1 files changed, 19 insertions, 3 deletions
diff --git a/okio/src/appleTest/kotlin/okio/AppleByteStringTest.kt b/okio/src/appleTest/kotlin/okio/AppleByteStringTest.kt
index 5ff03b21..0e600e06 100644
--- a/okio/src/appleTest/kotlin/okio/AppleByteStringTest.kt
+++ b/okio/src/appleTest/kotlin/okio/AppleByteStringTest.kt
@@ -15,17 +15,33 @@
  */
 package okio
 
+import kotlin.test.Test
+import kotlin.test.assertEquals
 import platform.Foundation.NSData
 import platform.Foundation.NSString
 import platform.Foundation.NSUTF8StringEncoding
 import platform.Foundation.dataUsingEncoding
-import kotlin.test.Test
-import kotlin.test.assertEquals
 
 class AppleByteStringTest {
   @Test fun nsDataToByteString() {
     val data = ("Hello" as NSString).dataUsingEncoding(NSUTF8StringEncoding) as NSData
-    val byteString = data.toByteString()
+
+    @Suppress("DEPRECATION") // Ensure deprecated function continues to work.
+    val byteStringDeprecated = data.toByteString()
+    assertEquals("Hello", byteStringDeprecated.utf8())
+
+    val byteString = with(ByteString) { data.toByteString() }
     assertEquals("Hello", byteString.utf8())
   }
+
+  @Test fun emptyNsDataToByteString() {
+    val data = ("" as NSString).dataUsingEncoding(NSUTF8StringEncoding) as NSData
+
+    @Suppress("DEPRECATION") // Ensure deprecated function continues to work.
+    val byteStringDeprecated = data.toByteString()
+    assertEquals(ByteString.EMPTY, byteStringDeprecated)
+
+    val byteString = with(ByteString) { data.toByteString() }
+    assertEquals(ByteString.EMPTY, byteString)
+  }
 }