from panda3d import core

def test_load_unload_page():
    var = core.ConfigVariableInt("test-var", 1)
    assert var.value == 1

    page = core.load_prc_file_data("test_load_unload_page", "test-var 2")
    assert page
    assert var.value == 2

    assert core.unload_prc_file(page)
    assert var.value == 1