1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/type/type-check-defaults.rs b/src/test/ui/type/type-check-defaults.rs
new file mode 100644
index 000000000..6a0a7ed33
--- /dev/null
+++ b/src/test/ui/type/type-check-defaults.rs
@@ -0,0 +1,27 @@
+use std::iter::FromIterator;
+use std::vec::IntoIter;
+use std::ops::Add;
+
+struct Foo<T, U: FromIterator<T>>(T, U);
+struct WellFormed<Z = Foo<i32, i32>>(Z);
+//~^ ERROR a value of type `i32` cannot be built from an iterator over elements of type `i32`
+struct WellFormedNoBounds<Z:?Sized = Foo<i32, i32>>(Z);
+//~^ ERROR a value of type `i32` cannot be built from an iterator over elements of type `i32`
+
+struct Bounds<T:Copy=String>(T);
+//~^ ERROR the trait bound `String: Copy` is not satisfied [E0277]
+
+struct WhereClause<T=String>(T) where T: Copy;
+//~^ ERROR the trait bound `String: Copy` is not satisfied [E0277]
+
+trait TraitBound<T:Copy=String> {}
+//~^ ERROR the trait bound `String: Copy` is not satisfied [E0277]
+
+trait Super<T: Copy> { }
+trait Base<T = String>: Super<T> { }
+//~^ ERROR the trait bound `T: Copy` is not satisfied [E0277]
+
+trait ProjectionPred<T:Iterator = IntoIter<i32>> where T::Item : Add<u8> {}
+//~^ ERROR cannot add `u8` to `i32` [E0277]
+
+fn main() { }