gaming-core/tests/ComponentsTests.cpp

#include "tests/ComponentsTests.h"
#include "ecs/Components.h"
#include "tests/Test.h"

typedef Components<int> IntComponent;

static void testAddForEach(Test& test) {
    IntComponent c;
    c.add(1, 10);
    c.add(5, 20);
    c.add(10, 30);

    auto iter = c.entities();
    auto pos = iter.begin();
    auto end = iter.end();

    test.checkEqual(1u, (*pos).entity, "contains added entity 1");
    test.checkEqual(10, (*pos).component, "contains added component 1");
    test.checkEqual(true, pos != end, "not at end 1");

    ++pos;

    test.checkEqual(5u, (*pos).entity, "contains added entity 2");
    test.checkEqual(20, (*pos).component, "contains added component 2");
    test.checkEqual(true, pos != end, "not at end 2");

    ++pos;

    test.checkEqual(10u, (*pos).entity, "contains added entity 3");
    test.checkEqual(30, (*pos).component, "contains added component 3");
    test.checkEqual(true, pos != end, "not at end 3");

    ++pos;

    test.checkEqual(false, pos != end, "at end");
}

static void testRemove(Test& test) {
    IntComponent c;
    c.add(1, 10);
    c.add(5, 20);
    c.add(10, 30);

    c.remove(20);
    c.remove(5);
    c.remove(30);

    int* i1 = c.search(1);
    int* i2 = c.search(5);
    int* i3 = c.search(10);

    test.checkEqual(true, i1 != nullptr, "remove 1");
    test.checkEqual(true, i2 == nullptr, "remove 2");
    test.checkEqual(true, i3 != nullptr, "remove 3");

    test.checkEqual(10, *i1, "remove 4");
    test.checkEqual(30, *i3, "remove 5");

    c.remove(10);

    i1 = c.search(1);
    i2 = c.search(5);
    i3 = c.search(10);

    test.checkEqual(true, i1 != nullptr, "remove 6");
    test.checkEqual(true, i2 == nullptr, "remove 7");
    test.checkEqual(true, i3 == nullptr, "remove 8");

    test.checkEqual(10, *i1, "remove 9");

    c.remove(1);

    i1 = c.search(1);
    i2 = c.search(5);
    i3 = c.search(10);

    test.checkEqual(true, i1 == nullptr, "remove 10");
    test.checkEqual(true, i2 == nullptr, "remove 11");
    test.checkEqual(true, i3 == nullptr, "remove 12");
}

void ComponentsTests::test() {
    Test test("Components");
    testAddForEach(test);
    testRemove(test);
    test.finalize();
}