ccore/test/modules/BoxTests.c

#include "../Tests.h"
#include "core/Box.h"

#define CV3(a, b, c) (&(CoreVector3){{a, b, c}})

static void testInit() {
    CoreBox box = {0};
    coreSetBox(&box, CV3(1.0f, 2.0f, 3.0f));
    char buffer[128];
    coreToStringBox(&box, buffer, sizeof(buffer));
    CORE_TEST_STRING("Box([0.000, 0.000, 0.000], [1.000, 2.000, 3.000])",
                     buffer);
    coreToStringV3(&box.min, buffer, sizeof(buffer));
    CORE_TEST_STRING("[0.000, 0.000, 0.000]", buffer);
    coreToStringV3(&box.max, buffer, sizeof(buffer));
    CORE_TEST_STRING("[1.000, 2.000, 3.000]", buffer);

    coreSetBox(&box, CV3(-1.0f, -2.0f, -3.0f));
    coreToStringBox(&box, buffer, sizeof(buffer));
    CORE_TEST_STRING("Box([-1.000, -2.000, -3.000], [0.000, 0.000, 0.000])",
                     buffer);
    coreToStringV3(&box.min, buffer, sizeof(buffer));
    CORE_TEST_STRING("[-1.000, -2.000, -3.000]", buffer);
    coreToStringV3(&box.max, buffer, sizeof(buffer));
    CORE_TEST_STRING("[0.000, 0.000, 0.000]", buffer);
}

static void testOffset() {
    CoreBox box = {0};
    coreSetBox(&box, CV3(1.0f, 2.0f, 3.0f));
    coreOffsetBox(&box, CV3(7.0f, -4.0f, 6.0f));
    char buffer[128];
    coreToStringBox(&box, buffer, sizeof(buffer));
    CORE_TEST_STRING("Box([7.000, -4.000, 6.000], [8.000, -2.000, 9.000])",
                     buffer);
}

static void testCollidesWith() {
    CoreBox boxA = {0};
    coreSetBox(&boxA, CV3(1.0f, 2.0f, 3.0f));
    CoreBox boxB = {0};
    coreSetBox(&boxB, CV3(-1.0f, -2.0f, -3.0f));
    CoreBox boxC = {0};
    coreSetBox(&boxC, CV3(2.0f, 2.0f, 2.0f));
    coreOffsetBox(&boxC, CV3(-1.0f, -1.0f, -1.0f));

    CORE_TEST_TRUE(coreCollidesWithBox(&boxC, &boxA));
    CORE_TEST_TRUE(coreCollidesWithBox(&boxC, &boxB));
    CORE_TEST_TRUE(coreCollidesWithBox(&boxA, &boxC));
    CORE_TEST_TRUE(coreCollidesWithBox(&boxB, &boxC));
    CORE_TEST_FALSE(coreCollidesWithBox(&boxA, &boxB));
    CORE_TEST_FALSE(coreCollidesWithBox(&boxB, &boxA));
}

static void testExpand() {
    CoreBox box = {0};
    coreSetBox(&box, CV3(1.0f, 2.0f, 3.0f));
    coreExpandBox(&box, CV3(7.0f, -4.0f, 6.0f));

    char buffer[128];
    coreToStringBox(&box, buffer, sizeof(buffer));
    CORE_TEST_STRING("Box([0.000, -4.000, 0.000], [8.000, 2.000, 9.000])",
                     buffer);

    coreSetBox(&box, CV3(1.0f, 2.0f, 3.0f));
    coreExpandBox(&box, CV3(-7.0f, 4.0f, -6.0f));
    coreToStringBox(&box, buffer, sizeof(buffer));
    CORE_TEST_STRING("Box([-7.000, 0.000, -6.000], [1.000, 6.000, 3.000])",
                     buffer);
}

static void testGrow() {
    CoreBox box = {0};
    coreSetBox(&box, CV3(1.0f, 2.0f, 3.0f));
    coreGrowBox(&box, CV3(4.0f, 2.0f, 6.0f));
    char buffer[128];
    coreToStringBox(&box, buffer, sizeof(buffer));
    CORE_TEST_STRING("Box([-2.000, -1.000, -3.000], [3.000, 3.000, 6.000])",
                     buffer);

    coreSetBox(&box, CV3(1.0f, 2.0f, 3.0f));
    coreGrowBox(&box, CV3(-4.0f, -2.0f, -6.0f));
    coreToStringBox(&box, buffer, sizeof(buffer));
    CORE_TEST_STRING("Box([0.500, 1.000, 1.500], [0.500, 1.000, 1.500])",
                     buffer);

    coreSetBox(&box, CV3(1.0f, 2.0f, 3.0f));
    coreGrowBox(&box, CV3(-0.1f, -4.0f, -1.0f));
    coreToStringBox(&box, buffer, sizeof(buffer));
    CORE_TEST_STRING("Box([0.050, 1.000, 0.500], [0.950, 1.000, 2.500])",
                     buffer);
}

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