1 files changed, 26 insertions, 0 deletions
diff --git a/platform/ios/test/MGLNSDateAdditionsTests.mm b/platform/ios/test/MGLNSDateAdditionsTests.mm
new file mode 100644
index 0000000000..474fe763ff
--- /dev/null
+++ b/platform/ios/test/MGLNSDateAdditionsTests.mm
@@ -0,0 +1,26 @@
+#import <XCTest/XCTest.h>
+
+#include <mbgl/util/chrono.hpp>
+#import "../../darwin/src/NSDate+MGLAdditions.h"
+
+using namespace std::chrono_literals;
+
+@interface MGLNSDateAdditionsTests : XCTestCase
+@end
+
+@implementation MGLNSDateAdditionsTests
+
+- (void)testDurationToNSTimeInterval {
+    
+    NSTimeInterval timeInterval = 5;
+    mbgl::Duration duration = MGLDurationFromTimeInterval(timeInterval);
+    NSTimeInterval durationTimeInterval = MGLTimeIntervalFromDuration(duration);
+    
+    mbgl::Duration expectedDuration = 5s;
+    
+    XCTAssertEqual(timeInterval, durationTimeInterval);
+    XCTAssertEqual(timeInterval, MGLTimeIntervalFromDuration(expectedDuration));
+    
+}
+
+@end