public void CreateFromCrsCode_ShouldThrowException_WhenCrsCodeIsNull() {
ArgumentException exception = Assert.Throws<ArgumentNullException>(
() => {
CrsIdentifierFactory.CreateFromCrsCode(null);
}
,
"CRS code must not be null"
);
}
public void CrsIdentifierFactory_ShouldThrowException_WhenCrsCodeIsEpsgWithNegativeNumber() {
ArgumentException exception = Assert.Throws<ArgumentException>(
() => {
CrsIdentifierFactory.CreateFromCrsCode(GetCrsCodeIncludingUppercasedEpsgPrefix(-123)); // should fail
}
,
"EPSG must not be negative"
);
AssertExceptionMessageWhenArgumentWasNullOrEmptyString(exception, "non-positive");
}
public void CrsIdentifierFactory_ShouldThrowException_WhenCrsCodeInputIsOnlyWhitespace() {
ArgumentException exception = Assert.Throws<ArgumentException>(
() => {
CrsIdentifierFactory.CreateFromCrsCode(" "); // should fail
}
,
"Must not be empty string"
);
AssertExceptionMessageWhenArgumentWasNullOrEmptyString(exception, "non-empty");
}
public void method2()
{
int epsgNumber = 4326;
string crsCode = "EPSG:" + epsgNumber;
CrsIdentifier crsIdentifier; // namespace Programmerare.CrsTransformations.Identifier
crsIdentifier = CrsIdentifierFactory.CreateFromEpsgNumber(epsgNumber);
// Alternative:
crsIdentifier = CrsIdentifierFactory.CreateFromCrsCode(crsCode);
double latitude = 59.330231;
double longitude = 18.059196;
CrsCoordinate crsCoordinate; // namespace Programmerare.CrsTransformations.Coordinate
// All the below methods are alternatives for creating the same coordinate
// with the above latitude/longitude and coordinate reference system.
// No class or object is used for the methods below because of the following static import:
// using static Programmerare.CrsTransformations.Coordinate.CrsCoordinateFactory;
crsCoordinate = LatLon(latitude, longitude, epsgNumber);
crsCoordinate = LatLon(latitude, longitude, crsCode);
crsCoordinate = LatLon(latitude, longitude, crsIdentifier);
crsCoordinate = LonLat(longitude, latitude, epsgNumber);
crsCoordinate = LonLat(longitude, latitude, crsCode);
crsCoordinate = LonLat(longitude, latitude, crsIdentifier);
crsCoordinate = YX(latitude, longitude, epsgNumber);
crsCoordinate = YX(latitude, longitude, crsCode);
crsCoordinate = YX(latitude, longitude, crsIdentifier);
crsCoordinate = XY(longitude, latitude, epsgNumber);
crsCoordinate = XY(longitude, latitude, crsCode);
crsCoordinate = XY(longitude, latitude, crsIdentifier);
crsCoordinate = NorthingEasting(latitude, longitude, epsgNumber);
crsCoordinate = NorthingEasting(latitude, longitude, crsCode);
crsCoordinate = NorthingEasting(latitude, longitude, crsIdentifier);
crsCoordinate = EastingNorthing(longitude, latitude, epsgNumber);
crsCoordinate = EastingNorthing(longitude, latitude, crsCode);
crsCoordinate = EastingNorthing(longitude, latitude, crsIdentifier);
crsCoordinate = CreateFromYNorthingLatitudeAndXEastingLongitude(latitude, longitude, epsgNumber);
crsCoordinate = CreateFromYNorthingLatitudeAndXEastingLongitude(latitude, longitude, crsCode);
crsCoordinate = CreateFromYNorthingLatitudeAndXEastingLongitude(latitude, longitude, crsIdentifier);
crsCoordinate = CreateFromXEastingLongitudeAndYNorthingLatitude(longitude, latitude, epsgNumber);
crsCoordinate = CreateFromXEastingLongitudeAndYNorthingLatitude(longitude, latitude, crsCode);
crsCoordinate = CreateFromXEastingLongitudeAndYNorthingLatitude(longitude, latitude, crsIdentifier);
CrsIdentifier targetCrs = CrsIdentifierFactory.CreateFromEpsgNumber(3006);
CrsTransformationResult crsTransformationResult = crsTransformationAdapter.Transform(crsCoordinate, targetCrs);
// see more example code further down in this webpage
}
private void crsIdentifierCode()
{
// public factory methods:
crsIdentifier = CrsIdentifierFactory.CreateFromEpsgNumber(4326);
crsIdentifier = CrsIdentifierFactory.CreateFromCrsCode("EPSG:4326");
// public properties:
crsCode = crsIdentifier.CrsCode;
epsgNumber = crsIdentifier.EpsgNumber;
isEpsgCode = crsIdentifier.IsEpsgCode;
}
public void CrsIdentifierFactory_ShouldThrowException_WhenCrsCodeInputIsNull() {
ArgumentException exception = Assert.Throws<ArgumentNullException>(
() => {
CrsIdentifierFactory.CreateFromCrsCode(null); // should fail
}
, "Must not be null"
);
// F# code invoked above may throw exception like this:
// nullArg "crsCode"
// Resulting message: "Value cannot be null. Parameter name: crsCode"
AssertExceptionMessageWhenArgumentWasNullOrEmptyString(exception, "cannot be null");
}
public void CrsIdentifier_ShouldReturnEpsgNumberAndUppercasedEpsgPrefixedWhitespaceTrimmedCrsCodeAndBeConsideredAsEpsg_WhenCreatedFromLowecasedEpsgCodeWithSurroundingWhitespace() {
int inputEpsgNumber = 4326;
string inputCrsCode = " epsg:" + inputEpsgNumber + " ";
CrsIdentifier crsIdentifier = CrsIdentifierFactory.CreateFromCrsCode(inputCrsCode);
// the input should become trimmed and return string with uppercased "EPSG:" prefix
Assert.AreEqual(
GetCrsCodeIncludingUppercasedEpsgPrefix(inputEpsgNumber),
crsIdentifier.CrsCode
);
Assert.AreEqual(true, crsIdentifier.IsEpsgCode);
Assert.AreEqual(inputEpsgNumber, crsIdentifier.EpsgNumber);
}
public void crsIdentifier_shouldNotBeEqual_whenDifferentNonEpsgCrsCode() {
Assert.AreNotEqual(
CrsIdentifierFactory.CreateFromCrsCode("abc"),
CrsIdentifierFactory.CreateFromCrsCode("abd")
);
}
public void CrsIdentifier_ShouldNotBeEqual_WhenDifferentCrsCode() {
Assert.AreNotEqual(
CrsIdentifierFactory.CreateFromCrsCode("EPSG:987"),
CrsIdentifierFactory.CreateFromCrsCode("EPSG:986")
);
}
public void CrsIdentifier_ShouldReturnWhitespaceTrimmedCrsCodeAndNotBeConsideredAsEpsg_WhenCreatedFromNonEpsgString() {
CrsIdentifier crsIdentifier = CrsIdentifierFactory.CreateFromCrsCode(" abc ");
Assert.AreEqual("abc", crsIdentifier.CrsCode);
Assert.AreEqual(false, crsIdentifier.IsEpsgCode);
}
public void CrsIdentifiers_ShouldBeEqual_WhenCreatedFromEpsgNumberAndCorrespondingCrsCode() {
CrsIdentifier fromEpsgNumber = CrsIdentifierFactory.CreateFromEpsgNumber(3006);
CrsIdentifier fromCrsCode = CrsIdentifierFactory.CreateFromCrsCode(" epsg:3006 ");
Assert.AreEqual(fromEpsgNumber, fromCrsCode);
Assert.AreEqual(fromEpsgNumber.GetHashCode(), fromCrsCode.GetHashCode());
}