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LibJS: Add Number.isSafeInteger()

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Linus Groh 2020-04-07 18:06:44 +01:00 • committed by Andreas Kling
parent b7032b4972
commit 5ecc7e6a1c
3 changed files with 45 additions and 3 deletions
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26
Libraries/LibJS/Tests/Number.isSafeInteger.js Normal file
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try {
assert(Number.isSafeInteger.length === 1);
assert(Number.isSafeInteger(0) === true);
assert(Number.isSafeInteger(1) === true);
assert(Number.isSafeInteger(2.0) === true);
assert(Number.isSafeInteger(42) === true);
assert(Number.isSafeInteger(Number.MAX_SAFE_INTEGER) === true);
assert(Number.isSafeInteger(Number.MIN_SAFE_INTEGER) === true);
assert(Number.isSafeInteger() === false);
assert(Number.isSafeInteger("1") === false);
assert(Number.isSafeInteger(2.1) === false);
assert(Number.isSafeInteger(42.42) === false);
assert(Number.isSafeInteger("") === false);
assert(Number.isSafeInteger([]) === false);
assert(Number.isSafeInteger(null) === false);
assert(Number.isSafeInteger(undefined) === false);
assert(Number.isSafeInteger(NaN) === false);
assert(Number.isSafeInteger(Infinity) === false);
assert(Number.isSafeInteger(-Infinity) === false);
assert(Number.isSafeInteger(Number.MAX_SAFE_INTEGER + 1) === false);
assert(Number.isSafeInteger(Number.MIN_SAFE_INTEGER - 1) === false);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e.message);
}