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974ab4060f
PR-URL: https://github.com/nodejs/node/pull/41610 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
41 lines
1.5 KiB
JavaScript
41 lines
1.5 KiB
JavaScript
// Copyright 2021 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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// Flags: --allow-natives-syntax --experimental-wasm-stack-switching --expose-gc
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load("test/mjsunit/wasm/wasm-module-builder.js");
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(function TestSuspender() {
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print(arguments.callee.name);
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let suspender = new WebAssembly.Suspender();
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assertTrue(suspender.toString() == "[object WebAssembly.Suspender]");
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assertThrows(() => WebAssembly.Suspender(), TypeError,
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/WebAssembly.Suspender must be invoked with 'new'/);
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})();
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(function TestStackSwitchNoSuspend() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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builder.addGlobal(kWasmI32, true).exportAs('g');
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builder.addFunction("test", kSig_v_v)
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.addBody([kExprI32Const, 42, kExprGlobalSet, 0]).exportFunc();
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let instance = builder.instantiate();
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let suspender = new WebAssembly.Suspender();
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let wrapper = suspender.returnPromiseOnSuspend(instance.exports.test);
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wrapper();
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assertEquals(42, instance.exports.g.value);
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})();
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(function TestStackSwitchGC() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let gc_index = builder.addImport('m', 'gc', kSig_v_v);
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builder.addFunction("test", kSig_v_v)
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.addBody([kExprCallFunction, gc_index]).exportFunc();
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let instance = builder.instantiate({'m': {'gc': gc}});
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let suspender = new WebAssembly.Suspender();
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let wrapper = suspender.returnPromiseOnSuspend(instance.exports.test);
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wrapper();
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})();
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