1 files changed, 18 insertions, 1 deletions
diff --git a/test/run_tests.cpp b/test/run_tests.cpp
index c41832e47d..1038983d2e 100644
--- a/test/run_tests.cpp
+++ b/test/run_tests.cpp
@@ -710,7 +710,7 @@ pub fn main(argc : isize, argv : &&u8, env : &&u8) -> i32 {
 
     add_simple_case("maybe type", R"SOURCE(
 use "std.zig";
-pub fn main(argc : isize, argv : &&u8, env : &&u8) -> i32 {
+pub fn main(argc: isize, argv: &&u8, env: &&u8) -> i32 {
     const x : ?bool = true;
 
     if (const y ?= x) {
@@ -722,6 +722,23 @@ pub fn main(argc : isize, argv : &&u8, env : &&u8) -> i32 {
     } else {
         print_str("x is none\n");
     }
+
+    const next_x : ?i32 = null;
+
+    const z = next_x ?? 1234;
+
+    if (z != 1234) {
+        print_str("BAD\n");
+    }
+
+    const final_x : ?i32 = 13;
+
+    const num = final_x ?? unreachable;
+
+    if (num != 13) {
+        print_str("BAD\n");
+    }
+
     return 0;
 }
     )SOURCE", "x is true\n");