Add unit tests for role middleware

node_modules/pure-rand/lib/esm/distribution/internals/ArrayInt.js

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+export function addArrayIntToNew(arrayIntA, arrayIntB) {
+    if (arrayIntA.sign !== arrayIntB.sign) {
+        return substractArrayIntToNew(arrayIntA, { sign: -arrayIntB.sign, data: arrayIntB.data });
+    }
+    var data = [];
+    var reminder = 0;
+    var dataA = arrayIntA.data;
+    var dataB = arrayIntB.data;
+    for (var indexA = dataA.length - 1, indexB = dataB.length - 1; indexA >= 0 || indexB >= 0; --indexA, --indexB) {
+        var vA = indexA >= 0 ? dataA[indexA] : 0;
+        var vB = indexB >= 0 ? dataB[indexB] : 0;
+        var current = vA + vB + reminder;
+        data.push(current >>> 0);
+        reminder = ~~(current / 0x100000000);
+    }
+    if (reminder !== 0) {
+        data.push(reminder);
+    }
+    return { sign: arrayIntA.sign, data: data.reverse() };
+}
+export function addOneToPositiveArrayInt(arrayInt) {
+    arrayInt.sign = 1;
+    var data = arrayInt.data;
+    for (var index = data.length - 1; index >= 0; --index) {
+        if (data[index] === 0xffffffff) {
+            data[index] = 0;
+        }
+        else {
+            data[index] += 1;
+            return arrayInt;
+        }
+    }
+    data.unshift(1);
+    return arrayInt;
+}
+function isStrictlySmaller(dataA, dataB) {
+    var maxLength = Math.max(dataA.length, dataB.length);
+    for (var index = 0; index < maxLength; ++index) {
+        var indexA = index + dataA.length - maxLength;
+        var indexB = index + dataB.length - maxLength;
+        var vA = indexA >= 0 ? dataA[indexA] : 0;
+        var vB = indexB >= 0 ? dataB[indexB] : 0;
+        if (vA < vB)
+            return true;
+        if (vA > vB)
+            return false;
+    }
+    return false;
+}
+export function substractArrayIntToNew(arrayIntA, arrayIntB) {
+    if (arrayIntA.sign !== arrayIntB.sign) {
+        return addArrayIntToNew(arrayIntA, { sign: -arrayIntB.sign, data: arrayIntB.data });
+    }
+    var dataA = arrayIntA.data;
+    var dataB = arrayIntB.data;
+    if (isStrictlySmaller(dataA, dataB)) {
+        var out = substractArrayIntToNew(arrayIntB, arrayIntA);
+        out.sign = -out.sign;
+        return out;
+    }
+    var data = [];
+    var reminder = 0;
+    for (var indexA = dataA.length - 1, indexB = dataB.length - 1; indexA >= 0 || indexB >= 0; --indexA, --indexB) {
+        var vA = indexA >= 0 ? dataA[indexA] : 0;
+        var vB = indexB >= 0 ? dataB[indexB] : 0;
+        var current = vA - vB - reminder;
+        data.push(current >>> 0);
+        reminder = current < 0 ? 1 : 0;
+    }
+    return { sign: arrayIntA.sign, data: data.reverse() };
+}
+export function trimArrayIntInplace(arrayInt) {
+    var data = arrayInt.data;
+    var firstNonZero = 0;
+    for (; firstNonZero !== data.length && data[firstNonZero] === 0; ++firstNonZero) { }
+    if (firstNonZero === data.length) {
+        arrayInt.sign = 1;
+        arrayInt.data = [0];
+        return arrayInt;
+    }
+    data.splice(0, firstNonZero);
+    return arrayInt;
+}