ladybird/Libraries/LibJS/Tests/Math-constants.js
2020-03-29 17:35:08 +02:00

28 lines
822 B
JavaScript

function assert(x) { if (!x) throw 1; }
// FIXME: The parser seems to have issues with decimals,
// so we multiply everything and compare with whole numbers.
// I.e. 1233 < X * 1000 < 1235 instead of 1.233 < X < 1.235
try {
// approx. 2.718
assert(2717 < Math.E * 1000 < 2719);
// approx. 0.693MATH
assert(692 < Math.LN2 * 1000 < 694);
// approx. 2.303
assert(2302 < Math.LN10 * 1000 < 2304);
// approx. 1.443
assert(1442 < Math.LOG2E * 1000 < 1444);
// approx. 0.434
assert(433 < Math.LOG10E * 1000 < 435);
// approx. 3.1415
assert(31414 < Math.PI * 10000 < 31416);
// approx. 0.707
assert(706 < Math.SQRT1_2 * 1000 < 708);
// approx. 1.414
assert(1413 < Math.SQRT2 * 1000 < 1415);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}