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Fix lat-long format and add tests

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Currently the lat-long string in the gallery still contains
negative numbers. Also W values do not work correctly.
This commit fixes the calculations and adds tests for the
LatLng class.
This commit is contained in:
Tobias Schönberg 2017-05-16 21:41:18 +02:00
parent 825cdafe7b
commit bc60cff5fe
2 changed files with 70 additions and 3 deletions
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64
app/src/test/java/fr/free/nrw/commons/LatLngTests.java Normal file
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package fr.free.nrw.commons;
import static org.hamcrest.CoreMatchers.is;
import org.junit.Assert;
import org.junit.Test;
import fr.free.nrw.commons.location.LatLng;
public class LatLngTests {
@Test public void testZeroZero() {
LatLng place = new LatLng(0, 0);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("0.0 N, 0.0 E"));
}
@Test public void testAntipode() {
LatLng place = new LatLng(0, 180);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("0.0 N, 180.0 W"));
}
@Test public void testNorthPole() {
LatLng place = new LatLng(90, 0);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("90.0 N, 0.0 E"));
}
@Test public void testSouthPole() {
LatLng place = new LatLng(-90, 0);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("90.0 S, 0.0 E"));
}
@Test public void testLargerNumbers() {
LatLng place = new LatLng(120, 380);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("90.0 N, 20.0 E"));
}
@Test public void testNegativeNumbers() {
LatLng place = new LatLng(-120, -30);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("90.0 S, 30.0 W"));
}
@Test public void testTooBigWestValue() {
LatLng place = new LatLng(20, -190);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("20.0 N, 170.0 E"));
}
@Test public void testRounding() {
LatLng place = new LatLng(0.1234567, -0.33333333);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("0.1235 N, 0.3333 W"));
}
@Test public void testRoundingAgain() {
LatLng place = new LatLng(-0.000001, -0.999999);
String prettyString = place.getPrettyCoordinateString();
Assert.assertThat(prettyString, is("0.0 S, 1.0 W"));
}
}