ladybird/Libraries/LibJS/Tests/builtins/BigInt/bigint-basic.js

load("test-common.js");

try {
  var bigint = 123n;

  assert(typeof bigint === "bigint");
  assert(-bigint === -123n);
  assert("" + bigint === "123");

  assertThrowsError(
    () => {
      +bigint;
    },
    {
      error: TypeError,
      message: "Cannot convert BigInt to number",
    }
  );

  assert(12n + 34n === 46n);
  assert(12n - 34n === -22n);
  assert(8n * 12n === 96n);
  assert(123n / 10n === 12n);
  assert(2n ** 3n === 8n);
  assert(5n % 3n === 2n);
  assert(
    45977665298704210987n +
      (714320987142450987412098743217984576n / 4598741987421098765327980n) * 987498743n ===
      199365500239020623962n
  );

  assert((12n & 5n) === 4n);
  assert((1n | 2n) === 3n);
  assert((5n ^ 3n) === 6n);
  assert(~1n === -2n);

  bigint = 1n;
  assert(bigint++ === 1n);
  assert(bigint === 2n);
  assert(bigint-- === 2n);
  assert(bigint === 1n);
  assert(++bigint === 2n);
  assert(bigint === 2n);
  assert(--bigint === 1n);
  assert(bigint === 1n);

  assert((1n == 1n) === true);
  assert((1n == 1) === true);
  assert((1 == 1n) === true);
  assert((1n == 1.23) === false);
  assert((1.23 == 1n) === false);

  assert((1n != 1n) === false);
  assert((1n != 1) === false);
  assert((1 != 1n) === false);
  assert((1n != 1.23) === true);
  assert((1.23 != 1n) === true);

  assert((1n === 1n) === true);
  assert((1n === 1) == false);
  assert((1 === 1n) === false);
  assert((1n === 1.23) === false);
  assert((1.23 === 1n) === false);

  assert((1n !== 1n) === false);
  assert((1n !== 1) === true);
  assert((1 !== 1n) === true);
  assert((1n !== 1.23) === true);
  assert((1.23 !== 1n) === true);

  console.log("PASS");
} catch (e) {
  console.log("FAIL: " + e);
}