diff --git a/app/src/test/kotlin/com/bitchat/android/nostr/NostrProtocolTest.kt b/app/src/test/kotlin/com/bitchat/android/nostr/NostrProtocolTest.kt
index a5bd956..544a29b 100644
--- a/app/src/test/kotlin/com/bitchat/android/nostr/NostrProtocolTest.kt
+++ b/app/src/test/kotlin/com/bitchat/android/nostr/NostrProtocolTest.kt
@@ -10,0 +11,21 @@ class NostrProtocolTest {
+    @Test
+    fun emitCrossPlatformFixtures() {
+        val sender = NostrIdentity.fromPrivateKey(
+            "0000000000000000000000000000000000000000000000000000000000000001"
+        )
+        val recipient = NostrIdentity.fromPrivateKey(
+            "0000000000000000000000000000000000000000000000000000000000000002"
+        )
+        val giftWrap = NostrProtocol.createPrivateMessage(
+            content = "legacy fixture from Android b7f0b33d",
+            recipientPubkey = recipient.publicKeyHex,
+            senderIdentity = sender
+        ).single()
+
+        assertEquals(NostrKind.GIFT_WRAP, giftWrap.kind)
+        assertEquals(listOf(listOf("p", recipient.publicKeyHex)), giftWrap.tags)
+        println("BITCHAT_FIXTURE_EVENT=${gson.toJson(giftWrap)}")
+        println("BITCHAT_FIXTURE_RECIPIENT_PRIVATE_KEY=${recipient.privateKeyHex}")
+        println("BITCHAT_FIXTURE_SENDER_PUBLIC_KEY=${sender.publicKeyHex}")
+    }
+
     @Test
     fun decryptPrivateMessage_acceptsAuthenticatedSeal() {
         val sender = NostrIdentity.generate()