// Copyright © 2024 Mikhail Hogrefe // // This file is part of Malachite. // // Malachite is free software: you can redistribute it and/or modify it under the terms of the GNU // Lesser General Public License (LGPL) as published by the Free Software Foundation; either version // 3 of the License, or (at your option) any later version. See . use core::hash::Hash; use itertools::Itertools; use malachite_base::chars::exhaustive::exhaustive_chars; use malachite_base::chars::random::graphic_weighted_random_char_inclusive_range; use malachite_base::num::random::geometric::geometric_random_unsigneds; use malachite_base::num::random::random_primitive_ints; use malachite_base::random::{Seed, EXAMPLE_SEED}; use malachite_base::sets::random::random_hash_sets; use std::collections::HashSet; use std::fmt::Debug; fn random_hash_sets_helper>( xs_gen: &dyn Fn(Seed) -> I, mean_length_numerator: u64, mean_length_denominator: u64, expected_values: &[HashSet], ) { let xs = random_hash_sets( EXAMPLE_SEED, xs_gen, mean_length_numerator, mean_length_denominator, ); let values = xs.take(20).collect_vec(); assert_eq!(values.as_slice(), expected_values); } #[test] fn test_random_hash_sets() { random_hash_sets_helper( &random_primitive_ints::, 4, 1, &[ hashset! {}, hashset! {11, 32, 38, 85, 134, 136, 162, 166, 177, 200, 203, 217, 223, 235}, hashset! {30, 90, 218, 234}, hashset! {9, 106, 204, 216}, hashset! {151}, hashset! {}, hashset! {78, 91, 97, 213, 253}, hashset! {39, 191}, hashset! {170, 175, 232, 233}, hashset! {}, hashset! {2, 22, 35, 114, 198, 217}, hashset! {}, hashset! {}, hashset! {17, 25, 32, 65, 79, 114, 121, 144, 148, 173, 222}, hashset! {52, 69, 73, 91, 115, 137, 153, 178}, hashset! {}, hashset! {34, 95, 112}, hashset! {}, hashset! {106, 130, 167, 168, 197}, hashset! {86, 101, 122, 150, 172, 177, 207, 218, 221}, ], ); random_hash_sets_helper( &|seed| geometric_random_unsigneds::(seed, 32, 1), 4, 1, &[ hashset! {}, hashset! {1, 9, 12, 14, 16, 17, 19, 21, 41, 42, 68, 79, 124, 141}, hashset! {0, 1, 10, 99}, hashset! {2, 12, 36, 77}, hashset! {1}, hashset! {}, hashset! {1, 5, 9, 19, 103}, hashset! {6, 7}, hashset! {15, 18, 51, 159}, hashset! {}, hashset! {2, 26, 40, 52, 64, 75}, hashset! {}, hashset! {}, hashset! {3, 4, 5, 7, 30, 31, 34, 43, 49, 51, 67}, hashset! {1, 14, 16, 24, 29, 41, 47, 52}, hashset! {}, hashset! {11, 13, 62}, hashset! {}, hashset! {3, 14, 42, 47, 109}, hashset! {5, 13, 16, 25, 37, 41, 42, 86, 96}, ], ); random_hash_sets_helper( &random_primitive_ints::, 1, 4, &[ hashset! {}, hashset! {}, hashset! {85}, hashset! {11}, hashset! {136, 200}, hashset! {}, hashset! {}, hashset! {}, hashset! {}, hashset! {}, hashset! {}, hashset! {}, hashset! {134, 235}, hashset! {203}, hashset! {}, hashset! {38, 223}, hashset! {}, hashset! {}, hashset! {}, hashset! {}, ], ); random_hash_sets_helper( &|seed| { graphic_weighted_random_char_inclusive_range( seed, 'a', exhaustive_chars().nth(200).unwrap(), 1, 1, ) }, 4, 1, &[ hashset! {}, hashset! {'g', 'q', '³', '»', 'À', 'Á', 'Ã', 'È', 'á', 'â', 'ì', 'ñ', 'Ā', 'ą'}, hashset! {'ª', '´', 'Ã', 'ä'}, hashset! {'½', 'Á', 'Ï', 'ý'}, hashset! {'j'}, hashset! {}, hashset! {'u', '½', 'Â', 'Ñ', 'ï'}, hashset! {'x', 'õ'}, hashset! {'¡', 'Â', 'ù', 'Ċ'}, hashset! {}, hashset! {'b', 'r', 's', '¬', 'Â', 'Ñ'}, hashset! {}, hashset! {}, hashset! {'j', 'n', 't', '¬', 'º', '¿', 'Á', 'Ø', 'Þ', 'ô', 'ü'}, hashset! {'b', 'k', '±', 'Î', 'Ü', 'æ', 'è', 'ā'}, hashset! {}, hashset! {'«', '¹', 'Î'}, hashset! {}, hashset! {'~', '¯', '´', 'Ý', 'â'}, hashset! {'g', '¼', 'Ç', 'Î', 'Ü', 'Þ', 'æ', 'é', 'ö'}, ], ); } #[test] #[should_panic] fn random_hash_sets_fail_1() { random_hash_sets(EXAMPLE_SEED, &random_primitive_ints::, 0, 1); } #[test] #[should_panic] fn random_hash_sets_fail_2() { random_hash_sets(EXAMPLE_SEED, &random_primitive_ints::, 1, 0); } #[test] #[should_panic] fn random_hash_sets_fail_3() { random_hash_sets( EXAMPLE_SEED, &random_primitive_ints::, u64::MAX, u64::MAX - 1, ); }