blob: f4fee46310ee104512b6d912114e22000e822c0c [file] [log] [blame]
function shouldBe(actual, expected) {
if (actual !== expected)
throw new Error('bad value: ' + actual);
}
function shouldThrow(func, errorMessage) {
var errorThrown = false;
var error = null;
try {
func();
} catch (e) {
errorThrown = true;
error = e;
}
if (!errorThrown)
throw new Error('not thrown');
if (String(error) !== errorMessage)
throw new Error(`bad error: ${String(error)}`);
}
shouldThrow(() => {
BigInt.asIntN(-1, 0n)
}, `RangeError: number of bits cannot be negative`);
{
let toIndex = false;
let toBigInt = false;
let index = {
[Symbol.toPrimitive]() {
shouldBe(toIndex, false);
shouldBe(toBigInt, false);
toIndex = true;
return 32;
}
};
let bigint = {
[Symbol.toPrimitive]() {
shouldBe(toIndex, true);
shouldBe(toBigInt, false);
toBigInt = true;
return 10n;
}
}
shouldBe(BigInt.asIntN(index, bigint), 10n);
shouldBe(toIndex, true);
shouldBe(toBigInt, true);
}
shouldBe(BigInt.asIntN(-0, 0n), 0n);
shouldBe(BigInt.asIntN(0, 0n), 0n);
shouldBe(BigInt.asIntN(1, 0n), 0n);
shouldBe(BigInt.asIntN(2, 0n), 0n);
shouldBe(BigInt.asIntN(3, 0n), 0n);
shouldBe(BigInt.asIntN(0, 1n), 0n);
shouldBe(BigInt.asIntN(1, 1n), -1n);
shouldBe(BigInt.asIntN(2, 1n), 1n);
shouldBe(BigInt.asIntN(3, 1n), 1n);
shouldBe(BigInt.asIntN(30, 0x7fffffffn), -1n);
shouldBe(BigInt.asIntN(31, 0x7fffffffn), -1n);
shouldBe(BigInt.asIntN(32, 0x7fffffffn), 2147483647n);
shouldBe(BigInt.asIntN(33, 0x7fffffffn), 2147483647n);
shouldBe(BigInt.asIntN(34, 0x7fffffffn), 2147483647n);
shouldBe(BigInt.asIntN(30, 0x80000000n), 0n);
shouldBe(BigInt.asIntN(31, 0x80000000n), 0n);
shouldBe(BigInt.asIntN(32, 0x80000000n), -2147483648n);
shouldBe(BigInt.asIntN(33, 0x80000000n), 2147483648n);
shouldBe(BigInt.asIntN(34, 0x80000000n), 2147483648n);
shouldBe(BigInt.asIntN(30, -0x80000000n), 0n);
shouldBe(BigInt.asIntN(31, -0x80000000n), 0n);
shouldBe(BigInt.asIntN(32, -0x80000000n), -2147483648n);
shouldBe(BigInt.asIntN(33, -0x80000000n), -2147483648n);
shouldBe(BigInt.asIntN(34, -0x80000000n), -2147483648n);
shouldBe(BigInt.asIntN(30, -0x80000001n), -1n);
shouldBe(BigInt.asIntN(31, -0x80000001n), -1n);
shouldBe(BigInt.asIntN(32, -0x80000001n), 2147483647n);
shouldBe(BigInt.asIntN(33, -0x80000001n), -2147483649n);
shouldBe(BigInt.asIntN(34, -0x80000001n), -2147483649n);
shouldBe(BigInt.asIntN(62, 0x7fffffffffffffffn), -1n);
shouldBe(BigInt.asIntN(63, 0x7fffffffffffffffn), -1n);
shouldBe(BigInt.asIntN(64, 0x7fffffffffffffffn), 9223372036854775807n);
shouldBe(BigInt.asIntN(65, 0x7fffffffffffffffn), 9223372036854775807n);
shouldBe(BigInt.asIntN(66, 0x7fffffffffffffffn), 9223372036854775807n);
shouldBe(BigInt.asIntN(62, 0x8000000000000000n), 0n);
shouldBe(BigInt.asIntN(63, 0x8000000000000000n), 0n);
shouldBe(BigInt.asIntN(64, 0x8000000000000000n), -9223372036854775808n);
shouldBe(BigInt.asIntN(65, 0x8000000000000000n), 9223372036854775808n);
shouldBe(BigInt.asIntN(66, 0x8000000000000000n), 9223372036854775808n);
shouldBe(BigInt.asIntN(62, -0x800000000000000n), -576460752303423488n);
shouldBe(BigInt.asIntN(63, -0x800000000000000n), -576460752303423488n);
shouldBe(BigInt.asIntN(64, -0x800000000000000n), -576460752303423488n);
shouldBe(BigInt.asIntN(65, -0x800000000000000n), -576460752303423488n);
shouldBe(BigInt.asIntN(66, -0x800000000000000n), -576460752303423488n);
shouldBe(BigInt.asIntN(62, -0x800000000000001n), -576460752303423489n);
shouldBe(BigInt.asIntN(63, -0x800000000000001n), -576460752303423489n);
shouldBe(BigInt.asIntN(64, -0x800000000000001n), -576460752303423489n);
shouldBe(BigInt.asIntN(65, -0x800000000000001n), -576460752303423489n);
shouldBe(BigInt.asIntN(66, -0x800000000000001n), -576460752303423489n);