fast-check
Version:
Property based testing framework for JavaScript (like QuickCheck)
39 lines (38 loc) • 1.44 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.natToStringifiedNatMapper = natToStringifiedNatMapper;
exports.tryParseStringifiedNat = tryParseStringifiedNat;
exports.natToStringifiedNatUnmapper = natToStringifiedNatUnmapper;
const globals_1 = require("../../../utils/globals");
const safeNumberParseInt = Number.parseInt;
function natToStringifiedNatMapper(options) {
const [style, v] = options;
switch (style) {
case 'oct':
return `0${(0, globals_1.safeNumberToString)(v, 8)}`;
case 'hex':
return `0x${(0, globals_1.safeNumberToString)(v, 16)}`;
case 'dec':
default:
return `${v}`;
}
}
function tryParseStringifiedNat(stringValue, radix) {
const parsedNat = safeNumberParseInt(stringValue, radix);
if ((0, globals_1.safeNumberToString)(parsedNat, radix) !== stringValue) {
throw new Error('Invalid value');
}
return parsedNat;
}
function natToStringifiedNatUnmapper(value) {
if (typeof value !== 'string') {
throw new Error('Invalid type');
}
if (value.length >= 2 && value[0] === '0') {
if (value[1] === 'x') {
return ['hex', tryParseStringifiedNat((0, globals_1.safeSubstring)(value, 2), 16)];
}
return ['oct', tryParseStringifiedNat((0, globals_1.safeSubstring)(value, 1), 8)];
}
return ['dec', tryParseStringifiedNat(value, 10)];
}