v8/test/mjsunit/asm/int32array-outofbounds.js

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// Copyright 2014 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.
function Module(stdlib, foreign, heap) {
"use asm";
var MEM32 = new stdlib.Int32Array(heap);
function load(i) {
i = i|0;
i = MEM32[i >> 2] | 0;
return i;
}
function store(i, v) {
i = i|0;
v = v|0;
MEM32[i >> 2] = v;
}
return { load: load, store: store };
}
var m = Module(this, {}, new ArrayBuffer(4));
m.store(0, 0x12345678);
for (var i = 1; i < 64; ++i) {
m.store(i * 4 * 32 * 1024, i);
}
assertEquals(0x12345678, m.load(0));
for (var i = 1; i < 64; ++i) {
assertEquals(0, m.load(i * 4 * 32 * 1024));
}