core/tests/BoxTests.cpp

#include "tests/BoxTests.h"

#include "math/Box.h"
#include "test/Test.h"

static void testInit() {
    Core::Box box(Core::Vector3(1.0f, 2.0f, 3.0f));
    CORE_TEST_STRING("Box([0.00, 0.00, 0.00], [1.00, 2.00, 3.00])", box);
    CORE_TEST_STRING("[0.00, 0.00, 0.00]", box.getMin());
    CORE_TEST_STRING("[1.00, 2.00, 3.00]", box.getMax());

    box = Core::Box(Core::Vector3(-1.0f, -2.0f, -3.0f));
    CORE_TEST_STRING("Box([-1.00, -2.00, -3.00], [0.00, 0.00, 0.00])", box);
    CORE_TEST_STRING("[-1.00, -2.00, -3.00]", box.getMin());
    CORE_TEST_STRING("[0.00, 0.00, 0.00]", box.getMax());
}

static void testOffset() {
    Core::Box box(Core::Vector3(1.0f, 2.0f, 3.0f));
    CORE_TEST_STRING("Box([7.00, -4.00, 6.00], [8.00, -2.00, 9.00])",
                     box.offset(Core::Vector3(7.0f, -4.0f, 6.0f)));
}

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

    CORE_TEST_TRUE(boxC.collidesWith(boxA));
    CORE_TEST_TRUE(boxC.collidesWith(boxB));
    CORE_TEST_TRUE(boxA.collidesWith(boxC));
    CORE_TEST_TRUE(boxB.collidesWith(boxC));
    CORE_TEST_FALSE(boxA.collidesWith(boxB));
    CORE_TEST_FALSE(boxB.collidesWith(boxA));
}

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

static void testGrow() {
    Core::Box box(Core::Vector3(1.0f, 2.0f, 3.0f));
    CORE_TEST_STRING("Box([-2.00, -1.00, -3.00], [3.00, 3.00, 6.00])",
                     box.grow(Core::Vector3(4.0f, 2.0f, 6.0f)));
    CORE_TEST_STRING("Box([0.50, 1.00, 1.50], [0.50, 1.00, 1.50])",
                     box.grow(Core::Vector3(-4.0f, -2.0f, -6.0f)));
    CORE_TEST_STRING("Box([0.05, 1.00, 0.50], [0.95, 1.00, 2.50])",
                     box.grow(Core::Vector3(-0.1f, -4.0f, -1.0f)));
}

void Core::BoxTests::test() {
    testInit();
    testOffset();
    testCollidesWith();
    testExpand();
    testGrow();
}