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Tests for side midpoints; move BFS test to BoxTests

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This commit is contained in:
Eryn Wells 2018-11-10 12:54:34 -05:00
parent 48425d5cb8
commit c62ae41fc0
1 changed files with 52 additions and 21 deletions
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73
Terrain2Tests/AlgorithmsTests.swift
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@ -13,7 +13,25 @@ public typealias Box = DiamondSquareAlgorithm.Box
public typealias Point = DiamondSquareAlgorithm.Box.Point public typealias Point = DiamondSquareAlgorithm.Box.Point
public typealias Size = DiamondSquareAlgorithm.Box.Size public typealias Size = DiamondSquareAlgorithm.Box.Size
class DiamondSquareBFSTests: XCTestCase { class DiamondSquareBoxTests: XCTestCase {
func testMidpoint() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let midpoint = box.midpoint
XCTAssertEqual(midpoint.x, 6)
XCTAssertEqual(midpoint.y, 7)
}
func testSubdivision() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let subdivs = box.subdivisions
XCTAssertEqual(subdivs.count, 4)
XCTAssertEqual(subdivs[0], Box(origin: (x: 3, y: 4), size: (w: 3, h: 3)))
XCTAssertEqual(subdivs[1], Box(origin: (x: 6, y: 4), size: (w: 3, h: 3)))
XCTAssertEqual(subdivs[2], Box(origin: (x: 3, y: 7), size: (w: 3, h: 3)))
XCTAssertEqual(subdivs[3], Box(origin: (x: 6, y: 7), size: (w: 3, h: 3)))
}
func testBFS() { func testBFS() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5)) let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
var expectedBoxes: [Box] = [ var expectedBoxes: [Box] = [
@ -42,7 +60,7 @@ class DiamondSquareBFSTests: XCTestCase {
Box(origin: (x: 8, y: 7), size: (w: 2, h: 2)), Box(origin: (x: 8, y: 7), size: (w: 2, h: 2)),
Box(origin: (x: 6, y: 9), size: (w: 2, h: 2)), Box(origin: (x: 6, y: 9), size: (w: 2, h: 2)),
Box(origin: (x: 8, y: 9), size: (w: 2, h: 2)), Box(origin: (x: 8, y: 9), size: (w: 2, h: 2)),
].reversed() ].reversed()
box.breadthFirstSearch { (box: Box) -> (Void) in box.breadthFirstSearch { (box: Box) -> (Void) in
let exBox = expectedBoxes.popLast() let exBox = expectedBoxes.popLast()
@ -51,9 +69,39 @@ class DiamondSquareBFSTests: XCTestCase {
} }
XCTAssertEqual(expectedBoxes.count, 0) XCTAssertEqual(expectedBoxes.count, 0)
} }
}
class DiamondSquareBoxTests: XCTestCase { // MARK: Sides
func testNorth() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let pt = box.north
XCTAssertEqual(pt.x, 6)
XCTAssertEqual(pt.y, 4)
}
func testWest() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let pt = box.west
XCTAssertEqual(pt.x, 3)
XCTAssertEqual(pt.y, 7)
}
func testSouth() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let pt = box.south
XCTAssertEqual(pt.x, 6)
XCTAssertEqual(pt.y, 9)
}
func testEast() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let pt = box.east
XCTAssertEqual(pt.x, 8)
XCTAssertEqual(pt.y, 7)
}
// MARK: Corners
func testNorthwest() { func testNorthwest() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5)) let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let pt = box.northwest let pt = box.northwest
@ -81,21 +129,4 @@ class DiamondSquareBoxTests: XCTestCase {
XCTAssertEqual(pt.x, 8) XCTAssertEqual(pt.x, 8)
XCTAssertEqual(pt.y, 9) XCTAssertEqual(pt.y, 9)
} }
func testMidpoint() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let midpoint = box.midpoint
XCTAssertEqual(midpoint.x, 6)
XCTAssertEqual(midpoint.y, 7)
}
func testSubdivision() {
let box = Box(origin: (x: 3, y: 4), size: (w: 5, h: 5))
let subdivs = box.subdivisions
XCTAssertEqual(subdivs.count, 4)
XCTAssertEqual(subdivs[0], Box(origin: (x: 3, y: 4), size: (w: 3, h: 3)))
XCTAssertEqual(subdivs[1], Box(origin: (x: 6, y: 4), size: (w: 3, h: 3)))
XCTAssertEqual(subdivs[2], Box(origin: (x: 3, y: 7), size: (w: 3, h: 3)))
XCTAssertEqual(subdivs[3], Box(origin: (x: 6, y: 7), size: (w: 3, h: 3)))
}
} }