core/test/modules/BoxTests.cpp

module Tests;

import Core.Box;
import Core.Test;
import Core.Vector;

using Core::Box;
using V3 = Core::Vector3;

static void testInit() {
    Box box(V3(1.0f, 2.0f, 3.0f));
    Core::testString("Box([0.00, 0.00, 0.00], [1.00, 2.00, 3.00])", box);
    Core::testString("[0.00, 0.00, 0.00]", box.getMin());
    Core::testString("[1.00, 2.00, 3.00]", box.getMax());
    box = Box(V3(-1.0f, -2.0f, -3.0f));
    Core::testString("Box([-1.00, -2.00, -3.00], [0.00, 0.00, 0.00])", box);
    Core::testString("[-1.00, -2.00, -3.00]", box.getMin());
    Core::testString("[0.00, 0.00, 0.00]", box.getMax());
}

static void testOffset() {
    Box box(V3(1.0f, 2.0f, 3.0f));
    box = box.offset(V3(7.0f, -4.0f, 6.0f));
    Core::testString("Box([7.00, -4.00, 6.00], [8.00, -2.00, 9.00])", box);
}

static void testCollidesWith() {
    Box boxA(V3(1.0f, 2.0f, 3.0f));
    Box boxB(V3(-1.0f, -2.0f, -3.0f));
    Box boxC(V3(2.0f, 2.0f, 2.0f));
    boxC = boxC.offset(V3(-1.0f, -1.0f, -1.0f));
    Core::testTrue(boxC.collidesWith(boxA));
    Core::testTrue(boxC.collidesWith(boxB));
    Core::testTrue(boxA.collidesWith(boxC));
    Core::testTrue(boxB.collidesWith(boxC));
    Core::testFalse(boxA.collidesWith(boxB));
    Core::testFalse(boxB.collidesWith(boxA));
}

static void testExpand() {
    Box box(V3(1.0f, 2.0f, 3.0f));
    box = box.expand(V3(7.0f, -4.0f, 6.0f));
    Core::testString("Box([0.00, -4.00, 0.00], [8.00, 2.00, 9.00])", box);
    box = Box(V3(1.0f, 2.0f, 3.0f));
    box = box.expand(V3(-7.0f, 4.0f, -6.0f));
    Core::testString("Box([-7.00, 0.00, -6.00], [1.00, 6.00, 3.00])", box);
}

static void testGrow() {
    Box box(V3(1.0f, 2.0f, 3.0f));
    Core::testString(
        "Box([-2.00, -1.00, -3.00], [3.00, 3.00, 6.00])",
        box.grow(V3(4.0f, 2.0f, 6.0f)));
    Core::testString(
        "Box([0.50, 1.00, 1.50], [0.50, 1.00, 1.50])",
        box.grow(V3(-4.0f, -2.0f, -6.0f)));
    Core::testString(
        "Box([0.05, 1.00, 0.50], [0.95, 1.00, 2.50])",
        box.grow(V3(-0.1f, -4.0f, -1.0f)));
}

void testBox() {
    testInit();
    testOffset();
    testCollidesWith();
    testExpand();
    testGrow();
}