35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
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// Copyright 2017 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: --noexperimental-wasm-threads --allow-natives-syntax
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load("test/mjsunit/wasm/wasm-module-builder.js");
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function instantiateModuleWithThreads() {
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// Build a WebAssembly module which uses threads-features.
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const builder = new WasmModuleBuilder();
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const shared = true;
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builder.addMemory(2, 10, false, shared);
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builder.addFunction('main', kSig_i_ii)
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.addBody([
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kExprGetLocal, 0, kExprGetLocal, 1, kAtomicPrefix, kExprI32AtomicAdd, 2,
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0
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])
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.exportFunc();
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return builder.instantiate();
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}
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// Disable WebAssembly threads initially.
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%SetWasmThreadsEnabled(false);
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assertThrows(instantiateModuleWithThreads, WebAssembly.CompileError);
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// Enable WebAssembly threads.
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%SetWasmThreadsEnabled(true);
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assertInstanceof(instantiateModuleWithThreads(), WebAssembly.Instance);
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// Disable WebAssembly threads.
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%SetWasmThreadsEnabled(false);
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assertThrows(instantiateModuleWithThreads, WebAssembly.CompileError);
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