tests: Move run-pass tests without naming conflicts to ui

6 files changed, 177 insertions, 0 deletions

diff --git a/src/test/ui/chalkify/builtin-copy-clone.rs b/src/test/ui/chalkify/builtin-copy-clone.rs
new file mode 100644
index 00000000000..d403514b553
--- /dev/null
+++ b/src/test/ui/chalkify/builtin-copy-clone.rs
@@ -0,0 +1,44 @@
+// run-pass
+// compile-flags: -Z chalk
+
+// Test that `Clone` is correctly implemented for builtin types.
+
+#[derive(Copy, Clone)]
+struct S(i32);
+
+fn test_clone<T: Clone>(arg: T) {
+    let _ = arg.clone();
+}
+
+fn test_copy<T: Copy>(arg: T) {
+    let _ = arg;
+    let _ = arg;
+}
+
+fn test_copy_clone<T: Copy + Clone>(arg: T) {
+    test_copy(arg);
+    test_clone(arg);
+}
+
+fn foo() { }
+
+fn main() {
+    test_copy_clone(foo);
+    let f: fn() = foo;
+    test_copy_clone(f);
+    // FIXME: add closures when they're considered WF
+    test_copy_clone([1; 56]);
+    test_copy_clone((1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1));
+    test_copy_clone((1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, true, 'a', 1.1));
+    test_copy_clone(());
+    test_copy_clone(((1, 1), (1, 1, 1), (1.1, 1, 1, 'a'), ()));
+
+    let a = (
+        (S(1), S(0)),
+        (
+            (S(0), S(0), S(1)),
+            S(0)
+        )
+    );
+    test_copy_clone(a);
+}
diff --git a/src/test/ui/chalkify/inherent_impl.rs b/src/test/ui/chalkify/inherent_impl.rs
new file mode 100644
index 00000000000..44e120c1eeb
--- /dev/null
+++ b/src/test/ui/chalkify/inherent_impl.rs
@@ -0,0 +1,42 @@
+// run-pass
+// compile-flags: -Z chalk
+
+trait Foo { }
+
+impl Foo for i32 { }
+
+struct S<T: Foo> {
+    x: T,
+}
+
+fn only_foo<T: Foo>(_x: &T) { }
+
+impl<T> S<T> {
+    // Test that we have the correct environment inside an inherent method.
+    fn dummy_foo(&self) {
+        only_foo(&self.x)
+    }
+}
+
+trait Bar { }
+impl Bar for u32 { }
+
+fn only_bar<T: Bar>() { }
+
+impl<T> S<T> {
+    // Test that the environment of `dummy_bar` adds up with the environment
+    // of the inherent impl.
+    fn dummy_bar<U: Bar>(&self) {
+        only_foo(&self.x);
+        only_bar::<U>();
+    }
+}
+
+fn main() {
+    let s = S {
+        x: 5,
+    };
+
+    s.dummy_foo();
+    s.dummy_bar::<u32>();
+}
diff --git a/src/test/ui/chalkify/projection.rs b/src/test/ui/chalkify/projection.rs
new file mode 100644
index 00000000000..d6a8dd7a4a2
--- /dev/null
+++ b/src/test/ui/chalkify/projection.rs
@@ -0,0 +1,25 @@
+// run-pass
+// compile-flags: -Z chalk
+
+trait Foo { }
+
+trait Bar {
+    type Item: Foo;
+}
+
+impl Foo for i32 { }
+impl Bar for i32 {
+    type Item = i32;
+}
+
+fn only_foo<T: Foo>() { }
+
+fn only_bar<T: Bar>() {
+    // `T` implements `Bar` hence `<T as Bar>::Item` must also implement `Bar`
+    only_foo::<T::Item>()
+}
+
+fn main() {
+    only_bar::<i32>();
+    only_foo::<<i32 as Bar>::Item>();
+}
diff --git a/src/test/ui/chalkify/super_trait.rs b/src/test/ui/chalkify/super_trait.rs
new file mode 100644
index 00000000000..eeff9fd9b80
--- /dev/null
+++ b/src/test/ui/chalkify/super_trait.rs
@@ -0,0 +1,19 @@
+// run-pass
+// compile-flags: -Z chalk
+
+trait Foo { }
+trait Bar: Foo { }
+
+impl Foo for i32 { }
+impl Bar for i32 { }
+
+fn only_foo<T: Foo>() { }
+
+fn only_bar<T: Bar>() {
+    // `T` implements `Bar` hence `T` must also implement `Foo`
+    only_foo::<T>()
+}
+
+fn main() {
+    only_bar::<i32>()
+}
diff --git a/src/test/ui/chalkify/trait_implied_bound.rs b/src/test/ui/chalkify/trait_implied_bound.rs
new file mode 100644
index 00000000000..8a2e1cf5990
--- /dev/null
+++ b/src/test/ui/chalkify/trait_implied_bound.rs
@@ -0,0 +1,18 @@
+// run-pass
+// compile-flags: -Z chalk
+
+trait Foo { }
+trait Bar<U> where U: Foo { }
+
+impl Foo for i32 { }
+impl Bar<i32> for i32 { }
+
+fn only_foo<T: Foo>() { }
+
+fn only_bar<U, T: Bar<U>>() {
+    only_foo::<U>()
+}
+
+fn main() {
+    only_bar::<i32, i32>()
+}
diff --git a/src/test/ui/chalkify/type_implied_bound.rs b/src/test/ui/chalkify/type_implied_bound.rs
new file mode 100644
index 00000000000..8673f5319bd
--- /dev/null
+++ b/src/test/ui/chalkify/type_implied_bound.rs
@@ -0,0 +1,29 @@
+// run-pass
+// compile-flags: -Z chalk
+
+trait Eq { }
+trait Hash: Eq { }
+
+impl Eq for i32 { }
+impl Hash for i32 { }
+
+struct Set<T: Hash> {
+    _x: T,
+}
+
+fn only_eq<T: Eq>() { }
+
+fn take_a_set<T>(_: &Set<T>) {
+    // `Set<T>` is an input type of `take_a_set`, hence we know that
+    // `T` must implement `Hash`, and we know in turn that `T` must
+    // implement `Eq`.
+    only_eq::<T>()
+}
+
+fn main() {
+    let set = Set {
+        _x: 5,
+    };
+
+    take_a_set(&set);
+}