedMetrics);
}
}
// Make method non-static so that Settings is initialized
@SuppressWarnings("static-method")
public void testElevation() {
final boolean savedMetrics = Settings.isUseMetricUnits();
try {
Settings.setUseMetricUnits(true);
assertElevation("↥ 123 m", 122.782f);
assertElevation("↥ 123 m", 123.456f);
assertElevation("↥ 12 m", 12.3456f);
assertElevation("↥ 1 m", 1.23456f);
assertElevation("↥ 2 m", 1.6f);
assertElevation("↥ 0 m", 0.123456f);
assertElevation("↧ 123 m", -122.782f);
assertElevation("↧ 123 m", -123.456f);
assertElevation("↧ 12 m", -12.3456f);
assertElevation("↧ 1 m", -1.23456f);
assertElevation("↧ 2 m", -1.6f);
assertElevation("↧ 0 m", -0.123456f);
Settings.setUseMetricUnits(false);
assertElevation("↥ 405 ft", 123.456f);
assertElevation("↥ 41 ft", 12.3456f);
} finally {
Settings.setUseMetricUnits(savedMetrics);
}
}