js/src/jit-test/tests/ion/testArrayBufferByteLength.js


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var ArrayBufferByteLength = getSelfHostedValue("ArrayBufferByteLength");

setJitCompilerOption("ion.warmup.trigger", 50);

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(ArrayBufferByteLength(abuf), arrLength * bytesPerElement);
  };
  do {
    f();
  } while (!inIon());
}
testBasic();