// 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::random::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_length_inclusive_range; use std::collections::HashSet; use std::fmt::Debug; fn random_hash_sets_length_inclusive_range_helper< T: Clone + Debug + Eq + Hash + Ord, I: Clone + Iterator, >( a: u64, b: u64, xs_gen: &dyn Fn(Seed) -> I, expected_values: &[HashSet], ) { let xs = random_hash_sets_length_inclusive_range(EXAMPLE_SEED, a, b, xs_gen); let values = xs.take(20).collect_vec(); assert_eq!(values.as_slice(), expected_values); } #[test] fn test_random_hash_sets_length_inclusive_range() { random_hash_sets_length_inclusive_range_helper( 2, 3, &random_primitive_ints::, &[ hashset! {11, 85, 136}, hashset! {200, 235}, hashset! {134, 203, 223}, hashset! {38, 217, 235}, hashset! {162, 177}, hashset! {32, 166, 234}, hashset! {30, 90, 218}, hashset! {9, 106}, hashset! {151, 204, 216}, hashset! {97, 213, 253}, hashset! {78, 91}, hashset! {39, 175, 191}, hashset! {170, 232}, hashset! {2, 35, 233}, hashset! {22, 198, 217}, hashset! {17, 114}, hashset! {32, 173}, hashset! {65, 114}, hashset! {121, 173, 222}, hashset! {25, 144}, ], ); random_hash_sets_length_inclusive_range_helper( 2, 3, &|seed| geometric_random_unsigneds::(seed, 2, 1), &[ hashset! {0, 1, 5}, hashset! {1, 4}, hashset! {2, 4, 6}, hashset! {0, 1, 2}, hashset! {9, 13}, hashset! {0, 2, 7}, hashset! {4, 6, 7}, hashset! {0, 6}, hashset! {0, 1, 3}, hashset! {1, 2, 5}, hashset! {0, 1}, hashset! {0, 1, 4}, hashset! {0, 2}, hashset! {0, 2, 12}, hashset! {1, 2, 3}, hashset! {3, 9}, hashset! {0, 1}, hashset! {1, 2}, hashset! {0, 1, 11}, hashset! {1, 6}, ], ); random_hash_sets_length_inclusive_range_helper( 2, 3, &|seed| random_char_inclusive_range(seed, 'a', 'z'), &[ hashset! {'c', 'q', 'v'}, hashset! {'e', 'i'}, hashset! {'g', 'p', 's'}, hashset! {'m', 'n', 't'}, hashset! {'o', 'z'}, hashset! {'f', 'k', 'm'}, hashset! {'q', 'u', 'y'}, hashset! {'k', 'x'}, hashset! {'h', 'n', 'u'}, hashset! {'a', 'j', 'n'}, hashset! {'w', 'z'}, hashset! {'b', 'l', 'w'}, hashset! {'l', 'u'}, hashset! {'e', 'l', 'n'}, hashset! {'k', 'u', 'v'}, hashset! {'c', 'h'}, hashset! {'i', 'y'}, hashset! {'m', 'r'}, hashset! {'m', 's', 'y'}, hashset! {'e', 'l'}, ], ); } #[test] #[should_panic] fn random_hash_sets_length_inclusive_range_fail() { random_hash_sets_length_inclusive_range(EXAMPLE_SEED, 2, 1, &random_primitive_ints::); }