1 files changed, 34 insertions, 0 deletions
diff --git a/macros/src/tests/single.rs b/macros/src/tests/single.rs
new file mode 100644
index 00000000..97cbbb3f
--- /dev/null
+++ b/macros/src/tests/single.rs
@@ -0,0 +1,34 @@
+use quote::quote;
+use rtic_syntax::Settings;
+
+#[test]
+fn analyze() {
+    let mut settings = Settings::default();
+    settings.parse_extern_interrupt = true;
+    let (app, analysis) = rtic_syntax::parse2(
+        quote!(device = pac),
+        quote!(
+            mod app {
+                #[task(priority = 1)]
+                fn a(_: a::Context) {}
+
+                #[task(priority = 2)]
+                fn b(_: b::Context) {}
+
+                // First interrupt is assigned to the highest priority dispatcher
+                extern "C" {
+                    fn B();
+                    fn A();
+                }
+            }
+        ),
+        settings,
+    )
+    .unwrap();
+
+    let analysis = crate::analyze::app(analysis, &app);
+    let interrupts = &analysis.interrupts;
+    assert_eq!(interrupts.len(), 2);
+    assert_eq!(interrupts[&2].to_string(), "B");
+    assert_eq!(interrupts[&1].to_string(), "A");
+}