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// Ensure that Number.MAX_VALUE and Number.MIN_VALUE are extreme.
function testLimits() {
  var i; var eps;
  for (i = 0, eps = 1; i < 1100; i++, eps /= 2) {
    var mulAboveMax = Number.MAX_VALUE * (1 + eps);
    var addAboveMax = Number.MAX_VALUE + 1/eps;
    var mulBelowMin = Number.MIN_VALUE * (1 - eps);
    var addBelowMin = Number.MIN_VALUE - eps;
    assertTrue(mulAboveMax == Number.MAX_VALUE ||
               mulAboveMax == Infinity, "mul" + i);
    assertTrue(addAboveMax == Number.MAX_VALUE ||
               addAboveMax == Infinity, "add" + i);
    assertTrue(mulBelowMin == Number.MIN_VALUE ||
               mulBelowMin <= 0, "mul2" + i);
    assertTrue(addBelowMin == Number.MIN_VALUE ||
               addBelowMin <= 0, "add2" + i);
  }
}

testLimits();