test/mjsunit/shift-for-integer-div.js

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function divp4(x) {
  return x / 4;
}

for (var i = 0; i < 10000; i+=4) {
  assertEquals(i >> 2, divp4(i));
}

assertEquals(0.5, divp4(2));

function divn4(x) {
  return x / (-4);
}

for (var i = 0; i < 10000; i+=4) {
  assertEquals(-(i >> 2), divn4(i));
}

assertEquals(-0, divn4(0));


function divn1(x) {
  return x / (-1);
}

for (var i = 0; i < 10000; i++) {
  assertEquals(-i, divn1(i));
}

var min_int = -(0x7FFFFFFF)-1;
assertEquals(-min_int, divn1(min_int));