typedarray-non-int32-index-set.js

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function set(k) {

  // Different typed array types to ensure we emit a SetProp IC.

  var xs = [

    new Int32Array(10),

    new Int16Array(10),

];

  for (var i = 0; i < 100; ++i) {

    var x = xs[i & 1];

    x[k] = 0;

  assertEq(xs[0][k], undefined);

  assertEq(xs[1][k], undefined);

// Make sure we use a distinct function for each test.

function test(fn) {

  return Function(`return ${fn};`)();

// Negative numbers values aren't int32 indices.

test(set)(-1);

test(set)(-2147483648);

test(set)(-2147483649);

// Int32 indices must be less-or-equal to max-int32.

test(set)(2147483648);

// Int32 indices must not have fractional parts.

test(set)(1.5);

test(set)(-1.5);

// Non-finite numbers aren't int32 indices.

test(set)(NaN);

test(set)(-Infinity);

test(set)(Infinity);