1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/function-references/as-non-null.js b/js/src/jit-test/tests/wasm/function-references/as-non-null.js
new file mode 100644
index 0000000000..1280c8ee06
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/function-references/as-non-null.js
@@ -0,0 +1,13 @@
+// |jit-test| skip-if: !wasmFunctionReferencesEnabled()
+
+let {checkNonNull} = wasmEvalText(`(module
+  (func (export "checkNonNull") (param externref) (result (ref extern))
+    local.get 0
+    ref.as_non_null
+  )
+)`).exports;
+
+assertErrorMessage(() => checkNonNull(null), WebAssembly.RuntimeError, /dereferencing null pointer/);
+for (let val of WasmNonNullExternrefValues) {
+  assertEq(checkNonNull(val), val, `is non-null`);
+}