three-dee/Math/MathTests/MatrixTests.swift

108 lines
2.5 KiB
Swift

//
// MathTests.swift
// MathTests
//
// Created by Eryn Wells on 10/28/15.
// Copyright © 2015 Eryn Wells. All rights reserved.
//
import XCTest
@testable import Math
class Matrix4Tests: XCTestCase {
func testThatItHasProperDimension() {
XCTAssertEqual(Matrix4.dimension, 4)
}
func testThatItHasProperCount() {
XCTAssertEqual(Matrix4.count, 16)
XCTAssertEqual(Matrix4().data.count, Matrix4.count)
}
}
class Matrix4SubscriptTests: XCTestCase {
var m: Matrix4! = nil
override func setUp() {
do {
m = try Matrix4(values: [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15])
} catch {
XCTFail()
}
}
func testThatSingleSubscriptWorks() {
for i in 0..<Matrix4.count {
XCTAssertEqual(m[i], m.data[i])
}
}
func testThatRowColumnSubscriptWorks() {
var value: Int = 0
for i in 0..<Matrix4.dimension {
for j in 0..<Matrix4.dimension {
XCTAssertEqual(m[i,j], Float(value++))
}
}
}
func testThatSingleSubscriptAssignmentWorks() {
m[6] = 42.0
XCTAssertEqual(m[6], 42.0)
}
func testThatRowColumnSubscriptAssignmentWorks() {
m[1,2] = 42.0
XCTAssertEqual(m[1,2], 42.0)
}
}
class Matrix3Tests: XCTestCase {
func testThatItHasProperDimension() {
XCTAssertEqual(Matrix3.dimension, 3)
}
func testThatItHasProperCount() {
XCTAssertEqual(Matrix3.count, 9)
XCTAssertEqual(Matrix3().data.count, Matrix3.count)
}
}
class Matrix3SubscriptTests: XCTestCase {
var m: Matrix3! = nil
override func setUp() {
m = Matrix3()
for i in 0..<Matrix3.count {
m[i] = Float(i)
}
}
func testThatSingleSubscriptWorks() {
for i in 0..<Matrix3.count {
XCTAssertEqual(m[i], m.data[i])
}
}
func testThatRowColumnSubscriptWorks() {
XCTAssertEqual(m[0,0], m.data[0])
XCTAssertEqual(m[0,1], m.data[1])
XCTAssertEqual(m[0,2], m.data[2])
XCTAssertEqual(m[1,0], m.data[3])
XCTAssertEqual(m[1,1], m.data[4])
XCTAssertEqual(m[1,2], m.data[5])
XCTAssertEqual(m[2,0], m.data[6])
XCTAssertEqual(m[2,1], m.data[7])
XCTAssertEqual(m[2,2], m.data[8])
}
func testThatSingleSubscriptAssignmentWorks() {
m[6] = 42.0
XCTAssertEqual(m[6], 42.0)
}
func testThatRowColumnSubscriptAssignmentWorks() {
m[1,2] = 42.0
XCTAssertEqual(m[1,2], 42.0)
}
}