1 files changed, 155 insertions, 0 deletions
diff --git a/tests/ui/namespace/namespace-mix.rs b/tests/ui/namespace/namespace-mix.rs
new file mode 100644
index 00000000000..c5b30f148bd
--- /dev/null
+++ b/tests/ui/namespace/namespace-mix.rs
@@ -0,0 +1,155 @@
+// aux-build:namespace-mix.rs
+
+extern crate namespace_mix;
+use namespace_mix::*;
+
+mod c {
+    pub struct S {}
+    pub struct TS();
+    pub struct US;
+    pub enum E {
+        V {},
+        TV(),
+        UV,
+    }
+
+    pub struct Item;
+}
+
+// Use something emitting the type argument name, e.g., unsatisfied bound.
+trait Impossible {}
+fn check<T: Impossible>(_: T) {}
+
+mod m1 {
+    pub use ::c::*;
+    pub type S = ::c::Item;
+}
+mod m2 {
+    pub use ::c::*;
+    pub const S: ::c::Item = ::c::Item;
+}
+
+fn f12() {
+    check(m1::S{}); //~ ERROR c::Item
+    check(m1::S); //~ ERROR expected value, found type alias `m1::S`
+    check(m2::S{}); //~ ERROR c::S
+    check(m2::S); //~ ERROR c::Item
+}
+fn xf12() {
+    check(xm1::S{}); //~ ERROR c::Item
+    check(xm1::S); //~ ERROR expected value, found type alias `xm1::S`
+    check(xm2::S{}); //~ ERROR c::S
+    check(xm2::S); //~ ERROR c::Item
+}
+
+mod m3 {
+    pub use ::c::*;
+    pub type TS = ::c::Item;
+}
+mod m4 {
+    pub use ::c::*;
+    pub const TS: ::c::Item = ::c::Item;
+}
+
+fn f34() {
+    check(m3::TS{}); //~ ERROR c::Item
+    check(m3::TS); //~ ERROR c::TS
+    check(m4::TS{}); //~ ERROR c::TS
+    check(m4::TS); //~ ERROR c::Item
+}
+fn xf34() {
+    check(xm3::TS{}); //~ ERROR c::Item
+    check(xm3::TS); //~ ERROR c::TS
+    check(xm4::TS{}); //~ ERROR c::TS
+    check(xm4::TS); //~ ERROR c::Item
+}
+
+mod m5 {
+    pub use ::c::*;
+    pub type US = ::c::Item;
+}
+mod m6 {
+    pub use ::c::*;
+    pub const US: ::c::Item = ::c::Item;
+}
+
+fn f56() {
+    check(m5::US{}); //~ ERROR c::Item
+    check(m5::US); //~ ERROR c::US
+    check(m6::US{}); //~ ERROR c::US
+    check(m6::US); //~ ERROR c::Item
+}
+fn xf56() {
+    check(xm5::US{}); //~ ERROR c::Item
+    check(xm5::US); //~ ERROR c::US
+    check(xm6::US{}); //~ ERROR c::US
+    check(xm6::US); //~ ERROR c::Item
+}
+
+mod m7 {
+    pub use ::c::E::*;
+    pub type V = ::c::Item;
+}
+mod m8 {
+    pub use ::c::E::*;
+    pub const V: ::c::Item = ::c::Item;
+}
+
+fn f78() {
+    check(m7::V{}); //~ ERROR c::Item
+    check(m7::V); //~ ERROR expected value, found type alias `m7::V`
+    check(m8::V{}); //~ ERROR c::E
+    check(m8::V); //~ ERROR c::Item
+}
+fn xf78() {
+    check(xm7::V{}); //~ ERROR c::Item
+    check(xm7::V); //~ ERROR expected value, found type alias `xm7::V`
+    check(xm8::V{}); //~ ERROR c::E
+    check(xm8::V); //~ ERROR c::Item
+}
+
+mod m9 {
+    pub use ::c::E::*;
+    pub type TV = ::c::Item;
+}
+mod mA {
+    pub use ::c::E::*;
+    pub const TV: ::c::Item = ::c::Item;
+}
+
+fn f9A() {
+    check(m9::TV{}); //~ ERROR c::Item
+    check(m9::TV); //~ ERROR c::E
+    check(mA::TV{}); //~ ERROR c::E
+    check(mA::TV); //~ ERROR c::Item
+}
+fn xf9A() {
+    check(xm9::TV{}); //~ ERROR c::Item
+    check(xm9::TV); //~ ERROR c::E
+    check(xmA::TV{}); //~ ERROR c::E
+    check(xmA::TV); //~ ERROR c::Item
+}
+
+mod mB {
+    pub use ::c::E::*;
+    pub type UV = ::c::Item;
+}
+mod mC {
+    pub use ::c::E::*;
+    pub const UV: ::c::Item = ::c::Item;
+}
+
+fn fBC() {
+    check(mB::UV{}); //~ ERROR c::Item
+    check(mB::UV); //~ ERROR c::E
+    check(mC::UV{}); //~ ERROR c::E
+    check(mC::UV); //~ ERROR c::Item
+}
+fn xfBC() {
+    check(xmB::UV{}); //~ ERROR c::Item
+    check(xmB::UV); //~ ERROR c::E
+    check(xmC::UV{}); //~ ERROR c::E
+    check(xmC::UV); //~ ERROR c::Item
+}
+
+fn main() {}