1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/spec/spec/forward.wast.js b/js/src/jit-test/tests/wasm/spec/spec/forward.wast.js
new file mode 100644
index 0000000000..49bd1bda87
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/spec/spec/forward.wast.js
@@ -0,0 +1,45 @@
+/* Copyright 2021 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// ./test/core/forward.wast
+
+// ./test/core/forward.wast:1
+let $0 = instantiate(`(module
+  (func $$even (export "even") (param $$n i32) (result i32)
+    (if (result i32) (i32.eq (local.get $$n) (i32.const 0))
+      (then (i32.const 1))
+      (else (call $$odd (i32.sub (local.get $$n) (i32.const 1))))
+    )
+  )
+
+  (func $$odd (export "odd") (param $$n i32) (result i32)
+    (if (result i32) (i32.eq (local.get $$n) (i32.const 0))
+      (then (i32.const 0))
+      (else (call $$even (i32.sub (local.get $$n) (i32.const 1))))
+    )
+  )
+)`);
+
+// ./test/core/forward.wast:17
+assert_return(() => invoke($0, `even`, [13]), [value("i32", 0)]);
+
+// ./test/core/forward.wast:18
+assert_return(() => invoke($0, `even`, [20]), [value("i32", 1)]);
+
+// ./test/core/forward.wast:19
+assert_return(() => invoke($0, `odd`, [13]), [value("i32", 1)]);
+
+// ./test/core/forward.wast:20
+assert_return(() => invoke($0, `odd`, [20]), [value("i32", 0)]);