1 files changed, 140 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/spec/exception-handling/rethrow.wast.js b/js/src/jit-test/tests/wasm/spec/exception-handling/rethrow.wast.js
new file mode 100644
index 0000000000..a995b8dc37
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/spec/exception-handling/rethrow.wast.js
@@ -0,0 +1,140 @@
+/* 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/rethrow.wast
+
+// ./test/core/rethrow.wast:3
+let $0 = instantiate(`(module
+  (tag $$e0)
+  (tag $$e1)
+
+  (func (export "catch-rethrow-0")
+    (try
+      (do (throw $$e0))
+      (catch $$e0 (rethrow 0))
+    )
+  )
+
+  (func (export "catch-rethrow-1") (param i32) (result i32)
+    (try (result i32)
+      (do (throw $$e0))
+      (catch $$e0
+        (if (i32.eqz (local.get 0)) (then (rethrow 1))) (i32.const 23)
+      )
+    )
+  )
+
+  (func (export "catchall-rethrow-0")
+    (try
+      (do (throw $$e0))
+      (catch_all (rethrow 0))
+    )
+  )
+
+  (func (export "catchall-rethrow-1") (param i32) (result i32)
+    (try (result i32)
+      (do (throw $$e0))
+      (catch_all
+        (if (i32.eqz (local.get 0)) (then (rethrow 1))) (i32.const 23)
+      )
+    )
+  )
+
+  (func (export "rethrow-nested") (param i32) (result i32)
+    (try (result i32)
+      (do (throw $$e1))
+      (catch $$e1
+        (try (result i32)
+          (do (throw $$e0))
+          (catch $$e0
+            (if (i32.eq (local.get 0) (i32.const 0)) (then (rethrow 1)))
+            (if (i32.eq (local.get 0) (i32.const 1)) (then (rethrow 2)))
+            (i32.const 23)
+          )
+        )
+      )
+    )
+  )
+
+  (func (export "rethrow-recatch") (param i32) (result i32)
+    (try (result i32)
+      (do (throw $$e0))
+      (catch $$e0
+        (try (result i32)
+         (do (if (i32.eqz (local.get 0)) (then (rethrow 2))) (i32.const 42))
+         (catch $$e0 (i32.const 23))
+        )
+      )
+    )
+  )
+
+  (func (export "rethrow-stack-polymorphism")
+    (try
+      (do (throw $$e0))
+      (catch $$e0 (i32.const 1) (rethrow 0))
+    )
+  )
+)`);
+
+// ./test/core/rethrow.wast:75
+assert_exception(() => invoke($0, `catch-rethrow-0`, []));
+
+// ./test/core/rethrow.wast:77
+assert_exception(() => invoke($0, `catch-rethrow-1`, [0]));
+
+// ./test/core/rethrow.wast:78
+assert_return(() => invoke($0, `catch-rethrow-1`, [1]), [value("i32", 23)]);
+
+// ./test/core/rethrow.wast:80
+assert_exception(() => invoke($0, `catchall-rethrow-0`, []));
+
+// ./test/core/rethrow.wast:82
+assert_exception(() => invoke($0, `catchall-rethrow-1`, [0]));
+
+// ./test/core/rethrow.wast:83
+assert_return(() => invoke($0, `catchall-rethrow-1`, [1]), [value("i32", 23)]);
+
+// ./test/core/rethrow.wast:84
+assert_exception(() => invoke($0, `rethrow-nested`, [0]));
+
+// ./test/core/rethrow.wast:85
+assert_exception(() => invoke($0, `rethrow-nested`, [1]));
+
+// ./test/core/rethrow.wast:86
+assert_return(() => invoke($0, `rethrow-nested`, [2]), [value("i32", 23)]);
+
+// ./test/core/rethrow.wast:88
+assert_return(() => invoke($0, `rethrow-recatch`, [0]), [value("i32", 23)]);
+
+// ./test/core/rethrow.wast:89
+assert_return(() => invoke($0, `rethrow-recatch`, [1]), [value("i32", 42)]);
+
+// ./test/core/rethrow.wast:91
+assert_exception(() => invoke($0, `rethrow-stack-polymorphism`, []));
+
+// ./test/core/rethrow.wast:93
+assert_invalid(() => instantiate(`(module (func (rethrow 0)))`), `invalid rethrow label`);
+
+// ./test/core/rethrow.wast:94
+assert_invalid(
+  () => instantiate(`(module (func (block (rethrow 0))))`),
+  `invalid rethrow label`,
+);
+
+// ./test/core/rethrow.wast:95
+assert_invalid(
+  () => instantiate(`(module (func (try (do (rethrow 0)) (delegate 0))))`),
+  `invalid rethrow label`,
+);