fast-check
Version:
Property based testing framework for JavaScript (like QuickCheck)
83 lines (82 loc) • 2.71 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.createSlicesForStringLegacy = createSlicesForStringLegacy;
exports.createSlicesForString = createSlicesForString;
const globals_1 = require("../../../utils/globals");
const PatternsToString_1 = require("../mappers/PatternsToString");
const MaxLengthFromMinLength_1 = require("./MaxLengthFromMinLength");
const TokenizeString_1 = require("./TokenizeString");
const dangerousStrings = [
'__defineGetter__',
'__defineSetter__',
'__lookupGetter__',
'__lookupSetter__',
'__proto__',
'constructor',
'hasOwnProperty',
'isPrototypeOf',
'propertyIsEnumerable',
'toLocaleString',
'toString',
'valueOf',
'apply',
'arguments',
'bind',
'call',
'caller',
'length',
'name',
'prototype',
'key',
'ref',
];
function computeCandidateStringLegacy(dangerous, charArbitrary, stringSplitter) {
let candidate;
try {
candidate = stringSplitter(dangerous);
}
catch {
return undefined;
}
for (const entry of candidate) {
if (!charArbitrary.canShrinkWithoutContext(entry)) {
return undefined;
}
}
return candidate;
}
function createSlicesForStringLegacy(charArbitrary, stringSplitter) {
const slicesForString = [];
for (const dangerous of dangerousStrings) {
const candidate = computeCandidateStringLegacy(dangerous, charArbitrary, stringSplitter);
if (candidate !== undefined) {
(0, globals_1.safePush)(slicesForString, candidate);
}
}
return slicesForString;
}
const slicesPerArbitrary = new WeakMap();
function createSlicesForStringNoConstraints(charArbitrary) {
const slicesForString = [];
for (const dangerous of dangerousStrings) {
const candidate = (0, TokenizeString_1.tokenizeString)(charArbitrary, dangerous, 0, MaxLengthFromMinLength_1.MaxLengthUpperBound);
if (candidate !== undefined) {
(0, globals_1.safePush)(slicesForString, candidate);
}
}
return slicesForString;
}
function createSlicesForString(charArbitrary, constraints) {
let slices = (0, globals_1.safeGet)(slicesPerArbitrary, charArbitrary);
if (slices === undefined) {
slices = createSlicesForStringNoConstraints(charArbitrary);
(0, globals_1.safeSet)(slicesPerArbitrary, charArbitrary, slices);
}
const slicesForConstraints = [];
for (const slice of slices) {
if ((0, PatternsToString_1.patternsToStringUnmapperIsValidLength)(slice, constraints)) {
(0, globals_1.safePush)(slicesForConstraints, slice);
}
}
return slicesForConstraints;
}