1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/stealing.js b/js/src/jit-test/tests/wasm/stealing.js
new file mode 100644
index 0000000000..6e4e60b9b1
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/stealing.js
@@ -0,0 +1,17 @@
+var exp = wasmEvalText(`(module
+    (memory 1)
+    (export "mem" (memory 0))
+    (func $f (result i32) (i32.load (i32.const 0)))
+    (export "f" (func $f))
+)`).exports;
+
+var ab = exp.mem.buffer;
+new Int32Array(ab)[0] = 42;
+
+assertEq(exp.f(), 42);
+
+assertThrowsInstanceOf(() => detachArrayBuffer(ab), Error);
+assertEq(exp.f(), 42);
+
+assertThrowsInstanceOf(() => serialize(ab, [ab]), Error);
+assertEq(exp.f(), 42);