Sha256: 2ae8fc4a658c68b90c7d1087542a6a81e9ec0a3481a81b166055f9d065ca4683
Contents?: true
Size: 1.63 KB
Versions: 325
Compression:
Stored size: 1.63 KB
Contents
import XCTest
@testable import PascalsTriangle
private extension XCTest {
func XCTAssertEqualMultiArray(_ aArray1: [[Int]], _ aArray2: [[Int]]) {
XCTAssertEqual(Array(aArray1.joined()), Array(aArray2.joined()))
}
}
class PascalsTriangleTests: XCTestCase {
func testOneRow() {
let triangle = PascalsTriangle(1)
XCTAssertEqualMultiArray([[1]], triangle.rows)
}
func testTwoRows() {
let triangle = PascalsTriangle(2)
XCTAssertEqualMultiArray([[1], [1, 1]], triangle.rows)
}
func testThreeRows() {
let triangle = PascalsTriangle(3)
XCTAssertEqualMultiArray([[1], [1, 1], [1, 2, 1]], triangle.rows)
}
func testFourthRow() {
let triangle = PascalsTriangle(4)
XCTAssertEqual([1, 3, 3, 1], triangle.rows.last!)
}
func testFifthRow() {
let triangle = PascalsTriangle(5)
XCTAssertEqual([1, 4, 6, 4, 1], triangle.rows.last!)
}
func testTwentiethRow() {
let triangle = PascalsTriangle(20)
let expected = [
1, 19, 171, 969, 3876, 11_628, 27_132, 50_388, 75_582, 92_378, 92_378,
75_582, 50_388, 27_132, 11_628, 3876, 969, 171, 19, 1
]
XCTAssertEqual(expected, triangle.rows.last!)
}
static var allTests: [(String, (PascalsTriangleTests) -> () throws -> Void)] {
return [
("testOneRow", testOneRow),
("testTwoRows", testTwoRows),
("testThreeRows", testThreeRows),
("testFourthRow", testFourthRow),
("testFifthRow", testFifthRow),
("testTwentiethRow", testTwentiethRow),
]
}
}
Version data entries
325 entries across 325 versions & 1 rubygems