File size: 1,238 Bytes
96af7c9 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 |
import { BigInt } from '../utils/globals.js';
import { BigIntArbitrary } from './_internals/BigIntArbitrary.js';
function buildCompleteBigIntConstraints(constraints) {
const DefaultPow = 256;
const DefaultMin = BigInt(-1) << BigInt(DefaultPow - 1);
const DefaultMax = (BigInt(1) << BigInt(DefaultPow - 1)) - BigInt(1);
const min = constraints.min;
const max = constraints.max;
return {
min: min !== undefined ? min : DefaultMin - (max !== undefined && max < BigInt(0) ? max * max : BigInt(0)),
max: max !== undefined ? max : DefaultMax + (min !== undefined && min > BigInt(0) ? min * min : BigInt(0)),
};
}
function extractBigIntConstraints(args) {
if (args[0] === undefined) {
return {};
}
if (args[1] === undefined) {
const constraints = args[0];
return constraints;
}
return { min: args[0], max: args[1] };
}
function bigInt(...args) {
const constraints = buildCompleteBigIntConstraints(extractBigIntConstraints(args));
if (constraints.min > constraints.max) {
throw new Error('fc.bigInt expects max to be greater than or equal to min');
}
return new BigIntArbitrary(constraints.min, constraints.max);
}
export { bigInt };
|