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/* 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))))
)`);
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