test/mjsunit/wasm/js-to-wasm-invalid-sig.js

// Copyright 2024 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');

const builder = new WasmModuleBuilder();
builder.addFunction('main', makeSig([kWasmS128], [])).addBody([]).exportFunc();
const instance = builder.instantiate();
assertThrows(instance.exports.main, TypeError);