ChakraCore/test/wasm/oom.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft Corporation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

function assertEquals(expected, actual) {
    if (expected != actual) {
        throw `Expected ${expected}, received ${actual}`;
    }
}

function wasmAlloc(initialSize, newSize) {

    let memories = [];
    const n = 5;

    for (let i = 0; i < n; i++) {
        try {
            let m = new WebAssembly.Memory({initial:initialSize});
            assertEquals(initialSize * (1 << 16) /*64K*/, m.buffer.byteLength);
            m.grow(newSize);
            memories.push(m);
        } catch (e) {
            return e;
        }
    }

    return new Error('OOM Expected');
}

assertEquals(2, WScript.Arguments.length);

const INITIAL_SIZE = parseInt(WScript.Arguments[0]);
const GROW_SIZE = parseInt(WScript.Arguments[1]);

let {name, message } = wasmAlloc(INITIAL_SIZE, GROW_SIZE);
assertEquals("argument out of range", message); //message check comes first to render test failures more intuitive
assertEquals("RangeError", name);
print ("PASSED");