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3dc8c3bed4
PR-URL: https://github.com/nodejs/node/pull/13263 Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com>
50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
// 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: --expose-wasm --allow-natives-syntax
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load("test/mjsunit/wasm/wasm-constants.js");
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load("test/mjsunit/wasm/wasm-module-builder.js");
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let ok_buffer = (() => {
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var builder = new WasmModuleBuilder();
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builder.addFunction("f", kSig_i_v)
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.addBody([kExprI32Const, 42])
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.exportAs("f");
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return builder.toBuffer();
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})();
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// The OK buffer validates and can be made into a module.
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assertTrue(WebAssembly.validate(ok_buffer));
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let ok_module = new WebAssembly.Module(ok_buffer);
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assertTrue(ok_module instanceof WebAssembly.Module);
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// The bad buffer does not validate and cannot be made into a module.
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let bad_buffer = new ArrayBuffer(0);
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assertFalse(WebAssembly.validate(bad_buffer));
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assertThrows(() => new WebAssembly.Module(bad_buffer), WebAssembly.CompileError);
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function checkModule(module) {
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assertTrue(module instanceof WebAssembly.Module);
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}
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function checkCompileError(ex) {
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assertTrue(ex instanceof WebAssembly.CompileError);
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}
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let kNumCompiles = 3;
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// Three compilations of the OK module should succeed.
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for (var i = 0; i < kNumCompiles; i++) {
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assertPromiseResult(WebAssembly.compile(ok_buffer), checkModule,
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(ex) => assertUnreachable);
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}
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// Three compilations of the bad module should fail.
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for (var i = 0; i < kNumCompiles; i++) {
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assertPromiseResult(WebAssembly.compile(bad_buffer),
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(module) => assertUnreachable,
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checkCompileError);
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}
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