gaming-core/tests/BoxTests.cpp

#include "tests/BoxTests.h"
#include "math/Box.h"
#include "tests/Test.h"
#include "utils/StringBuffer.h"

typedef StringBuffer<250> String;

static void testInit(Test& test) {
    Box box(Vector3(1.0f, 2.0f, 3.0f));
    test.checkEqual(String("Box([0.00, 0.00, 0.00], [1.00, 2.00, 3.00])"),
                    String(box), "init 1");
    test.checkEqual(String("[0.00, 0.00, 0.00]"), String(box.getMin()),
                    "get min 1");
    test.checkEqual(String("[1.00, 2.00, 3.00]"), String(box.getMax()),
                    "get max 1");

    box = Box(Vector3(-1.0f, -2.0f, -3.0f));
    test.checkEqual(String("Box([-1.00, -2.00, -3.00], [0.00, 0.00, 0.00])"),
                    String(box), "init 2");
    test.checkEqual(String("[-1.00, -2.00, -3.00]"), String(box.getMin()),
                    "get min 2");
    test.checkEqual(String("[0.00, 0.00, 0.00]"), String(box.getMax()),
                    "get max 2");
}

static void testOffset(Test& test) {
    Box box(Vector3(1.0f, 2.0f, 3.0f));
    test.checkEqual(String("Box([7.00, -4.00, 6.00], [8.00, -2.00, 9.00])"),
                    String(box.offset(Vector3(7.0f, -4.0f, 6.0f))), "expand");
}

static void testCollidesWith(Test& test) {
    Box boxA(Vector3(1.0f, 2.0f, 3.0f));
    Box boxB(Vector3(-1.0f, -2.0f, -3.0f));
    Box boxC(Vector3(2.0f, 2.0f, 2.0f));
    boxC = boxC.offset(Vector3(-1.0f, -1.0f, -1.0f));

    test.checkTrue(boxC.collidesWith(boxA), "collides with 1");
    test.checkTrue(boxC.collidesWith(boxB), "collides with 2");
    test.checkTrue(boxA.collidesWith(boxC), "collides with 3");
    test.checkTrue(boxB.collidesWith(boxC), "collides with 4");
    test.checkFalse(boxA.collidesWith(boxB), "collides with 5");
    test.checkFalse(boxB.collidesWith(boxA), "collides with 6");
}

static void testExpand(Test& test) {
    Box box(Vector3(1.0f, 2.0f, 3.0f));
    test.checkEqual(String("Box([0.00, -4.00, 0.00], [8.00, 2.00, 9.00])"),
                    String(box.expand(Vector3(7.0f, -4.0f, 6.0f))), "expand");
    test.checkEqual(String("Box([-7.00, 0.00, -6.00], [1.00, 6.00, 3.00])"),
                    String(box.expand(Vector3(-7.0f, 4.0f, -6.0f))), "expand");
}

static void testGrow(Test& test) {
    Box box(Vector3(1.0f, 2.0f, 3.0f));
    test.checkEqual(String("Box([-2.00, -1.00, -3.00], [3.00, 3.00, 6.00])"),
                    String(box.grow(Vector3(4.0f, 2.0f, 6.0f))), "expand");
    test.checkEqual(String("Box([0.50, 1.00, 1.50], [0.50, 1.00, 1.50])"),
                    String(box.grow(Vector3(-4.0f, -2.0f, -6.0f))), "expand");
    test.checkEqual(String("Box([0.05, 1.00, 0.50], [0.95, 1.00, 2.50])"),
                    String(box.grow(Vector3(-0.1f, -4.0f, -1.0f))), "expand");
}

void BoxTests::test() {
    Test test("Box");
    testInit(test);
    testOffset(test);
    testCollidesWith(test);
    testExpand(test);
    testGrow(test);
    test.finalize();
}