Function TestSparseNonArraySorting

deps/v8/test/mjsunit/array-sort.js:115–130

(length)

function TestSparseNonArraySorting(length) {
  assertTrue(length > 101);
  var obj = {length: length};
  obj[0] = 42;
  obj[10] = 37;
  obj[100] = undefined;
  obj[length - 1] = null;
  Array.prototype.sort.call(obj);
  assertEquals(length, obj.length, "objsort length unaffected");
  assertEquals(37, obj[0], "objsort smallest number");
  assertEquals(42, obj[1], "objsort largest number");
  assertEquals(null, obj[2], "objsort null");
  assertEquals(undefined, obj[3], "objsort undefined");
  assertTrue(3 in obj, "objsort undefined retained");
  assertFalse(4 in obj, "objsort non-existing retained");
}

TestSparseNonArraySorting(1000);
TestSparseNonArraySorting(5000);