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function test1() {
var dense = [1, 2, 3];
var denseHoles = [1, , 3];
var result = 0;
for (var i = 0; i < 70; i++) {
if (i in dense) result += 1;
if (1 in dense) result += 2;
if (3 in dense) result += 3;
if (-1000 in dense) result += 4;
if (i in denseHoles) result += 5;
if (1 in denseHoles) result += 6;
}
assertEq(result, 153);
}
test1();
function test2() {
var a = [1, 2, 3];
for (var i = 0; i < 70; i++) {
assertEq(-0 in a, true);
assertEq(Math.sqrt(4) in a, true);
assertEq(1.9 in a, false);
assertEq(NaN in a, false);
assertEq(Infinity in a, false);
}
}
test2();
function test3() {
var a = [1, , 3];
for (var i = 0; i < 70; i++) {
if (i == 60)
Object.prototype[1] = null;
assertEq(1 in a, i >= 60);
}
}
test3();
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