From 9be35f82c1abf2ecbab489bca9eca138ea648312 Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Sat, 27 Jul 2019 01:33:01 +0300
Subject: tests: Move run-pass tests without naming conflicts to ui

---
 .../defaultimpl/allowed-cross-crate.rs             | 26 +++++++++++++
 .../defaultimpl/auxiliary/go_trait.rs              | 43 ++++++++++++++++++++++
 .../ui/specialization/defaultimpl/out-of-order.rs  | 19 ++++++++++
 .../defaultimpl/overlap-projection.rs              | 25 +++++++++++++
 .../ui/specialization/defaultimpl/projection.rs    | 42 +++++++++++++++++++++
 5 files changed, 155 insertions(+)
 create mode 100644 src/test/ui/specialization/defaultimpl/allowed-cross-crate.rs
 create mode 100644 src/test/ui/specialization/defaultimpl/auxiliary/go_trait.rs
 create mode 100644 src/test/ui/specialization/defaultimpl/out-of-order.rs
 create mode 100644 src/test/ui/specialization/defaultimpl/overlap-projection.rs
 create mode 100644 src/test/ui/specialization/defaultimpl/projection.rs

(limited to 'src/test/ui/specialization/defaultimpl')

diff --git a/src/test/ui/specialization/defaultimpl/allowed-cross-crate.rs b/src/test/ui/specialization/defaultimpl/allowed-cross-crate.rs
new file mode 100644
index 00000000000..15550bcce2a
--- /dev/null
+++ b/src/test/ui/specialization/defaultimpl/allowed-cross-crate.rs
@@ -0,0 +1,26 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(unused_variables)]
+#![allow(unused_imports)]
+
+// aux-build:go_trait.rs
+
+#![feature(specialization)]
+
+extern crate go_trait;
+
+use go_trait::{Go,GoMut};
+use std::fmt::Debug;
+use std::default::Default;
+
+struct MyThingy;
+
+impl Go for MyThingy {
+    fn go(&self, arg: isize) { }
+}
+
+impl GoMut for MyThingy {
+    fn go_mut(&mut self, arg: isize) { }
+}
+
+fn main() { }
diff --git a/src/test/ui/specialization/defaultimpl/auxiliary/go_trait.rs b/src/test/ui/specialization/defaultimpl/auxiliary/go_trait.rs
new file mode 100644
index 00000000000..c065593b432
--- /dev/null
+++ b/src/test/ui/specialization/defaultimpl/auxiliary/go_trait.rs
@@ -0,0 +1,43 @@
+#![feature(specialization)]
+
+// Common code used for tests that model the Fn/FnMut/FnOnce hierarchy.
+
+pub trait Go {
+    fn go(&self, arg: isize);
+}
+
+pub fn go<G:Go>(this: &G, arg: isize) {
+    this.go(arg)
+}
+
+pub trait GoMut {
+    fn go_mut(&mut self, arg: isize);
+}
+
+pub fn go_mut<G:GoMut>(this: &mut G, arg: isize) {
+    this.go_mut(arg)
+}
+
+pub trait GoOnce {
+    fn go_once(self, arg: isize);
+}
+
+pub fn go_once<G:GoOnce>(this: G, arg: isize) {
+    this.go_once(arg)
+}
+
+default impl<G> GoMut for G
+    where G : Go
+{
+    fn go_mut(&mut self, arg: isize) {
+        go(&*self, arg)
+    }
+}
+
+default impl<G> GoOnce for G
+    where G : GoMut
+{
+    fn go_once(mut self, arg: isize) {
+        go_mut(&mut self, arg)
+    }
+}
diff --git a/src/test/ui/specialization/defaultimpl/out-of-order.rs b/src/test/ui/specialization/defaultimpl/out-of-order.rs
new file mode 100644
index 00000000000..f9c73a19cfa
--- /dev/null
+++ b/src/test/ui/specialization/defaultimpl/out-of-order.rs
@@ -0,0 +1,19 @@
+// run-pass
+
+// Test that you can list the more specific impl before the more general one.
+
+#![feature(specialization)]
+
+trait Foo {
+    type Out;
+}
+
+impl Foo for bool {
+    type Out = ();
+}
+
+default impl<T> Foo for T {
+    type Out = bool;
+}
+
+fn main() {}
diff --git a/src/test/ui/specialization/defaultimpl/overlap-projection.rs b/src/test/ui/specialization/defaultimpl/overlap-projection.rs
new file mode 100644
index 00000000000..ed38bb3fc3a
--- /dev/null
+++ b/src/test/ui/specialization/defaultimpl/overlap-projection.rs
@@ -0,0 +1,25 @@
+// run-pass
+
+// Test that impls on projected self types can resolve overlap, even when the
+// projections involve specialization, so long as the associated type is
+// provided by the most specialized impl.
+
+#![feature(specialization)]
+
+trait Assoc {
+    type Output;
+}
+
+default impl<T> Assoc for T {
+    type Output = bool;
+}
+
+impl Assoc for u8 { type Output = u8; }
+impl Assoc for u16 { type Output = u16; }
+
+trait Foo {}
+impl Foo for u32 {}
+impl Foo for <u8 as Assoc>::Output {}
+impl Foo for <u16 as Assoc>::Output {}
+
+fn main() {}
diff --git a/src/test/ui/specialization/defaultimpl/projection.rs b/src/test/ui/specialization/defaultimpl/projection.rs
new file mode 100644
index 00000000000..897a7aade2f
--- /dev/null
+++ b/src/test/ui/specialization/defaultimpl/projection.rs
@@ -0,0 +1,42 @@
+// run-pass
+#![allow(dead_code)]
+
+#![feature(specialization)]
+
+// Make sure we *can* project non-defaulted associated types
+// cf compile-fail/specialization-default-projection.rs
+
+// First, do so without any use of specialization
+
+trait Foo {
+    type Assoc;
+}
+
+impl<T> Foo for T {
+    type Assoc = ();
+}
+
+fn generic_foo<T>() -> <T as Foo>::Assoc {
+    ()
+}
+
+// Next, allow for one layer of specialization
+
+trait Bar {
+    type Assoc;
+}
+
+default impl<T> Bar for T {
+    type Assoc = ();
+}
+
+impl<T: Clone> Bar for T {
+    type Assoc = u8;
+}
+
+fn generic_bar_clone<T: Clone>() -> <T as Bar>::Assoc {
+    0u8
+}
+
+fn main() {
+}
-- 
cgit 1.4.1-3-g733a5