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error handling

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This commit is contained in:
patrick-zippenfenig 2022-08-06 20:59:49 +02:00
parent f58408cb4e
commit 025a4e71a7
2 changed files with 4 additions and 6 deletions
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8
Sources/SwiftTimeZoneLookup/SwiftTimeZoneLookup.swift
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@ -13,21 +13,17 @@ public final class SwiftTimeZoneLookup {
guard let timezone21 = Bundle.module.url(forResource: "timezone21", withExtension: "bin") else {
throw SwiftTimeZoneLookupError.couldNotFindTimezone21bin
}
guard let database = timezone21.withUnsafeFileSystemRepresentation({ timezone21 in
ZDOpenDatabase(timezone21)
}) else {
throw SwiftTimeZoneLookupError.couldNotOpenDatabase
}
self.database = database
print(timezone21)
}
public func lookup(latitude: Float, longitude: Float) -> String {
public func lookup(latitude: Float, longitude: Float) -> String? {
guard let cTimezone = ZDHelperSimpleLookupString(database, latitude, longitude) else {
fatalError()
return nil
}
let timezone = String(cString: cTimezone)
ZDHelperSimpleLookupStringFree(cTimezone)

2
Tests/SwiftTimeZoneLookupTests/SwiftTimeZoneLookupTests.swift
View file

@ -8,5 +8,7 @@ final class SwiftTimeZoneLookupTests: XCTestCase {
XCTAssertEqual(database.lookup(latitude: 47.5, longitude: -2.6), "Europe/Paris")
XCTAssertEqual(database.lookup(latitude: 47.5, longitude: -8.6), "Etc/GMT+1")
XCTAssertEqual(database.lookup(latitude: 42.5, longitude: -8.6), "Europe/Madrid")
XCTAssertEqual(database.lookup(latitude: 242.5, longitude: -8.6), nil)
}
}