scriptc/tests/corpus/speculative-integer-globals.ts

// Module-level numbers accumulated by top-level loops: calls in the loop
// read them while the loop keeps them as integers, and sums that leave
// the safe integers continue as doubles.

let total: number = 0;
let calls: number = 0;
let big: number = 9007199254740000;

function peek(): number {
  calls++;
  return total;
}

for (let i: number = 0; i < 1000; i++) {
  total = total + (i % 7);
  if (total < 0) break;
  if (i % 250 === 0) console.log("peek", peek());
}
console.log("total", total, "calls", calls);

for (let i: number = 0; i < 3000; i++) {
  big += i;
  if (big % 7 === -1) break;
}
console.log("big", big, Number.isSafeInteger(big));

let product: number = 1;
let rounds: number = 0;
while (rounds < 70) {
  product = product * 3;
  rounds++;
}
console.log("product", product);

let zero: number = 1;
for (let i: number = 0; i < 2; i++) zero = zero * -0;
console.log("zero", Object.is(zero, -0));

let mixed: number = 10;
for (let i: number = 0; i < 6; i++) {
  mixed = mixed - 3;
  mixed = mixed * 2;
}
console.log("mixed", mixed);

let found: number = 0;
for (let i: number = 0; i < 100; i++) {
  found = found + i * i;
  if (found > 1000) break;
}
console.log("found", found);

let acc: number = 1;
let steps: number = 0;
while (true) {
  acc = acc * 7;
  steps++;
  if (steps > 30) break;
}
console.log("acc", acc, steps);

let countdown: number = 5;
do {
  countdown = countdown - 2;
} while (countdown > -3);
console.log("countdown", countdown);