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-rw-r--r--js/src/jit-test/tests/wasm/spec/function-references/ref_as_non_null.wast.js71
1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/spec/function-references/ref_as_non_null.wast.js b/js/src/jit-test/tests/wasm/spec/function-references/ref_as_non_null.wast.js
new file mode 100644
index 0000000000..af2628a7b6
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/spec/function-references/ref_as_non_null.wast.js
@@ -0,0 +1,71 @@
+/* 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/ref_as_non_null.wast
+
+// ./test/core/ref_as_non_null.wast:1
+let $0 = instantiate(`(module
+ (type $$t (func (result i32)))
+
+ (func $$nn (param $$r (ref $$t)) (result i32)
+ (call_ref $$t (ref.as_non_null (local.get $$r)))
+ )
+ (func $$n (param $$r (ref null $$t)) (result i32)
+ (call_ref $$t (ref.as_non_null (local.get $$r)))
+ )
+
+ (elem func $$f)
+ (func $$f (result i32) (i32.const 7))
+
+ (func (export "nullable-null") (result i32) (call $$n (ref.null $$t)))
+ (func (export "nonnullable-f") (result i32) (call $$nn (ref.func $$f)))
+ (func (export "nullable-f") (result i32) (call $$n (ref.func $$f)))
+
+ (func (export "unreachable") (result i32)
+ (unreachable)
+ (ref.as_non_null)
+ (call $$nn)
+ )
+)`);
+
+// ./test/core/ref_as_non_null.wast:25
+assert_trap(() => invoke($0, `unreachable`, []), `unreachable`);
+
+// ./test/core/ref_as_non_null.wast:27
+assert_trap(() => invoke($0, `nullable-null`, []), `null reference`);
+
+// ./test/core/ref_as_non_null.wast:28
+assert_return(() => invoke($0, `nonnullable-f`, []), [value("i32", 7)]);
+
+// ./test/core/ref_as_non_null.wast:29
+assert_return(() => invoke($0, `nullable-f`, []), [value("i32", 7)]);
+
+// ./test/core/ref_as_non_null.wast:31
+assert_invalid(
+ () => instantiate(`(module
+ (type $$t (func (result i32)))
+ (func $$g (param $$r (ref $$t)) (drop (ref.as_non_null (local.get $$r))))
+ (func (call $$g (ref.null $$t)))
+ )`),
+ `type mismatch`,
+);
+
+// ./test/core/ref_as_non_null.wast:41
+let $1 = instantiate(`(module
+ (type $$t (func))
+ (func (param $$r (ref $$t)) (drop (ref.as_non_null (local.get $$r))))
+ (func (param $$r (ref func)) (drop (ref.as_non_null (local.get $$r))))
+ (func (param $$r (ref extern)) (drop (ref.as_non_null (local.get $$r))))
+)`);