2024-04-18 07:06:43 +02:00
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// Copyright 2024 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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2025-04-29 08:03:15 +02:00
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// Flags: --wasm-staging
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2024-04-18 07:06:43 +02:00
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let kRefExtern = wasmRefType(kWasmExternRef);
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let kSig_e_i = makeSig([kWasmI32], [kRefExtern]);
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const builder = new WasmModuleBuilder();
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let kFromCodePoint =
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builder.addImport('wasm:js-string', 'fromCodePoint', kSig_e_i);
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builder.addFunction("stringref", kSig_i_v).exportFunc().addBody([
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kExprI32Const, 0x59,
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...GCInstr(kExprStringFromCodePoint),
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kExprI32Const, 42,
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kExprReturn,
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]);
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builder.addFunction("importedstring", kSig_i_v).exportFunc().addBody([
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kExprI32Const, 0x59,
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kExprCallFunction, kFromCodePoint,
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kExprI32Const, 42,
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kExprReturn,
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]);
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const instance = builder.instantiate({}, {builtins: ["js-string"]});
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assertThrows(() => instance.exports.stringref(), WebAssembly.RuntimeError,
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"Invalid code point 4294967257");
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assertThrows(() => instance.exports.importedstring(), WebAssembly.RuntimeError,
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"Invalid code point 4294967257");
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