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Kmake/deps/v8/test/mjsunit/wasm/runtime-gc-objects.js
2026-05-26 23:36:42 -07:00

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JavaScript

// 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.
// Flags: --allow-natives-syntax
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
(function TestDeoptMinimalCallRef() {
var builder = new WasmModuleBuilder();
builder.addFunction("isArray", makeSig([kWasmAnyRef], [kWasmI32]))
.addBody([kExprLocalGet, 0, kGCPrefix, kExprRefTest, kArrayRefCode])
.exportFunc();
builder.addFunction("isStruct", makeSig([kWasmAnyRef], [kWasmI32]))
.addBody([kExprLocalGet, 0, kGCPrefix, kExprRefTest, kStructRefCode])
.exportFunc();
let wasm = builder.instantiate().exports;
let array = %WasmArray();
let struct = %WasmStruct();
assertEquals(1, wasm.isArray(array));
assertEquals(0, wasm.isArray(struct));
assertEquals(0, wasm.isStruct(array));
assertEquals(1, wasm.isStruct(struct));
})();