testPossiblyWrappedArrayBufferByteLength.js

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// |jit-test| --ion-warmup-threshold=50

var PossiblyWrappedArrayBufferByteLength = getSelfHostedValue("PossiblyWrappedArrayBufferByteLength");

function testBasic() {

  var arr = [1, 2, 3];

  var tarr = new Int32Array(arr);

  var abuf = tarr.buffer;

  var arrLength = arr.length;

  var bytesPerElement = Int32Array.BYTES_PER_ELEMENT;

  var f = function() {

    assertEq(PossiblyWrappedArrayBufferByteLength(abuf), arrLength * bytesPerElement);

};

  do {

    f();

  } while (!inIon());

testBasic();

function testWrapped() {

  var g = newGlobal();

g.eval(`

var arr = [1, 2, 3];

var tarr = new Int32Array(arr);

var abuf = tarr.buffer;

`);

  var abuf = g.abuf;

  var arrLength = g.arr.length;

  var bytesPerElement = g.Int32Array.BYTES_PER_ELEMENT;

  var f = function() {

    assertEq(PossiblyWrappedArrayBufferByteLength(abuf), arrLength * bytesPerElement);

};

  do {

    f();

  } while (!inIon());

testWrapped();