v8/test/mjsunit/regress/wasm/regress-729991.js
Camillo Bruni a345a442d3 [d8][mjsunit][tools] Improve d8 file API
- Add d8.file.read() and d8.file.execute() helpers
- Change tools and tests to use new d8.file helper
- Unify error throwing in v8::Shell::ReadFile

Change-Id: I5ef4cb27f217508a367106f01e872a4059d5e399
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928505
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74883}
2021-06-01 13:37:57 +00:00

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JavaScript

// 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.
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
let builder = new WasmModuleBuilder();
builder.addCustomSection('BBBB', []);
builder.addCustomSection('AAAA', new Array(32).fill(0));
let buffer = builder.toBuffer();
// Shrink the buffer by 30 bytes (content of the unknown section named 'AAAA').
buffer = buffer.slice(0, buffer.byteLength - 30);
// Instantiation should fail on the truncated buffer.
assertThrows(() => new WebAssembly.Module(buffer), WebAssembly.CompileError);