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Update web-platform-tests to revision b'468d01bbd84da2babf265c6af46947be68713440'

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WPT Sync Bot 2021-09-07 11:16:33 +00:00 • committed by cybai
parent 35e95f55a1
commit 58e8ee674b
9438 changed files with 266112 additions and 106976 deletions
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9
tests/wpt/web-platform-tests/common/sab.js
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@ -1,11 +1,16 @@
const createBuffer = (() => {
// See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
const sabConstructor = new WebAssembly.Memory({ shared:true, initial:0, maximum:0 }).buffer.constructor;
let sabConstructor;
try {
sabConstructor = new WebAssembly.Memory({ shared:true, initial:0, maximum:0 }).buffer.constructor;
} catch(e) {
sabConstructor = null;
}
return (type, length) => {
if (type === "ArrayBuffer") {
return new ArrayBuffer(length);
} else if (type === "SharedArrayBuffer") {
if (sabConstructor.name !== "SharedArrayBuffer") {
if (sabConstructor && sabConstructor.name !== "SharedArrayBuffer") {
throw new Error("WebAssembly.Memory does not support shared:true");
}
return new sabConstructor(length);