Add another unit test and bump minor version

Author: simlay

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "coreaudio-rs"
-version = "0.11.2"
+version = "0.11.3"
 authors = ["mitchmindtree <mitchell.nordine@gmail.com>", "yupferris <jake@fusetools.com>"]
 description = "A friendly rust interface for Apple's CoreAudio API."
 keywords = ["core", "audio", "unit", "osx", "ios"]

src/audio_unit/macos_helpers.rs

@@ -178,6 +178,22 @@ fn test_get_audio_device_ids() {
     let _ = get_audio_device_ids().expect("Failed to get audio device ids");
 }
 
+#[test]
+fn test_get_audio_device_ids_for_scope() {
+    for scope in &[
+        Scope::Global,
+        Scope::Input,
+        Scope::Output,
+        Scope::Group,
+        Scope::Part,
+        Scope::Note,
+        Scope::Layer,
+        Scope::LayerItem,
+    ] {
+        let _ = get_audio_device_ids_for_scope(*scope).expect("Failed to get audio device ids");
+    }
+}
+
 /// does this device support input / ouptut?
 pub fn get_audio_device_supports_scope(devid: AudioDeviceID, scope: Scope) -> Result<bool, Error> {
     let dev_scope: AudioObjectPropertyScope = match scope {