1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/assign-assign.rs b/src/test/ui/assign-assign.rs
new file mode 100644
index 000000000..bcf506b39
--- /dev/null
+++ b/src/test/ui/assign-assign.rs
@@ -0,0 +1,30 @@
+// run-pass
+// Issue 483 - Assignment expressions result in nil
+
+fn test_assign() {
+    let mut x: isize;
+    let y: () = x = 10;
+    assert_eq!(x, 10);
+    assert_eq!(y, ());
+    let mut z = x = 11;
+    assert_eq!(x, 11);
+    assert_eq!(z, ());
+    z = x = 12;
+    assert_eq!(x, 12);
+    assert_eq!(z, ());
+}
+
+fn test_assign_op() {
+    let mut x: isize = 0;
+    let y: () = x += 10;
+    assert_eq!(x, 10);
+    assert_eq!(y, ());
+    let mut z = x += 11;
+    assert_eq!(x, 21);
+    assert_eq!(z, ());
+    z = x += 12;
+    assert_eq!(x, 33);
+    assert_eq!(z, ());
+}
+
+pub fn main() { test_assign(); test_assign_op(); }