blob: 77d819d48c24fbf09fceef4643bd0b71c106b90b [file] [log] [blame]
// Copyright 2019 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.
// Flags: --no-experimental-wasm-bigint
load('test/mjsunit/wasm/wasm-module-builder.js');
// Generate a re-exported function that wraps a JavaScript callable, but with a
// function signature that is incompatible (i.e. i64 return type) with JS.
var fun1 = (function GenerateFun1() {
let builder = new WasmModuleBuilder();
function fun() { return 0 }
let fun_index = builder.addImport("m", "fun", kSig_l_v)
builder.addExport("fun", fun_index);
let instance = builder.instantiate({ m: { fun: fun }});
return instance.exports.fun;
})();
// Generate an exported function that calls the above re-export from another
// module, still with a function signature that is incompatible with JS.
var fun2 = (function GenerateFun2() {
let builder = new WasmModuleBuilder();
let fun_index = builder.addImport("m", "fun", kSig_l_v)
builder.addFunction('main', kSig_v_v)
.addBody([
kExprCallFunction, fun_index,
kExprDrop
])
.exportFunc();
let instance = builder.instantiate({ m: { fun: fun1 }});
return instance.exports.main;
})();
// Both exported functions should throw, no matter how often they get wrapped.
assertThrows(fun1, TypeError,
/type incompatibility when transforming from\/to JS/);
assertThrows(fun2, TypeError,
/type incompatibility when transforming from\/to JS/);