0e546f54e9
R=ahaas@chromium.org CC=fgm@chromium.org Bug: v8:12191 Change-Id: I415c4488262a97cf04b71fd8e96071c7bff972cf Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3231337 Reviewed-by: Andreas Haas <ahaas@chromium.org> Commit-Queue: Thibaud Michaud <thibaudm@chromium.org> Cr-Commit-Position: refs/heads/main@{#77740}
29 lines
1.1 KiB
JavaScript
29 lines
1.1 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
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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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