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Contents
#if swift(>=3.0)
import XCTest
#endif
class PalindromeProductsTest: XCTestCase {
func testLargestPalindromeFromSingleDigitFactors() {
let palindromes = PalindromeProducts(maxFactor: 9)
let largest = palindromes.largest
XCTAssertEqual(9, largest.value)
XCTAssertTrue(Set([1, 9]) == Set(largest.factor) || Set([3, 3]) == Set(largest.factor) )
}
func testLargestPalindromeFromDoubleDigitFactors() {
let palindromes = PalindromeProducts(maxFactor: 99, minFactor: 10)
let largest = palindromes.largest
XCTAssertEqual(9009, largest.value)
XCTAssertEqual(Set([91, 99]), Set(largest.factor))
}
func testSmallestPalindromeFromDoubleDigitFactors() {
let palindromes = PalindromeProducts(maxFactor: 99, minFactor: 10)
let smallest = palindromes.smallest
XCTAssertEqual(121, smallest.value)
XCTAssertEqual(Set([11, 11]), Set(smallest.factor))
}
func testLargestPalindromeFromTripleDigitFactors() {
let palindromes = PalindromeProducts(maxFactor: 999, minFactor: 100)
let largest = palindromes.largest
XCTAssertEqual(906_609, largest.value)
XCTAssertEqual(Set([913, 993]), Set(largest.factor))
}
func testSmallestPalindromeFromTripleDigitFactors() {
let palindromes = PalindromeProducts(maxFactor: 999, minFactor: 100)
let smallest = palindromes.smallest
XCTAssertEqual(10_201, smallest.value)
XCTAssertEqual(Set([101, 101]), Set(smallest.factor))
}
}
Version data entries
71 entries across 71 versions & 1 rubygems