PR3L-Uebung-VectorSelf/tests.zig

const std = @import("std");
const expect = std.testing.expect;

const Vec3 = @import("vector.zig").Vec3(u64);


test "Addition" {
    var vec1: Vec3 = undefined;
    var vec2: Vec3 = undefined;

    vec1.init(2, 4, 3);
    vec2.init(20, 43, 12);

    vec1.add(vec2);

    try expect(vec1.x == 22);
    try expect(vec1.y == 47);
    try expect(vec1.z == 15);

    var vecResult: Vec3 = undefined;
    vecResult.init(22, 47, 15);

    try expect(vec1.comp(vecResult));
}

test "Subtraction" {
    var vec1: Vec3 = undefined;
    var vec2: Vec3 = undefined;

    vec1.init(20, 43, 12);
    vec2.init(10, 23, 2);
    
    vec1.sub(vec2);
    
    try expect(vec1.x == 10);
    try expect(vec1.y == 20);
    try expect(vec1.z == 10);

    var vecResult: Vec3 = undefined;
    vecResult.init(10, 20, 10);

    try expect(vec1.comp(vecResult));
}

test "Scalar multiplication" {
    var vec1: Vec3 = undefined;

    vec1.init(20, 43, 12);
    const scalar: u64 = 5;

    vec1.mul(scalar);

    try expect(vec1.x == 100);
    try expect(vec1.y == 215);
    try expect(vec1.z == 60);

    var vecResult: Vec3 = undefined;
    vecResult.init(100, 215, 60);

    try expect(vec1.comp(vecResult));
}

test "Scalar product" {
    var vec1: Vec3 = undefined;
    var vec2: Vec3 = undefined;

    vec1.init(7, 16, 12);
    vec2.init(10, 4, 0);

    const result: u64 = vec1.prod(vec2);

    try expect(result == 134);
}