Move /src/test to /tests

tests/ui/parser/self-param-semantic-fail.rs

@@ -0,0 +1,64 @@
+// This test ensures that `self` is semantically rejected
+// in contexts with `FnDecl` but outside of associated `fn`s.
+// FIXME(Centril): For now closures are an exception.
+
+fn main() {}
+
+fn free() {
+    fn f1(self) {}
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f2(mut self) {}
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f3(&self) {}
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f4(&mut self) {}
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f5<'a>(&'a self) {}
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f6<'a>(&'a mut self) {}
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f7(self: u8) {}
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f8(mut self: u8) {}
+    //~^ ERROR `self` parameter is only allowed in associated functions
+}
+
+extern "C" {
+    fn f1(self);
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f2(mut self);
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    //~| ERROR patterns aren't allowed in
+    fn f3(&self);
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f4(&mut self);
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f5<'a>(&'a self);
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f6<'a>(&'a mut self);
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f7(self: u8);
+    //~^ ERROR `self` parameter is only allowed in associated functions
+    fn f8(mut self: u8);
+//~^ ERROR `self` parameter is only allowed in associated functions
+//~| ERROR patterns aren't allowed in
+}
+
+type X1 = fn(self);
+//~^ ERROR `self` parameter is only allowed in associated functions
+type X2 = fn(mut self);
+//~^ ERROR `self` parameter is only allowed in associated functions
+//~| ERROR patterns aren't allowed in
+type X3 = fn(&self);
+//~^ ERROR `self` parameter is only allowed in associated functions
+type X4 = fn(&mut self);
+//~^ ERROR `self` parameter is only allowed in associated functions
+type X5 = for<'a> fn(&'a self);
+//~^ ERROR `self` parameter is only allowed in associated functions
+type X6 = for<'a> fn(&'a mut self);
+//~^ ERROR `self` parameter is only allowed in associated functions
+type X7 = fn(self: u8);
+//~^ ERROR `self` parameter is only allowed in associated functions
+type X8 = fn(mut self: u8);
+//~^ ERROR `self` parameter is only allowed in associated functions
+//~| ERROR patterns aren't allowed in