diff --git a/packages/SettingsLib/tests/unit/Android.bp b/packages/SettingsLib/tests/unit/Android.bp
new file mode 100644
index 0000000..a4558f1
--- /dev/null
+++ b/packages/SettingsLib/tests/unit/Android.bp
@@ -0,0 +1,35 @@
+//
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package {
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+android_test {
+    name: "SettingsLibUnitTests",
+    test_suites: ["device-tests"],
+
+    srcs: [
+        "src/**/*.kt",
+    ],
+
+    static_libs: [
+        "SettingsLib",
+        "androidx.test.ext.junit",
+        "androidx.test.runner",
+        "truth-prebuilt",
+    ],
+}
diff --git a/packages/SettingsLib/tests/unit/AndroidManifest.xml b/packages/SettingsLib/tests/unit/AndroidManifest.xml
new file mode 100644
index 0000000..568f9cb
--- /dev/null
+++ b/packages/SettingsLib/tests/unit/AndroidManifest.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2023 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.android.settingslib.test">
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation
+        android:name="androidx.test.runner.AndroidJUnitRunner"
+        android:label="Tests for SettingsLib"
+        android:targetPackage="com.android.settingslib.test">
+    </instrumentation>
+</manifest>
diff --git a/packages/SettingsLib/tests/unit/OWNERS b/packages/SettingsLib/tests/unit/OWNERS
new file mode 100644
index 0000000..66559252
--- /dev/null
+++ b/packages/SettingsLib/tests/unit/OWNERS
@@ -0,0 +1,2 @@
+# We do not guard tests - everyone is welcomed to contribute to tests.
+per-file *.kt=*
diff --git a/packages/SettingsLib/tests/unit/src/com/android/settingslib/bluetooth/BluetoothLeBroadcastMetadataExtTest.kt b/packages/SettingsLib/tests/unit/src/com/android/settingslib/bluetooth/BluetoothLeBroadcastMetadataExtTest.kt
new file mode 100644
index 0000000..0e3590d
--- /dev/null
+++ b/packages/SettingsLib/tests/unit/src/com/android/settingslib/bluetooth/BluetoothLeBroadcastMetadataExtTest.kt
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settingslib.bluetooth
+
+import android.bluetooth.BluetoothAdapter
+import android.bluetooth.BluetoothDevice
+import android.bluetooth.BluetoothLeAudioCodecConfigMetadata
+import android.bluetooth.BluetoothLeAudioContentMetadata
+import android.bluetooth.BluetoothLeBroadcastChannel
+import android.bluetooth.BluetoothLeBroadcastMetadata
+import android.bluetooth.BluetoothLeBroadcastSubgroup
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settingslib.bluetooth.BluetoothLeBroadcastMetadataExt.toQrCodeString
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class BluetoothLeBroadcastMetadataExtTest {
+
+    @Test
+    fun toQrCodeString() {
+        val subgroup = BluetoothLeBroadcastSubgroup.Builder().apply {
+            setCodecId(100)
+            val audioCodecConfigMetadata = BluetoothLeAudioCodecConfigMetadata.Builder().build()
+            setCodecSpecificConfig(audioCodecConfigMetadata)
+            setContentMetadata(BluetoothLeAudioContentMetadata.Builder().build())
+            addChannel(BluetoothLeBroadcastChannel.Builder().apply {
+                setChannelIndex(1000)
+                setCodecMetadata(audioCodecConfigMetadata)
+            }.build())
+        }.build()
+
+        val metadata = BluetoothLeBroadcastMetadata.Builder().apply {
+            setSourceDevice(Device, 0)
+            setSourceAdvertisingSid(1)
+            setBroadcastId(2)
+            setPaSyncInterval(3)
+            setEncrypted(true)
+            setBroadcastCode(byteArrayOf(10, 11, 12, 13))
+            setPresentationDelayMicros(4)
+            addSubgroup(subgroup)
+        }.build()
+
+        val qrCodeString = metadata.toQrCodeString()
+
+        assertThat(qrCodeString).isEqualTo(QR_CODE_STRING)
+    }
+
+    @Test
+    fun decodeAndEncodeAgain_sameString() {
+        val metadata = BluetoothLeBroadcastMetadataExt.convertToBroadcastMetadata(QR_CODE_STRING)!!
+
+        val qrCodeString = metadata.toQrCodeString()
+
+        assertThat(qrCodeString).isEqualTo(QR_CODE_STRING)
+    }
+
+    private companion object {
+        const val TEST_DEVICE_ADDRESS = "00:A1:A1:A1:A1:A1"
+
+        val Device: BluetoothDevice =
+            BluetoothAdapter.getDefaultAdapter().getRemoteDevice(TEST_DEVICE_ADDRESS)
+
+        const val QR_CODE_STRING =
+            "BT:BluetoothLeBroadcastMetadata:AAAAAAEAAAABAAAAEQAAADAAMAA6AEEAMQA6AEEAMQA6AEEAMQA6" +
+                "AEEAMQA6AEEAMQAAAAAAAAABAAAAAgAAAAMAAAABAAAABAAAAAQAAAAKCwwNBAAAAAEAAAABAAAAZAAA" +
+                "AAAAAAABAAAAAAAAAAAAAAAGAAAABgAAAAUDAAAAAAAAAAAAAAAAAAAAAAAAAQAAAP//////////AAAA" +
+                "AAAAAAABAAAAAQAAAAAAAADoAwAAAQAAAAAAAAAAAAAABgAAAAYAAAAFAwAAAAAAAAAAAAAAAAAAAAAA" +
+                "AAAAAAD/////AAAAAAAAAAA="
+    }
+}
\ No newline at end of file