use squares_rnd::{KEY, Rand};

#[test]
fn verify_u32() {
    let expected = [
        3352654702u32,
        4074910648,
        2177904447,
        3591997784,
        309172526,
        14118540,
        1376456388,
        1817611776,
        2658708129,
        3816631332,
        2074957304,
        1197607180,
        3382851809,
        4630807,
        969366713,
        1214429827,
        1551357583,
        964614781,
        885797288,
        228455009,
        3795099028,
        2846967822,
        860132314,
        2417913545,
        549388739,
        1054086960,
        3198953764,
        1017529211,
        4071162903,
        1860614063,
        976680366,
        2474148318,
        2555832691,
        5746874,
        2213997678,
        4127664552,
        1824987508,
        2003555489,
        669285426,
        1956273251,
        1331312278,
        384168544,
        767219735,
        1703125500,
        1151964577,
        1451362376,
        786830311,
        3007546033,
        1978998827,
        3677699848,
        1875248042,
        3251648427,
        2883285475,
        1388411661,
        3702855681,
        1686575763,
        3869385310,
        1786705876,
        1811588117,
        1271892253,
        3435479074,
        2806725047,
        1987296021,
        4264790073,
        3869965352,
        1668365357,
        1992522618,
        2590424441,
        2063541441,
        1566680018,
        3094852598,
        3288611027,
        2142634010,
        2479402868,
        775827867,
        3363128138,
        2433828005,
        3871725313,
        453889514,
        2016441173,
        404358135,
        4200715467,
        3466728357,
        2124499209,
        3091969433,
        4224907557,
        3597787665,
        944831321,
        247498744,
        1409630787,
        956022842,
        913395360,
        951808902,
        1301972083,
        335847163,
        2543114637,
        1852668585,
        4090590393,
        2745796757,
        727871298,
    ];

    let rand = Rand::new(KEY);
    for expected in expected.chunks(2) {
        assert_eq!(rand.next_u32(), expected[0]);
        let res = rand.next_full_u32();
        assert!(res.counter % 2 != 0); //counter starts from 0 so always must be true
        assert_eq!(res.value, expected[1]);
    }
}

#[test]
fn verify_u64() {
    let expected = [
        14399542303155484263u64,
        17501607969359464034,
        9354028374942533382,
        15427513012393281532,
        1327885891373351147,
        60638670215810043,
        5911835172535428600,
        7806583138883068395,
        11419064466034786357,
        16392306754029120696,
        8911873762093407361,
        5143683672172701690,
        14529237890604122752,
        19889166102031785,
        4163398334406911152,
        5215936393198264659,
        6663030086176828147,
        4142988939815573669,
        3804470384634822310,
        981206793566959392,
        16299826212061670494,
        12227633688552008664,
        3694240162244720062,
        10384859601573002243,
        2359606668987345604,
        4527269021397652637,
        13739401801815258063,
        4370254686731437278,
        17485511525953148642,
        7991276553396556667,
        4194810233081806530,
        10626386112989138509,
        10977217822832889495,
        24682639439007289,
        9509047622910815416,
        17728184262025808435,
        7838261665743942276,
        8605205304630665208,
        2874559017119030751,
        8402129636376629661,
        5717942698132331305,
        1649991336016897064,
        3295183672220509950,
        7314868326649166118,
        4947650188088540507,
        6233553940330143969,
        3379410454493317030,
        12917311855428041199,
        8499735244970525920,
        15795600574330558527,
        8054129013612082032,
        13965723653650379501,
        12383616822729305560,
        5963182679409556272,
        15903644052678103379,
        7243787744618625032,
        16618883363856591479,
        7673843308844980174,
        7780711718399524232,
        5462735632226813910,
        14755270269289560618,
        12054792288415653926,
        8535371421003719263,
        18317133887998968270,
        16621374626717847180,
        7165574647168350039,
        8557819483486794023,
        11125788260570175986,
        8862843003249831367,
        6728839444092422614,
        13292290694420989225,
        14124476813394813502,
        9202543002727219547,
        10648954232663981208,
        3332155316792614203,
        14444525369156352631,
        10453211686892771026,
        16628933598458950702,
        1949440621185508190,
        8660548895303310226,
        1736704969262069192,
        18041935551059624115,
        14889484920543723135,
        9124654623922895816,
        13279907595754884703,
        18145839787438662779,
        15452380362066314963,
        4058019627408702579,
        1062999014878645618,
        6054318132808991276,
        4106086844527938010,
        3923003203613301236,
        4087988107706547008,
        5591927520822166873,
        1442452585074274494,
        10922594199957697924,
        7957150986473910430,
        17568951962841284160,
        11793107274449697652,
        3126183424824572504,
    ];

    let rand = Rand::new(KEY);
    for expected in expected.chunks(2) {
        assert_eq!(rand.next_u64(), expected[0]);
        let res = rand.next_full_u64();
        assert!(res.counter % 2 != 0); //counter starts from 0 so always must be true
        assert_eq!(res.value, expected[1]);
    }
}