1 files changed, 189 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/spec/gc/type-rec.wast.js b/js/src/jit-test/tests/wasm/spec/gc/type-rec.wast.js
new file mode 100644
index 0000000000..8bf18cb6e5
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/spec/gc/type-rec.wast.js
@@ -0,0 +1,189 @@
+/* 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/type-rec.wast
+
+// ./test/core/type-rec.wast:3
+let $0 = instantiate(`(module
+  (rec (type $$f1 (func)) (type (struct (field (ref $$f1)))))
+  (rec (type $$f2 (func)) (type (struct (field (ref $$f2)))))
+  (func $$f (type $$f2))
+  (global (ref $$f1) (ref.func $$f))
+)`);
+
+// ./test/core/type-rec.wast:10
+let $1 = instantiate(`(module
+  (rec (type $$f1 (func)) (type (struct (field (ref $$f1)))))
+  (rec (type $$f2 (func)) (type (struct (field (ref $$f2)))))
+  (rec
+    (type $$g1 (func))
+    (type (struct (field (ref $$f1) (ref $$f1) (ref $$f2) (ref $$f2) (ref $$g1))))
+  )
+  (rec
+    (type $$g2 (func))
+    (type (struct (field (ref $$f1) (ref $$f2) (ref $$f1) (ref $$f2) (ref $$g2))))
+  )
+  (func $$g (type $$g2))
+  (global (ref $$g1) (ref.func $$g))
+)`);
+
+// ./test/core/type-rec.wast:25
+assert_invalid(
+  () => instantiate(`(module
+    (rec (type $$f1 (func)) (type (struct (field (ref $$f1)))))
+    (rec (type $$f2 (func)) (type (struct (field (ref $$f1)))))
+    (func $$f (type $$f2))
+    (global (ref $$f1) (ref.func $$f))
+  )`),
+  `type mismatch`,
+);
+
+// ./test/core/type-rec.wast:35
+assert_invalid(
+  () => instantiate(`(module
+    (rec (type $$f0 (func)) (type (struct (field (ref $$f0)))))
+    (rec (type $$f1 (func)) (type (struct (field (ref $$f0)))))
+    (rec (type $$f2 (func)) (type (struct (field (ref $$f1)))))
+    (func $$f (type $$f2))
+    (global (ref $$f1) (ref.func $$f))
+  )`),
+  `type mismatch`,
+);
+
+// ./test/core/type-rec.wast:46
+assert_invalid(
+  () => instantiate(`(module
+    (rec (type $$f1 (func)) (type (struct)))
+    (rec (type (struct)) (type $$f2 (func)))
+    (global (ref $$f1) (ref.func $$f))
+    (func $$f (type $$f2))
+  )`),
+  `type mismatch`,
+);
+
+// ./test/core/type-rec.wast:56
+assert_invalid(
+  () => instantiate(`(module
+    (rec (type $$f1 (func)) (type (struct)))
+    (rec (type $$f2 (func)) (type (struct)) (type (func)))
+    (global (ref $$f1) (ref.func $$f))
+    (func $$f (type $$f2))
+  )`),
+  `type mismatch`,
+);
+
+// ./test/core/type-rec.wast:69
+let $2 = instantiate(`(module $$M
+  (rec (type $$f1 (func)) (type (struct)))
+  (func (export "f") (type $$f1))
+)`);
+register($2, `M`);
+
+// ./test/core/type-rec.wast:73
+register(`M`, `M`);
+
+// ./test/core/type-rec.wast:75
+let $3 = instantiate(`(module
+  (rec (type $$f2 (func)) (type (struct)))
+  (func (import "M" "f") (type $$f2))
+)`);
+
+// ./test/core/type-rec.wast:80
+assert_unlinkable(
+  () => instantiate(`(module
+    (rec (type (struct)) (type $$f2 (func)))
+    (func (import "M" "f") (type $$f2))
+  )`),
+  `incompatible import type`,
+);
+
+// ./test/core/type-rec.wast:88
+assert_unlinkable(
+  () => instantiate(`(module
+    (rec (type $$f2 (func)))
+    (func (import "M" "f") (type $$f2))
+  )`),
+  `incompatible import type`,
+);
+
+// ./test/core/type-rec.wast:99
+let $4 = instantiate(`(module
+  (rec (type $$f1 (func)) (type (struct)))
+  (rec (type $$f2 (func)) (type (struct)))
+  (table funcref (elem $$f1))
+  (func $$f1 (type $$f1))
+  (func (export "run") (call_indirect (type $$f2) (i32.const 0)))
+)`);
+
+// ./test/core/type-rec.wast:106
+assert_return(() => invoke($4, `run`, []), []);
+
+// ./test/core/type-rec.wast:108
+let $5 = instantiate(`(module
+  (rec (type $$f1 (func)) (type (struct)))
+  (rec (type (struct)) (type $$f2 (func)))
+  (table funcref (elem $$f1))
+  (func $$f1 (type $$f1))
+  (func (export "run") (call_indirect (type $$f2) (i32.const 0)))
+)`);
+
+// ./test/core/type-rec.wast:115
+assert_trap(() => invoke($5, `run`, []), `indirect call type mismatch`);
+
+// ./test/core/type-rec.wast:117
+let $6 = instantiate(`(module
+  (rec (type $$f1 (func)) (type (struct)))
+  (rec (type $$f2 (func)))
+  (table funcref (elem $$f1))
+  (func $$f1 (type $$f1))
+  (func (export "run") (call_indirect (type $$f2) (i32.const 0)))
+)`);
+
+// ./test/core/type-rec.wast:124
+assert_trap(() => invoke($6, `run`, []), `indirect call type mismatch`);
+
+// ./test/core/type-rec.wast:129
+let $7 = instantiate(`(module
+  (rec (type $$s (struct)))
+  (rec (type $$t (func (param (ref $$s)))))
+  (func $$f (param (ref $$s)))  ;; okay, type is equivalent to $$t
+  (global (ref $$t) (ref.func $$f))
+)`);
+
+// ./test/core/type-rec.wast:136
+assert_invalid(
+  () => instantiate(`(module
+    (rec
+      (type $$s (struct))
+      (type $$t (func (param (ref $$s))))
+    )
+    (func $$f (param (ref $$s)))  ;; type is not equivalent to $$t
+    (global (ref $$t) (ref.func $$f))
+  )`),
+  `type mismatch`,
+);
+
+// ./test/core/type-rec.wast:148
+assert_invalid(
+  () => instantiate(`(module
+    (rec
+      (type (struct))
+      (type $$t (func))
+    )
+    (func $$f)  ;; type is not equivalent to $$t
+    (global (ref $$t) (ref.func $$f))
+  )`),
+  `type mismatch`,
+);