blob: fcc334df354581ebaa760f2cf1f06144c3373fa6 [file] [log] [blame]
use fixedbitset::*;
#[cfg(target_family = "wasm")]
use wasm_bindgen_test::*;
#[cfg(target_family = "wasm")]
wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
extern crate alloc;
const BITS: usize = core::mem::size_of::<Block>() * 8;
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn it_works() {
const N: usize = 50;
let mut fb = FixedBitSet::with_capacity(N);
for i in 0..(N + 10) {
assert_eq!(fb.contains(i), false);
}
fb.insert(10);
fb.set(11, false);
fb.set(12, false);
fb.set(12, true);
fb.set(N - 1, true);
assert!(fb.contains(10));
assert!(!fb.contains(11));
assert!(fb.contains(12));
assert!(fb.contains(N - 1));
for i in 0..N {
let contain = i == 10 || i == 12 || i == N - 1;
assert_eq!(contain, fb[i]);
}
fb.clear();
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn with_blocks() {
let fb = FixedBitSet::with_capacity_and_blocks(50, vec![8, 0]);
assert!(fb.contains(3));
let ones: Vec<_> = fb.ones().collect();
assert_eq!(ones.len(), 1);
let ones: Vec<_> = fb.ones().rev().collect();
assert_eq!(ones.len(), 1);
let ones: Vec<_> = fb.ones().rev().alternate().collect();
assert_eq!(ones.len(), 1);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn with_blocks_too_small() {
let mut fb = FixedBitSet::with_capacity_and_blocks(500, vec![8, 0]);
fb.insert(400);
assert!(fb.contains(400));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn with_blocks_too_big() {
let fb = FixedBitSet::with_capacity_and_blocks(1, vec![8]);
// since capacity is 1, 3 shouldn't be set here
assert!(!fb.contains(3));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn with_blocks_too_big_range_check() {
let fb = FixedBitSet::with_capacity_and_blocks(1, vec![0xff]);
// since capacity is 1, only 0 should be set
assert!(fb.contains(0));
for i in 1..0xff {
assert!(!fb.contains(i));
}
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn grow() {
let mut fb = FixedBitSet::with_capacity(48);
for i in 0..fb.len() {
fb.set(i, true);
}
let old_len = fb.len();
fb.grow(72);
for j in 0..fb.len() {
assert_eq!(fb.contains(j), j < old_len);
}
fb.set(64, true);
assert!(fb.contains(64));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn grow_and_insert() {
let mut fb = FixedBitSet::default();
for i in 0..100 {
if i % 3 == 0 {
fb.grow_and_insert(i);
}
}
assert_eq!(fb.count_ones(..), 34);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn test_toggle() {
let mut fb = FixedBitSet::with_capacity(16);
fb.toggle(1);
fb.put(2);
fb.toggle(2);
fb.put(3);
assert!(fb.contains(1));
assert!(!fb.contains(2));
assert!(fb.contains(3));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn copy_bit() {
let mut fb = FixedBitSet::with_capacity(48);
for i in 0..fb.len() {
fb.set(i, true);
}
fb.set(42, false);
fb.copy_bit(42, 2);
assert!(!fb.contains(42));
assert!(!fb.contains(2));
assert!(fb.contains(1));
fb.copy_bit(1, 42);
assert!(fb.contains(42));
fb.copy_bit(1024, 42);
assert!(!fb[42]);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn count_ones() {
let mut fb = FixedBitSet::with_capacity(100);
fb.set(11, true);
fb.set(12, true);
fb.set(7, true);
fb.set(35, true);
fb.set(40, true);
fb.set(77, true);
fb.set(95, true);
fb.set(50, true);
fb.set(99, true);
assert_eq!(fb.count_ones(..7), 0);
assert_eq!(fb.count_ones(..8), 1);
assert_eq!(fb.count_ones(..11), 1);
assert_eq!(fb.count_ones(..12), 2);
assert_eq!(fb.count_ones(..13), 3);
assert_eq!(fb.count_ones(..35), 3);
assert_eq!(fb.count_ones(..36), 4);
assert_eq!(fb.count_ones(..40), 4);
assert_eq!(fb.count_ones(..41), 5);
assert_eq!(fb.count_ones(50..), 4);
assert_eq!(fb.count_ones(70..95), 1);
assert_eq!(fb.count_ones(70..96), 2);
assert_eq!(fb.count_ones(70..99), 2);
assert_eq!(fb.count_ones(..), 9);
assert_eq!(fb.count_ones(0..100), 9);
assert_eq!(fb.count_ones(0..0), 0);
assert_eq!(fb.count_ones(100..100), 0);
assert_eq!(fb.count_ones(7..), 9);
assert_eq!(fb.count_ones(8..), 8);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn count_zeroes() {
let mut fb = FixedBitSet::with_capacity(100);
fb.set(11, true);
fb.set(12, true);
fb.set(7, true);
fb.set(35, true);
fb.set(40, true);
fb.set(77, true);
fb.set(95, true);
fb.set(50, true);
fb.set(99, true);
assert_eq!(fb.count_zeroes(..7), 7);
assert_eq!(fb.count_zeroes(..8), 7);
assert_eq!(fb.count_zeroes(..11), 10);
assert_eq!(fb.count_zeroes(..12), 10);
assert_eq!(fb.count_zeroes(..13), 10);
assert_eq!(fb.count_zeroes(..35), 32);
assert_eq!(fb.count_zeroes(..36), 32);
assert_eq!(fb.count_zeroes(..40), 36);
assert_eq!(fb.count_zeroes(..41), 36);
assert_eq!(fb.count_zeroes(50..), 46);
assert_eq!(fb.count_zeroes(70..95), 24);
assert_eq!(fb.count_zeroes(70..96), 24);
assert_eq!(fb.count_zeroes(70..99), 27);
assert_eq!(fb.count_zeroes(..), 91);
assert_eq!(fb.count_zeroes(0..100), 91);
assert_eq!(fb.count_zeroes(0..0), 0);
assert_eq!(fb.count_zeroes(100..100), 0);
assert_eq!(fb.count_zeroes(7..), 84);
assert_eq!(fb.count_zeroes(8..), 84);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn minimum() {
let mut fb = FixedBitSet::with_capacity(100);
assert_eq!(fb.minimum(), None);
fb.set(95, true);
assert_eq!(fb.minimum(), Some(95));
fb.set(77, true);
assert_eq!(fb.minimum(), Some(77));
fb.set(12, true);
assert_eq!(fb.minimum(), Some(12));
fb.set(40, true);
assert_eq!(fb.minimum(), Some(12));
fb.set(35, true);
assert_eq!(fb.minimum(), Some(12));
fb.set(11, true);
assert_eq!(fb.minimum(), Some(11));
fb.set(7, true);
assert_eq!(fb.minimum(), Some(7));
fb.set(50, true);
assert_eq!(fb.minimum(), Some(7));
fb.set(99, true);
assert_eq!(fb.minimum(), Some(7));
fb.clear();
assert_eq!(fb.minimum(), None);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn maximum() {
let mut fb = FixedBitSet::with_capacity(100);
assert_eq!(fb.maximum(), None);
fb.set(11, true);
assert_eq!(fb.maximum(), Some(11));
fb.set(12, true);
assert_eq!(fb.maximum(), Some(12));
fb.set(7, true);
assert_eq!(fb.maximum(), Some(12));
fb.set(40, true);
assert_eq!(fb.maximum(), Some(40));
fb.set(35, true);
assert_eq!(fb.maximum(), Some(40));
fb.set(95, true);
assert_eq!(fb.maximum(), Some(95));
fb.set(50, true);
assert_eq!(fb.maximum(), Some(95));
fb.set(77, true);
assert_eq!(fb.maximum(), Some(95));
fb.set(99, true);
assert_eq!(fb.maximum(), Some(99));
fb.clear();
assert_eq!(fb.maximum(), None);
}
/* Helper for testing double ended iterator */
#[cfg(test)]
struct Alternating<I> {
iter: I,
front: bool,
}
#[cfg(test)]
impl<I: Iterator + DoubleEndedIterator> Iterator for Alternating<I> {
type Item = I::Item;
fn size_hint(&self) -> (usize, Option<usize>) {
self.iter.size_hint()
}
fn next(&mut self) -> Option<Self::Item> {
if self.front {
self.front = false;
self.iter.next()
} else {
self.front = true;
self.iter.next_back()
}
}
}
#[cfg(test)]
trait AlternatingExt: Iterator + DoubleEndedIterator + Sized {
fn alternate(self) -> Alternating<Self> {
Alternating {
iter: self,
front: true,
}
}
}
#[cfg(test)]
impl<I: Iterator + DoubleEndedIterator> AlternatingExt for I {}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn ones() {
let mut fb = FixedBitSet::with_capacity(100);
fb.set(11, true);
fb.set(12, true);
fb.set(7, true);
fb.set(35, true);
fb.set(40, true);
fb.set(77, true);
fb.set(95, true);
fb.set(50, true);
fb.set(99, true);
let ones: Vec<_> = fb.ones().collect();
let ones_rev: Vec<_> = fb.ones().rev().collect();
let ones_alternating: Vec<_> = fb.ones().alternate().collect();
let mut known_result = vec![7, 11, 12, 35, 40, 50, 77, 95, 99];
assert_eq!(known_result, ones);
known_result.reverse();
assert_eq!(known_result, ones_rev);
let known_result: Vec<_> = known_result.into_iter().rev().alternate().collect();
assert_eq!(known_result, ones_alternating);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn into_ones() {
fn create() -> FixedBitSet {
let mut fb = FixedBitSet::with_capacity(100);
fb.set(11, true);
fb.set(12, true);
fb.set(7, true);
fb.set(35, true);
fb.set(40, true);
fb.set(77, true);
fb.set(95, true);
fb.set(50, true);
fb.set(99, true);
fb
}
let ones: Vec<_> = create().into_ones().collect();
let ones_rev: Vec<_> = create().into_ones().rev().collect();
let ones_alternating: Vec<_> = create().into_ones().alternate().collect();
let mut known_result = vec![7, 11, 12, 35, 40, 50, 77, 95, 99];
assert_eq!(known_result, ones);
known_result.reverse();
assert_eq!(known_result, ones_rev);
let known_result: Vec<_> = known_result.into_iter().rev().alternate().collect();
assert_eq!(known_result, ones_alternating);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn size_hint() {
let iters = if cfg!(miri) { 250 } else { 1000 };
for s in 0..iters {
let mut bitset = FixedBitSet::with_capacity(s);
bitset.insert_range(..);
let mut t = s;
let mut iter = bitset.ones().rev();
loop {
match iter.next() {
None => break,
Some(_) => {
t -= 1;
assert!(iter.size_hint().1.unwrap() >= t);
// factor two, because we have first block and last block
assert!(iter.size_hint().1.unwrap() <= t + 2 * BITS);
}
}
}
assert_eq!(t, 0);
}
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn size_hint_alternate() {
let iters = if cfg!(miri) { 250 } else { 1000 };
for s in 0..iters {
let mut bitset = FixedBitSet::with_capacity(s);
bitset.insert_range(..);
let mut t = s;
extern crate std;
let mut iter = bitset.ones().alternate();
loop {
match iter.next() {
None => break,
Some(_) => {
t -= 1;
assert!(iter.size_hint().1.unwrap() >= t);
assert!(iter.size_hint().1.unwrap() <= t + 3 * BITS);
}
}
}
assert_eq!(t, 0);
}
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn iter_ones_range() {
fn test_range(from: usize, to: usize, capa: usize) {
assert!(to <= capa);
let mut fb = FixedBitSet::with_capacity(capa);
for i in from..to {
fb.insert(i);
}
let ones: Vec<_> = fb.ones().collect();
let expected: Vec<_> = (from..to).collect();
let ones_rev: Vec<_> = fb.ones().rev().collect();
let expected_rev: Vec<_> = (from..to).rev().collect();
let ones_rev_alt: Vec<_> = fb.ones().rev().alternate().collect();
let expected_rev_alt: Vec<_> = (from..to).rev().alternate().collect();
assert_eq!(expected, ones);
assert_eq!(expected_rev, ones_rev);
assert_eq!(expected_rev_alt, ones_rev_alt);
}
for i in 0..100 {
test_range(i, 100, 100);
test_range(0, i, 100);
}
}
#[should_panic]
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn count_ones_oob() {
let fb = FixedBitSet::with_capacity(100);
fb.count_ones(90..101);
}
#[should_panic]
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn count_ones_negative_range() {
let fb = FixedBitSet::with_capacity(100);
fb.count_ones(90..80);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn count_ones_panic() {
let iters = if cfg!(miri) { 48 } else { 128 };
for i in 1..iters {
let fb = FixedBitSet::with_capacity(i);
for j in 0..fb.len() + 1 {
for k in j..fb.len() + 1 {
assert_eq!(fb.count_ones(j..k), 0);
}
}
}
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn default() {
let fb = FixedBitSet::default();
assert_eq!(fb.len(), 0);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn insert_range() {
let mut fb = FixedBitSet::with_capacity(97);
fb.insert_range(..3);
fb.insert_range(9..32);
fb.insert_range(37..81);
fb.insert_range(90..);
for i in 0..97 {
assert_eq!(
fb.contains(i),
i < 3 || 9 <= i && i < 32 || 37 <= i && i < 81 || 90 <= i
);
}
assert!(!fb.contains(97));
assert!(!fb.contains(127));
assert!(!fb.contains(128));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn contains_all_in_range() {
let mut fb = FixedBitSet::with_capacity(48);
fb.insert_range(..);
fb.remove_range(..32);
fb.remove_range(37..);
assert!(fb.contains_all_in_range(32..37));
assert!(fb.contains_all_in_range(32..35));
assert!(!fb.contains_all_in_range(32..));
assert!(!fb.contains_all_in_range(..37));
assert!(!fb.contains_all_in_range(..));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn contains_any_in_range() {
let mut fb = FixedBitSet::with_capacity(48);
fb.insert_range(..);
fb.remove_range(..32);
fb.remove_range(37..);
assert!(!fb.contains_any_in_range(..32));
assert!(fb.contains_any_in_range(32..37));
assert!(fb.contains_any_in_range(32..35));
assert!(fb.contains_any_in_range(32..));
assert!(fb.contains_any_in_range(..37));
assert!(!fb.contains_any_in_range(37..));
assert!(fb.contains_any_in_range(..));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn remove_range() {
let mut fb = FixedBitSet::with_capacity(48);
fb.insert_range(..);
fb.remove_range(..32);
fb.remove_range(37..);
for i in 0..48 {
assert_eq!(fb.contains(i), 32 <= i && i < 37);
}
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn set_range() {
let mut fb = FixedBitSet::with_capacity(48);
fb.insert_range(..);
fb.set_range(..32, false);
fb.set_range(37.., false);
fb.set_range(5..9, true);
fb.set_range(40..40, true);
for i in 0..48 {
assert_eq!(fb.contains(i), 5 <= i && i < 9 || 32 <= i && i < 37);
}
assert!(!fb.contains(48));
assert!(!fb.contains(64));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn toggle_range() {
let mut fb = FixedBitSet::with_capacity(40);
fb.insert_range(..10);
fb.insert_range(34..38);
fb.toggle_range(5..12);
fb.toggle_range(30..);
for i in 0..40 {
assert_eq!(
fb.contains(i),
i < 5 || 10 <= i && i < 12 || 30 <= i && i < 34 || 38 <= i
);
}
assert!(!fb.contains(40));
assert!(!fb.contains(64));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitand_equal_lengths() {
let len = 109;
let a_end = 59;
let b_start = 23;
let mut a = FixedBitSet::with_capacity(len);
let mut b = FixedBitSet::with_capacity(len);
a.set_range(..a_end, true);
b.set_range(b_start.., true);
let ab = &a & &b;
for i in 0..b_start {
assert!(!ab.contains(i));
}
for i in b_start..a_end {
assert!(ab.contains(i));
}
for i in a_end..len {
assert!(!ab.contains(i));
}
assert_eq!(a.len(), ab.len());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitand_first_smaller() {
let a_len = 113;
let b_len = 137;
let len = core::cmp::min(a_len, b_len);
let a_end = 97;
let b_start = 89;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(..a_end, true);
b.set_range(b_start.., true);
let ab = &a & &b;
for i in 0..b_start {
assert!(!ab.contains(i));
}
for i in b_start..a_end {
assert!(ab.contains(i));
}
for i in a_end..len {
assert!(!ab.contains(i));
}
assert_eq!(a.len(), ab.len());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitand_first_larger() {
let a_len = 173;
let b_len = 137;
let len = core::cmp::min(a_len, b_len);
let a_end = 107;
let b_start = 43;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(..a_end, true);
b.set_range(b_start.., true);
let ab = &a & &b;
for i in 0..b_start {
assert!(!ab.contains(i));
}
for i in b_start..a_end {
assert!(ab.contains(i));
}
for i in a_end..len {
assert!(!ab.contains(i));
}
assert_eq!(b.len(), ab.len());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn intersection() {
let len = 109;
let a_end = 59;
let b_start = 23;
let mut a = FixedBitSet::with_capacity(len);
let mut b = FixedBitSet::with_capacity(len);
a.set_range(..a_end, true);
b.set_range(b_start.., true);
let count = a.intersection_count(&b);
let iterator_count = a.intersection(&b).count();
let mut ab = a.intersection(&b).collect::<FixedBitSet>();
for i in 0..b_start {
assert!(!ab.contains(i));
}
for i in b_start..a_end {
assert!(ab.contains(i));
}
for i in a_end..len {
assert!(!ab.contains(i));
}
a.intersect_with(&b);
// intersection + collect produces the same results but with a shorter length.
ab.grow(a.len());
assert_eq!(
ab, a,
"intersection and intersect_with produce the same results"
);
assert_eq!(
ab.count_ones(..),
count,
"intersection and intersection_count produce the same results"
);
assert_eq!(
count, iterator_count,
"intersection and intersection_count produce the same results"
);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn union() {
let a_len = 173;
let b_len = 137;
let a_start = 139;
let b_end = 107;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(a_start.., true);
b.set_range(..b_end, true);
let count = a.union_count(&b);
let iterator_count = a.union(&b).count();
let ab = a.union(&b).collect::<FixedBitSet>();
for i in a_start..a_len {
assert!(ab.contains(i));
}
for i in 0..b_end {
assert!(ab.contains(i));
}
for i in b_end..a_start {
assert!(!ab.contains(i));
}
a.union_with(&b);
assert_eq!(ab, a, "union and union_with produce the same results");
assert_eq!(
count,
ab.count_ones(..),
"union and union_count produce the same results"
);
assert_eq!(
count, iterator_count,
"union and union_count produce the same results"
);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn difference() {
let a_len = 83;
let b_len = 151;
let a_start = 0;
let a_end = 79;
let b_start = 53;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(a_start..a_end, true);
b.set_range(b_start..b_len, true);
let count = a.difference_count(&b);
let iterator_count = a.difference(&b).count();
let mut a_diff_b = a.difference(&b).collect::<FixedBitSet>();
for i in a_start..b_start {
assert!(a_diff_b.contains(i));
}
for i in b_start..b_len {
assert!(!a_diff_b.contains(i));
}
a.difference_with(&b);
// difference + collect produces the same results but with a shorter length.
a_diff_b.grow(a.len());
assert_eq!(
a_diff_b, a,
"difference and difference_with produce the same results"
);
assert_eq!(
a_diff_b.count_ones(..),
count,
"difference and difference_count produce the same results"
);
assert_eq!(
count, iterator_count,
"intersection and intersection_count produce the same results"
);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn symmetric_difference() {
let a_len = 83;
let b_len = 151;
let a_start = 47;
let a_end = 79;
let b_start = 53;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(a_start..a_end, true);
b.set_range(b_start..b_len, true);
let count = a.symmetric_difference_count(&b);
let iterator_count = a.symmetric_difference(&b).count();
let a_sym_diff_b = a.symmetric_difference(&b).collect::<FixedBitSet>();
for i in 0..a_start {
assert!(!a_sym_diff_b.contains(i));
}
for i in a_start..b_start {
assert!(a_sym_diff_b.contains(i));
}
for i in b_start..a_end {
assert!(!a_sym_diff_b.contains(i));
}
for i in a_end..b_len {
assert!(a_sym_diff_b.contains(i));
}
a.symmetric_difference_with(&b);
assert_eq!(
a_sym_diff_b, a,
"symmetric_difference and _with produce the same results"
);
assert_eq!(
a_sym_diff_b.count_ones(..),
count,
"symmetric_difference and _count produce the same results"
);
assert_eq!(
count, iterator_count,
"symmetric_difference and _count produce the same results"
);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitor_equal_lengths() {
let len = 109;
let a_start = 17;
let a_end = 23;
let b_start = 19;
let b_end = 59;
let mut a = FixedBitSet::with_capacity(len);
let mut b = FixedBitSet::with_capacity(len);
a.set_range(a_start..a_end, true);
b.set_range(b_start..b_end, true);
let ab = &a | &b;
for i in 0..a_start {
assert!(!ab.contains(i));
}
for i in a_start..b_end {
assert!(ab.contains(i));
}
for i in b_end..len {
assert!(!ab.contains(i));
}
assert_eq!(ab.len(), len);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitor_first_smaller() {
let a_len = 113;
let b_len = 137;
let a_end = 89;
let b_start = 97;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(..a_end, true);
b.set_range(b_start.., true);
let ab = &a | &b;
for i in 0..a_end {
assert!(ab.contains(i));
}
for i in a_end..b_start {
assert!(!ab.contains(i));
}
for i in b_start..b_len {
assert!(ab.contains(i));
}
assert_eq!(b_len, ab.len());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitor_first_larger() {
let a_len = 173;
let b_len = 137;
let a_start = 139;
let b_end = 107;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(a_start.., true);
b.set_range(..b_end, true);
let ab = &a | &b;
for i in a_start..a_len {
assert!(ab.contains(i));
}
for i in 0..b_end {
assert!(ab.contains(i));
}
for i in b_end..a_start {
assert!(!ab.contains(i));
}
assert_eq!(a_len, ab.len());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitxor_equal_lengths() {
let len = 109;
let a_end = 59;
let b_start = 23;
let mut a = FixedBitSet::with_capacity(len);
let mut b = FixedBitSet::with_capacity(len);
a.set_range(..a_end, true);
b.set_range(b_start.., true);
let ab = &a ^ &b;
for i in 0..b_start {
assert!(ab.contains(i));
}
for i in b_start..a_end {
assert!(!ab.contains(i));
}
for i in a_end..len {
assert!(ab.contains(i));
}
assert_eq!(a.len(), ab.len());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitxor_first_smaller() {
let a_len = 113;
let b_len = 137;
let len = core::cmp::max(a_len, b_len);
let a_end = 97;
let b_start = 89;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(..a_end, true);
b.set_range(b_start.., true);
let ab = &a ^ &b;
for i in 0..b_start {
assert!(ab.contains(i));
}
for i in b_start..a_end {
assert!(!ab.contains(i));
}
for i in a_end..len {
assert!(ab.contains(i));
}
assert_eq!(b.len(), ab.len());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitxor_first_larger() {
let a_len = 173;
let b_len = 137;
let len = core::cmp::max(a_len, b_len);
let a_end = 107;
let b_start = 43;
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.set_range(..a_end, true);
b.set_range(b_start.., true);
let ab = &a ^ &b;
for i in 0..b_start {
assert!(ab.contains(i));
}
for i in b_start..a_end {
assert!(!ab.contains(i));
}
for i in a_end..b_len {
assert!(ab.contains(i));
}
for i in b_len..len {
assert!(!ab.contains(i));
}
assert_eq!(a.len(), ab.len());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitand_assign_shorter() {
let a_ones: Vec<usize> = vec![2, 3, 7, 19, 31, 32, 37, 41, 43, 47, 71, 73, 101];
let b_ones: Vec<usize> = vec![2, 7, 8, 11, 23, 31, 32];
let a_and_b: Vec<usize> = vec![2, 7, 31, 32];
let mut a = a_ones.iter().cloned().collect::<FixedBitSet>();
let b = b_ones.iter().cloned().collect::<FixedBitSet>();
a &= b;
let res = a.ones().collect::<Vec<usize>>();
assert!(res == a_and_b);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitand_assign_longer() {
let a_ones: Vec<usize> = vec![2, 7, 8, 11, 23, 31, 32];
let b_ones: Vec<usize> = vec![2, 3, 7, 19, 31, 32, 37, 41, 43, 47, 71, 73, 101];
let a_and_b: Vec<usize> = vec![2, 7, 31, 32];
let mut a = a_ones.iter().cloned().collect::<FixedBitSet>();
let b = b_ones.iter().cloned().collect::<FixedBitSet>();
a &= b;
let res = a.ones().collect::<Vec<usize>>();
assert!(res == a_and_b);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitor_assign_shorter() {
let a_ones: Vec<usize> = vec![2, 3, 7, 19, 31, 32, 37, 41, 43, 47, 71, 73, 101];
let b_ones: Vec<usize> = vec![2, 7, 8, 11, 23, 31, 32];
let a_or_b: Vec<usize> = vec![2, 3, 7, 8, 11, 19, 23, 31, 32, 37, 41, 43, 47, 71, 73, 101];
let mut a = a_ones.iter().cloned().collect::<FixedBitSet>();
let b = b_ones.iter().cloned().collect::<FixedBitSet>();
a |= b;
let res = a.ones().collect::<Vec<usize>>();
assert!(res == a_or_b);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitor_assign_longer() {
let a_ones: Vec<usize> = vec![2, 7, 8, 11, 23, 31, 32];
let b_ones: Vec<usize> = vec![2, 3, 7, 19, 31, 32, 37, 41, 43, 47, 71, 73, 101];
let a_or_b: Vec<usize> = vec![2, 3, 7, 8, 11, 19, 23, 31, 32, 37, 41, 43, 47, 71, 73, 101];
let mut a = a_ones.iter().cloned().collect::<FixedBitSet>();
let b = b_ones.iter().cloned().collect::<FixedBitSet>();
a |= b;
let res = a.ones().collect::<Vec<usize>>();
assert_eq!(res, a_or_b);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitxor_assign_shorter() {
let a_ones: Vec<usize> = vec![2, 3, 7, 19, 31, 32, 37, 41, 43, 47, 71, 73, 101];
let b_ones: Vec<usize> = vec![2, 7, 8, 11, 23, 31, 32];
let a_xor_b: Vec<usize> = vec![3, 8, 11, 19, 23, 37, 41, 43, 47, 71, 73, 101];
let mut a = a_ones.iter().cloned().collect::<FixedBitSet>();
let b = b_ones.iter().cloned().collect::<FixedBitSet>();
a ^= b;
let res = a.ones().collect::<Vec<usize>>();
assert!(res == a_xor_b);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn bitxor_assign_longer() {
let a_ones: Vec<usize> = vec![2, 7, 8, 11, 23, 31, 32];
let b_ones: Vec<usize> = vec![2, 3, 7, 19, 31, 32, 37, 41, 43, 47, 71, 73, 101];
let a_xor_b: Vec<usize> = vec![3, 8, 11, 19, 23, 37, 41, 43, 47, 71, 73, 101];
let mut a = a_ones.iter().cloned().collect::<FixedBitSet>();
let b = b_ones.iter().cloned().collect::<FixedBitSet>();
a ^= b;
let res = a.ones().collect::<Vec<usize>>();
assert!(res == a_xor_b);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn op_assign_ref() {
let mut a = FixedBitSet::with_capacity(8);
let b = FixedBitSet::with_capacity(8);
//check that all assign type operators work on references
a &= &b;
a |= &b;
a ^= &b;
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn subset_superset_shorter() {
let a_ones: Vec<usize> = vec![7, 31, 32, 63];
let b_ones: Vec<usize> = vec![2, 7, 19, 31, 32, 37, 41, 43, 47, 63, 73, 101];
let mut a = a_ones.iter().cloned().collect::<FixedBitSet>();
let b = b_ones.iter().cloned().collect::<FixedBitSet>();
assert!(a.is_subset(&b) && b.is_superset(&a));
a.insert(14);
assert!(!a.is_subset(&b) && !b.is_superset(&a));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn subset_superset_longer() {
let a_len = 153;
let b_len = 75;
let a_ones: Vec<usize> = vec![7, 31, 32, 63];
let b_ones: Vec<usize> = vec![2, 7, 19, 31, 32, 37, 41, 43, 47, 63, 73];
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.extend(a_ones.iter().cloned());
b.extend(b_ones.iter().cloned());
assert!(a.is_subset(&b) && b.is_superset(&a));
a.insert(100);
assert!(!a.is_subset(&b) && !b.is_superset(&a));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn is_disjoint_first_shorter() {
let a_len = 75;
let b_len = 153;
let a_ones: Vec<usize> = vec![2, 19, 32, 37, 41, 43, 47, 73];
let b_ones: Vec<usize> = vec![7, 23, 31, 63, 124];
let mut a = FixedBitSet::with_capacity(a_len);
let mut b = FixedBitSet::with_capacity(b_len);
a.extend(a_ones.iter().cloned());
b.extend(b_ones.iter().cloned());
assert!(a.is_disjoint(&b));
a.insert(63);
assert!(!a.is_disjoint(&b));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn is_disjoint_first_longer() {
let a_ones: Vec<usize> = vec![2, 19, 32, 37, 41, 43, 47, 73, 101];
let b_ones: Vec<usize> = vec![7, 23, 31, 63];
let a = a_ones.iter().cloned().collect::<FixedBitSet>();
let mut b = b_ones.iter().cloned().collect::<FixedBitSet>();
assert!(a.is_disjoint(&b));
b.insert(2);
assert!(!a.is_disjoint(&b));
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn extend_on_empty() {
let items: Vec<usize> = vec![2, 3, 5, 7, 11, 13, 17, 19, 23, 27, 29, 31, 37, 167];
let mut fbs = FixedBitSet::with_capacity(0);
fbs.extend(items.iter().cloned());
let ones = fbs.ones().collect::<Vec<usize>>();
assert!(ones == items);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn extend() {
let items: Vec<usize> = vec![2, 3, 5, 7, 11, 13, 17, 19, 23, 27, 29, 31, 37, 167];
let mut fbs = FixedBitSet::with_capacity(168);
let new: Vec<usize> = vec![7, 37, 67, 137];
for i in &new {
fbs.put(*i);
}
fbs.extend(items.iter().cloned());
let ones = fbs.ones().collect::<Vec<usize>>();
let expected = {
let mut tmp = items.clone();
tmp.extend(new);
tmp.sort();
tmp.dedup();
tmp
};
assert_eq!(ones, expected);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn from_iterator() {
let items: Vec<usize> = vec![0, 2, 4, 6, 8];
let fb = items.iter().cloned().collect::<FixedBitSet>();
for i in items {
assert!(fb.contains(i));
}
for i in vec![1, 3, 5, 7] {
assert!(!fb.contains(i));
}
assert_eq!(fb.len(), 9);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn from_iterator_ones() {
let len = 257;
let mut fb = FixedBitSet::with_capacity(len);
for i in (0..len).filter(|i| i % 7 == 0) {
fb.put(i);
}
fb.put(len - 1);
let dup = fb.ones().collect::<FixedBitSet>();
assert_eq!(fb.len(), dup.len());
assert_eq!(
fb.ones().collect::<Vec<usize>>(),
dup.ones().collect::<Vec<usize>>()
);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn zeroes() {
let len = 232;
let mut fb = FixedBitSet::with_capacity(len);
for i in (0..len).filter(|i| i % 7 == 0) {
fb.insert(i);
}
let zeroes = fb.zeroes().collect::<Vec<usize>>();
assert_eq!(
zeroes,
vec![
1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27,
29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53,
54, 55, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 76, 78, 79,
80, 81, 82, 83, 85, 86, 87, 88, 89, 90, 92, 93, 94, 95, 96, 97, 99, 100, 101, 102, 103,
104, 106, 107, 108, 109, 110, 111, 113, 114, 115, 116, 117, 118, 120, 121, 122, 123,
124, 125, 127, 128, 129, 130, 131, 132, 134, 135, 136, 137, 138, 139, 141, 142, 143,
144, 145, 146, 148, 149, 150, 151, 152, 153, 155, 156, 157, 158, 159, 160, 162, 163,
164, 165, 166, 167, 169, 170, 171, 172, 173, 174, 176, 177, 178, 179, 180, 181, 183,
184, 185, 186, 187, 188, 190, 191, 192, 193, 194, 195, 197, 198, 199, 200, 201, 202,
204, 205, 206, 207, 208, 209, 211, 212, 213, 214, 215, 216, 218, 219, 220, 221, 222,
223, 225, 226, 227, 228, 229, 230
]
);
}
#[cfg(feature = "std")]
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn binary_trait() {
let items: Vec<usize> = vec![1, 5, 7, 10, 14, 15];
let fb = items.iter().cloned().collect::<FixedBitSet>();
assert_eq!(alloc::format!("{:b}", fb), "0100010100100011");
assert_eq!(alloc::format!("{:#b}", fb), "0b0100010100100011");
}
#[cfg(feature = "std")]
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn display_trait() {
let len = 8;
let mut fb = FixedBitSet::with_capacity(len);
fb.put(4);
fb.put(2);
assert_eq!(alloc::format!("{}", fb), "00101000");
assert_eq!(alloc::format!("{:#}", fb), "0b00101000");
}
// TODO: Rewite this test to be platform agnostic.
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
#[cfg(all(feature = "serde", target_pointer_width = "64"))]
fn test_serialize() {
let mut fb = FixedBitSet::with_capacity(10);
fb.put(2);
fb.put(3);
fb.put(6);
fb.put(8);
let serialized = serde_json::to_string(&fb).unwrap();
assert_eq!(r#"{"length":10,"data":[76,1,0,0,0,0,0,0]}"#, serialized);
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn test_is_clear() {
let mut fb = FixedBitSet::with_capacity(0);
assert!(fb.is_clear());
fb.grow(1);
assert!(fb.is_clear());
fb.put(0);
assert!(!fb.is_clear());
fb.grow(42);
fb.clear();
assert!(fb.is_clear());
fb.put(17);
fb.put(19);
assert!(!fb.is_clear());
}
#[test]
#[cfg_attr(target_family = "wasm", wasm_bindgen_test)]
fn test_is_full() {
let mut fb = FixedBitSet::with_capacity(0);
assert!(fb.is_full());
fb.grow(1);
assert!(!fb.is_full());
fb.put(0);
assert!(fb.is_full());
fb.grow(42);
fb.clear();
assert!(!fb.is_full());
fb.put(17);
fb.put(19);
assert!(!fb.is_full());
fb.insert_range(..);
assert!(fb.is_full());
}
#[test]
fn clone() {
let mut fb = FixedBitSet::with_capacity(10000);
fb.set(11, true);
fb.set(12, true);
fb.set(7, true);
fb.set(35, true);
fb.set(40, true);
fb.set(77, true);
fb.set(95, true);
fb.set(50, true);
fb.set(99, true);
let fb_clone = fb.clone();
let mut fb_clone_from_smaller = FixedBitSet::with_capacity(1000000);
let mut fb_clone_from_same = FixedBitSet::with_capacity(10000);
let mut fb_clone_from_bigger = FixedBitSet::with_capacity(100);
fb_clone_from_smaller.clone_from(&fb);
fb_clone_from_same.clone_from(&fb);
fb_clone_from_bigger.clone_from(&fb);
assert_eq!(&fb, &fb_clone);
assert_eq!(&fb, &fb_clone_from_smaller);
assert_eq!(&fb, &fb_clone_from_same);
assert_eq!(&fb, &fb_clone_from_bigger);
}