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