1 files changed, 94 insertions, 0 deletions
diff --git a/src/test/ui/structs-enums/class-cast-to-trait-multiple-types.rs b/src/test/ui/structs-enums/class-cast-to-trait-multiple-types.rs
new file mode 100644
index 000000000..ca35a615d
--- /dev/null
+++ b/src/test/ui/structs-enums/class-cast-to-trait-multiple-types.rs
@@ -0,0 +1,94 @@
+// run-pass
+#![allow(non_camel_case_types)]
+#![allow(dead_code)]
+
+trait noisy {
+  fn speak(&mut self) -> isize;
+}
+
+struct dog {
+  barks: usize,
+
+  volume: isize,
+}
+
+impl dog {
+    fn bark(&mut self) -> isize {
+      println!("Woof {} {}", self.barks, self.volume);
+      self.barks += 1_usize;
+      if self.barks % 3_usize == 0_usize {
+          self.volume += 1;
+      }
+      if self.barks % 10_usize == 0_usize {
+          self.volume -= 2;
+      }
+      println!("Grrr {} {}", self.barks, self.volume);
+      self.volume
+    }
+}
+
+impl noisy for dog {
+    fn speak(&mut self) -> isize {
+        self.bark()
+    }
+}
+
+fn dog() -> dog {
+    dog {
+        volume: 0,
+        barks: 0_usize
+    }
+}
+
+#[derive(Clone)]
+struct cat {
+  meows: usize,
+
+  how_hungry: isize,
+  name: String,
+}
+
+impl noisy for cat {
+    fn speak(&mut self) -> isize {
+        self.meow() as isize
+    }
+}
+
+impl cat {
+    pub fn meow_count(&self) -> usize {
+        self.meows
+    }
+}
+
+impl cat {
+    fn meow(&mut self) -> usize {
+        println!("Meow");
+        self.meows += 1_usize;
+        if self.meows % 5_usize == 0_usize {
+            self.how_hungry += 1;
+        }
+        self.meows
+    }
+}
+
+fn cat(in_x: usize, in_y: isize, in_name: String) -> cat {
+    cat {
+        meows: in_x,
+        how_hungry: in_y,
+        name: in_name
+    }
+}
+
+
+fn annoy_neighbors(critter: &mut dyn noisy) {
+    for _i in 0_usize..10 { critter.speak(); }
+}
+
+pub fn main() {
+  let mut nyan: cat = cat(0_usize, 2, "nyan".to_string());
+  let mut whitefang: dog = dog();
+  annoy_neighbors(&mut nyan);
+  annoy_neighbors(&mut whitefang);
+  assert_eq!(nyan.meow_count(), 10_usize);
+  assert_eq!(whitefang.volume, 1);
+}