int16array-outofbounds.js 1.02 KB
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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 MEM16 = new stdlib.Int16Array(heap);
  function load(i) {
    i = i|0;
    i = MEM16[i >> 1] | 0;
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    return i | 0;
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  }
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  function loadm1() {
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    var i = -1 << 1;
    return MEM16[i >> 1] | 0;
    return 0;
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  }
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  function store(i, v) {
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    i = i | 0;
    v = v | 0;
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    MEM16[i >> 1] = v;
  }
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  function storem1(v) {
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    v = v | 0;
    var i = -1 << 1;
    MEM16[i >> 1] = v;
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  }
  return {load: load, loadm1: loadm1, store: store, storem1: storem1};
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}

var m = Module(this, {}, new ArrayBuffer(2));

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m.store(-1000, 4);
assertEquals(0, m.load(-1000));
assertEquals(0, m.loadm1());
m.storem1(1);
assertEquals(0, m.loadm1());
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m.store(0, 32767);
for (var i = 1; i < 64; ++i) {
  m.store(i * 2 * 32 * 1024, i);
}
assertEquals(32767, m.load(0));
for (var i = 1; i < 64; ++i) {
  assertEquals(0, m.load(i * 2 * 32 * 1024));
}