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Tests for diamondCorners and a lot of debugging

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This commit is contained in:
Eryn Wells 2018-11-10 15:33:12 -05:00
parent 6b6e317a9c
commit 045842c20a
2 changed files with 109 additions and 18 deletions
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50
Terrain2Tests/AlgorithmsTests.swift
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@ -9,9 +9,53 @@
import XCTest
@testable import Terrain2
public typealias Box = DiamondSquareAlgorithm.Box
public typealias Point = DiamondSquareAlgorithm.Box.Point
public typealias Size = DiamondSquareAlgorithm.Box.Size
fileprivate typealias Box = DiamondSquareAlgorithm.Box
fileprivate typealias Point = DiamondSquareAlgorithm.Point
fileprivate typealias Size = DiamondSquareAlgorithm.Size
class DiamondSquareAlgorithmTests: XCTestCase {
fileprivate let grid = Box(origin: Point(x: 0, y: 0), size: Size(w: 5, h: 5))
lazy var alg = {
DiamondSquareAlgorithm.Algorithm(grid: grid)
}()
func testDiamondCornersNorth() {
let corners = alg.diamondCorners(forPoint: Point(x: 2, y: 0), diamondSize: grid.size)
XCTAssertEqual(corners.count, 4)
XCTAssertEqual(corners[0], Point(x: 2, y: 2))
XCTAssertEqual(corners[1], Point(x: 0, y: 0))
XCTAssertEqual(corners[2], Point(x: 2, y: 2))
XCTAssertEqual(corners[3], Point(x: 4, y: 0))
}
func testDiamondCornersWest() {
let corners = alg.diamondCorners(forPoint: Point(x: 0, y: 2), diamondSize: grid.size)
XCTAssertEqual(corners.count, 4)
XCTAssertEqual(corners[0], Point(x: 0, y: 0))
XCTAssertEqual(corners[1], Point(x: 2, y: 2))
XCTAssertEqual(corners[2], Point(x: 0, y: 4))
XCTAssertEqual(corners[3], Point(x: 2, y: 2))
}
func testDiamondCornersSouth() {
let corners = alg.diamondCorners(forPoint: Point(x: 2, y: 4), diamondSize: grid.size)
XCTAssertEqual(corners.count, 4)
XCTAssertEqual(corners[0], Point(x: 2, y: 2))
XCTAssertEqual(corners[1], Point(x: 0, y: 4))
XCTAssertEqual(corners[2], Point(x: 2, y: 2))
XCTAssertEqual(corners[3], Point(x: 4, y: 4))
}
func testDiamondCornersEast() {
let corners = alg.diamondCorners(forPoint: Point(x: 4, y: 2), diamondSize: grid.size)
XCTAssertEqual(corners.count, 4)
XCTAssertEqual(corners[0], Point(x: 4, y: 0))
XCTAssertEqual(corners[1], Point(x: 2, y: 2))
XCTAssertEqual(corners[2], Point(x: 4, y: 4))
XCTAssertEqual(corners[3], Point(x: 2, y: 2))
}
}
class DiamondSquareBoxTests: XCTestCase {
fileprivate let box = Box(origin: Point(x: 3, y: 4), size: Size(w: 5, h: 5))