v8/test/mjsunit/wasm/user-properties-exported.js

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// Copyright 2017 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: --expose-wasm --expose-gc --verify-heap
d8.file.execute("test/mjsunit/wasm/user-properties-common.js");
(function ExportedFunctionTest() {
print("ExportedFunctionTest");
print(" instance 1, exporting");
var builder = new WasmModuleBuilder();
builder.addFunction("exp", kSig_i_i)
.addBody([
kExprLocalGet, 0,
kExprCallFunction, 0])
.exportAs("exp");
let module1 = builder.toModule();
let instance1 = new WebAssembly.Instance(module1);
let g = instance1.exports.exp;
testProperties(g);
// The Wasm-internal fields of {g} are only inspected when {g} is
// used as an import into another instance.
print(" instance 2, importing");
var builder = new WasmModuleBuilder();
builder.addImport("imp", "func", kSig_i_i);
let module2 = builder.toModule();
let instance2 = new WebAssembly.Instance(module2, {imp: {func: g}});
testProperties(g);
})();