Add ui test of nonconst construction

dtolnay · Nov 10, 2021 · 8291011 · 8291011
1 parent b499293
commit 8291011
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diff --git a/tests/ui/submit-nonconst.rs b/tests/ui/submit-nonconst.rs
@@ -0,0 +1,13 @@
+struct Thing;
+
+impl Thing {
+    fn new() -> Self {
+        Thing
+    }
+}
+
+inventory::collect!(Thing);
+
+inventory::submit!(Thing::new());
+
+fn main() {}
diff --git a/tests/ui/submit-nonconst.stderr b/tests/ui/submit-nonconst.stderr
@@ -0,0 +1,5 @@
+error[E0015]: calls in statics are limited to constant functions, tuple structs and tuple variants
+  --> tests/ui/submit-nonconst.rs:11:20
+   |
+11 | inventory::submit!(Thing::new());
+   |                    ^^^^^^^^^^^^