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// Copyright 2022 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: --experimental-d8-web-snapshot-api --allow-natives-syntax --harmony-rab-gsab --verify-heap
'use strict';
d8.file.execute('test/mjsunit/web-snapshot/web-snapshot-helpers.js');
(function TestSharedArrayBuffer() {
function createObjects() {
const growableArrayBuffer = new SharedArrayBuffer(5, { maxByteLength: 10 });
globalThis.growableArrayBuffer = growableArrayBuffer;
const array1 = new Uint8Array(growableArrayBuffer);
for (let i = 0; i < 5; i++) {
array1[i] = i;
}
const arrayBuffer = new SharedArrayBuffer(5);
globalThis.arrayBuffer = arrayBuffer;
const array2 = new Uint8Array(arrayBuffer);
for (let i = 0; i < 5; i++) {
array2[i] = i;
}
}
const { growableArrayBuffer, arrayBuffer } = takeAndUseWebSnapshot(createObjects, ['growableArrayBuffer', 'arrayBuffer']);
assertEquals(5, growableArrayBuffer.byteLength);
assertEquals(10, growableArrayBuffer.maxByteLength);
assertTrue(growableArrayBuffer.growable);
const array1 = new Uint8Array(growableArrayBuffer);
for (let i = 0; i < 5; i++) {
assertEquals(array1[i], i);
}
assertEquals(arrayBuffer.byteLength, 5);
assertEquals(arrayBuffer.maxByteLength, 5);
assertFalse(arrayBuffer.growable, false);
const array2 = new Uint8Array(arrayBuffer);
for (let i = 0; i < 5; i++) {
assertEquals(array2[i], i);
}
})();
(function TestArrayBuffer() {
function createObjects() {
const resizableArrayBuffer = new ArrayBuffer(5, {maxByteLength: 10});
globalThis.resizableArrayBuffer = resizableArrayBuffer;
const array1 = new Uint8Array(resizableArrayBuffer);
for (let i = 0; i < 5; i++) {
array1[i] = i;
}
const arrayBuffer = new ArrayBuffer(5);
globalThis.arrayBuffer = arrayBuffer;
const array2 = new Uint8Array(arrayBuffer);
for (let i = 0; i < 5; i++) {
array2[i] = i;
}
const detachedArrayBuffer = new ArrayBuffer(5);
%ArrayBufferDetach(detachedArrayBuffer);
globalThis.detachedArrayBuffer = detachedArrayBuffer;
}
const { resizableArrayBuffer, arrayBuffer, detachedArrayBuffer } = takeAndUseWebSnapshot(createObjects, ['resizableArrayBuffer', 'arrayBuffer', 'detachedArrayBuffer']);
assertEquals(5, resizableArrayBuffer.byteLength);
assertEquals(10, resizableArrayBuffer.maxByteLength);
assertTrue(resizableArrayBuffer.resizable)
const array1 = new Uint8Array(resizableArrayBuffer);
for (let i = 0; i < 5; i++) {
assertEquals(array1[i], i);
}
assertEquals(5, arrayBuffer.byteLength);
assertEquals(5, arrayBuffer.maxByteLength);
assertFalse(arrayBuffer.resizable)
const array2 = new Uint8Array(arrayBuffer);
for (let i = 0; i < 5; i++) {
assertEquals(array2[i], i);
}
assertEquals(0, detachedArrayBuffer.byteLength);
assertEquals(0, detachedArrayBuffer.maxByteLength);
})()
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