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Contents
'use strict';
var Palindromes = require('./palindrome-products');
describe('Palindrome', function () {
it('largest palindrome from single digit factors', function () {
var palindromes = new Palindromes({maxFactor: 9});
palindromes.generate();
var largest = palindromes.largest();
expect(largest.value).toEqual(9);
var orderedLargestFactors = largest.factors.sort(
function (a, b) { return a[0] > b[0]; }
);
expect(orderedLargestFactors).toEqual([[1, 9], [3, 3]]);
});
xit('largest palindrome from double digit factors', function () {
var palindromes = new Palindromes({ maxFactor: 99, minFactor: 10 });
palindromes.generate();
var largest = palindromes.largest();
expect(largest.value).toEqual(9009);
expect(largest.factors).toEqual([[91, 99]]);
});
xit('smallest palindrome from double digit factors', function () {
var palindromes = new Palindromes({ maxFactor: 99, minFactor: 10 });
palindromes.generate();
var smallest = palindromes.smallest();
expect(smallest.value).toEqual(121);
expect(smallest.factors).toEqual([[11, 11]]);
});
xit('largest palindrome from triple digit factors', function () {
var palindromes = new Palindromes({ maxFactor: 999, minFactor: 100 });
palindromes.generate();
var largest = palindromes.largest();
expect(largest.value).toEqual(906609);
expect(largest.factors).toEqual([[913, 993]]);
});
xit('smallest palindrome from triple digit factors', function () {
var palindromes = new Palindromes({ maxFactor: 999, minFactor: 100 });
palindromes.generate();
var smallest = palindromes.smallest();
expect(smallest.value).toEqual(10201);
expect(smallest.factors).toEqual([[101, 101]]);
});
});
Version data entries
141 entries across 141 versions & 1 rubygems