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-rw-r--r--src/test/ui/empty/empty-struct-tuple-pat.rs37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/empty/empty-struct-tuple-pat.rs b/src/test/ui/empty/empty-struct-tuple-pat.rs
new file mode 100644
index 000000000..47da8a306
--- /dev/null
+++ b/src/test/ui/empty/empty-struct-tuple-pat.rs
@@ -0,0 +1,37 @@
+// Can't use unit struct as enum pattern
+
+// aux-build:empty-struct.rs
+
+extern crate empty_struct;
+use empty_struct::*;
+
+struct Empty2();
+
+enum E {
+ Empty4()
+}
+
+// remove attribute after warning cycle and promoting warnings to errors
+fn main() {
+ let e2 = Empty2();
+ let e4 = E::Empty4();
+ let xe6 = XEmpty6();
+ let xe5 = XE::XEmpty5();
+
+ match e2 {
+ Empty2 => () //~ ERROR match bindings cannot shadow tuple structs
+ }
+ match xe6 {
+ XEmpty6 => () //~ ERROR match bindings cannot shadow tuple structs
+ }
+
+ match e4 {
+ E::Empty4 => ()
+ //~^ ERROR expected unit struct, unit variant or constant, found tuple variant `E::Empty4`
+ }
+ match xe5 {
+ XE::XEmpty5 => (),
+ //~^ ERROR expected unit struct, unit variant or constant, found tuple variant `XE::XEmpty5`
+ _ => {},
+ }
+}