1 files changed, 87 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/spec/exception-handling/throw.wast.js b/js/src/jit-test/tests/wasm/spec/exception-handling/throw.wast.js
new file mode 100644
index 0000000000..cb0baf0d4c
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/spec/exception-handling/throw.wast.js
@@ -0,0 +1,87 @@
+/* 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/throw.wast
+
+// ./test/core/throw.wast:3
+let $0 = instantiate(`(module
+  (tag $$e0)
+  (tag $$e-i32 (param i32))
+  (tag $$e-f32 (param f32))
+  (tag $$e-i64 (param i64))
+  (tag $$e-f64 (param f64))
+  (tag $$e-i32-i32 (param i32 i32))
+
+  (func $$throw-if (export "throw-if") (param i32) (result i32)
+    (local.get 0)
+    (i32.const 0) (if (i32.ne) (then (throw $$e0)))
+    (i32.const 0)
+  )
+
+  (func (export "throw-param-f32") (param f32) (local.get 0) (throw $$e-f32))
+
+  (func (export "throw-param-i64") (param i64) (local.get 0) (throw $$e-i64))
+
+  (func (export "throw-param-f64") (param f64) (local.get 0) (throw $$e-f64))
+
+  (func $$throw-1-2 (i32.const 1) (i32.const 2) (throw $$e-i32-i32))
+  (func (export "test-throw-1-2")
+    (try
+      (do (call $$throw-1-2))
+      (catch $$e-i32-i32
+        (i32.const 2)
+        (if (i32.ne) (then (unreachable)))
+        (i32.const 1)
+        (if (i32.ne) (then (unreachable)))
+      )
+    )
+  )
+)`);
+
+// ./test/core/throw.wast:37
+assert_return(() => invoke($0, `throw-if`, [0]), [value("i32", 0)]);
+
+// ./test/core/throw.wast:38
+assert_exception(() => invoke($0, `throw-if`, [10]));
+
+// ./test/core/throw.wast:39
+assert_exception(() => invoke($0, `throw-if`, [-1]));
+
+// ./test/core/throw.wast:41
+assert_exception(() => invoke($0, `throw-param-f32`, [value("f32", 5)]));
+
+// ./test/core/throw.wast:42
+assert_exception(() => invoke($0, `throw-param-i64`, [5n]));
+
+// ./test/core/throw.wast:43
+assert_exception(() => invoke($0, `throw-param-f64`, [value("f64", 5)]));
+
+// ./test/core/throw.wast:45
+assert_return(() => invoke($0, `test-throw-1-2`, []), []);
+
+// ./test/core/throw.wast:47
+assert_invalid(() => instantiate(`(module (func (throw 0)))`), `unknown tag 0`);
+
+// ./test/core/throw.wast:48
+assert_invalid(
+  () => instantiate(`(module (tag (param i32)) (func (throw 0)))`),
+  `type mismatch: instruction requires [i32] but stack has []`,
+);
+
+// ./test/core/throw.wast:50
+assert_invalid(
+  () => instantiate(`(module (tag (param i32)) (func (i64.const 5) (throw 0)))`),
+  `type mismatch: instruction requires [i32] but stack has [i64]`,
+);