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-rw-r--r--tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs41
1 files changed, 41 insertions, 0 deletions
diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs b/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs
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index 000000000..f846bfa41
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+++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs
@@ -0,0 +1,41 @@
+// check-pass
+
+#![feature(inherent_associated_types)]
+#![allow(incomplete_features)]
+
+// Check that inherent associated types are dispatched on the concrete Self type.
+
+struct Select<T>(T);
+
+impl Select<u8> {
+ type Projection = ();
+}
+
+impl Select<String> {
+ type Projection = bool;
+}
+
+struct Choose<T>(T);
+struct NonCopy;
+
+impl<T: Copy> Choose<T> {
+ type Result = Vec<T>;
+}
+
+impl Choose<NonCopy> {
+ type Result = ();
+}
+
+fn main() {
+ let _: Select<String>::Projection = false;
+ let _: Select<u8>::Projection = ();
+
+ let _: Choose<NonCopy>::Result = ();
+ let _: Choose<bool>::Result = vec![true];
+}
+
+// Test if we use the correct `ParamEnv` when proving obligations.
+
+pub fn parameterized<T: Copy>(x: T) {
+ let _: Choose<T>::Result = vec![x];
+}