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macro_rules! generate_test {
( $(($m: ident $nbits: ident => $($block: ident)*)) * ) => {
$(
mod $m {
$(
mod $block {
use num::{Zero, One};
use ::{NbitsVec, $nbits};
type NV = NbitsVec<$nbits, $block>;
fn mask(n: usize) -> $block {
(0..n).fold($block::zero(), |b, _x| b << 1 | $block::one())
}
mod struct_static {
use ::std::mem::size_of;
use super::{mask, NV};
#[test]
fn nbits() {
assert!(NV::nbits() > 0);
}
#[test]
fn block_bits() {
assert_eq!(NV::block_bits(), size_of::<$block>() * 8);
}
#[test]
fn bit_loc() {
assert_eq!(NV::bit_loc(0), (0, 0));
assert_eq!(NV::bit_loc(1), (0, 1));
let block_bits = NV::block_bits();
for i in 3..79 {
assert_eq!(NV::bit_loc(i),
(i / block_bits, i % block_bits));
}
}
#[test]
fn mask_ok() {
assert_eq!(NV::mask(), mask(NV::nbits()));
}
}
mod private_api {
use super::{mask, NV};
#[test]
fn raw_bit() {
let mut vec = NV::with_capacity(100);
unsafe {
for i in 0..(100 * NV::nbits()) {
vec.set_raw_bit(i, true);
assert_eq!(vec.get_raw_bit(i), true);
vec.set_raw_bit(i, false);
assert_eq!(vec.get_raw_bit(i), false);
}
}
}
#[test]
fn raw_bits() {
let mut vec = NV::with_capacity(100);
unsafe {
for n in 2..8 {
for i in 0..(100 * NV::nbits() - n) {
vec.set_raw_bits(i, n, 0b1001);
println!("N = {}, i = {}", n, i);
vec.get_raw_bits(i, n);
assert_eq!(vec.get_raw_bits(i, n), 0b1001 & mask(n));
}
for i in 0..n {
let j = 100 * NV::nbits() - i;
vec.get_raw_bits(j, n);
}
}
}
}
#[test]
fn get_raw_bits() {
let vec = NV::with_capacity(100);
unsafe {
vec.get_raw_bits(1, 1);
vec.get_raw_bits(2, 2);
vec.get_raw_bits(3, 3);
}
}
#[cfg(build = "debug")]
#[test]
#[should_panic]
fn failed_get_raw_bits() {
let vec = NV::with_capacity(100);
unsafe {
vec.get_raw_bits(0, 100);
}
}
}
mod public_api {
use super::{NV};
#[test]
fn new() {
let vec = NV::new();
assert_eq!(vec.capacity(), 0);
assert_eq!(vec.len(), 0);
assert_eq!(vec.used_raw_cap(), 0);
assert_eq!(vec.raw_cap(), 0);
}
#[test]
fn push_pop() {
let mut vec = NV::new();
vec.push(1);
assert!(vec.capacity() >= 1);
assert_eq!(vec.len(), 1);
assert_eq!(vec.used_raw_cap(), 1);
assert_eq!(vec.raw_cap(), 1);
println!("{:?}", vec);
assert_eq!(vec.pop(), Some(1));
println!("Push...");
for _i in 0..100 {
vec.push(1);
}
for _i in 0..100 {
println!("{}", _i);
assert_eq!(vec.pop(), Some(1));
}
}
#[test]
fn resize() {
let mut vec = NV::new();
println!("resize 100 `1`");
vec.resize(100, 1);
assert_eq!(vec.len(), 100);
assert!(vec.capacity() >= 100);
let bigger_cap = vec.capacity();
println!("resize to 10 `0`");
vec.resize(10, 0);
assert_eq!(vec.len(), 10);
assert!(vec.capacity() < bigger_cap);
}
#[test]
fn resize_large() {
let mut vec = NV::new();
const LEN: usize = 10000;
vec.resize(LEN, 1);
vec.resize(LEN * 2, 2);
vec.resize(LEN * 3, 3);
}
#[test]
fn get_set() {
let mut vec = NV::new();
vec.resize(100, 0b1111);
for i in 0..100 {
vec.set(i, 0);
}
for i in 0..100 {
let v = vec.get(i);
assert_eq!(v, 0);
}
}
#[test]
fn fill() {
let mut vec = NV::new();
vec.resize(1000, 0b11111);
for i in 0..500 {
vec.fill(i, i, 0b111001 >> (i / 100));
for j in (i..).take(i) {
assert_eq!(vec.get(j), 0b111001 >> (i / 100) & NV::mask());
}
}
}
#[test]
fn align() {
let mut vec = NV::new();
let n = 7;
for i in (0..).map(|x| x * x).take(n) {
let l = vec.len();
vec.align(i, i * 2);
assert_eq!(vec.len(), l + i);
}
for i in (0..n).map(|x| x * x).rev() {
let l = vec.len();
vec.align(i * 2, i);
assert_eq!(vec.len(), l - i);
}
}
}
mod threadsafe {
use ::{NbitsVec, $nbits};
type NV = NbitsVec<$nbits, $block>;
#[test]
fn new() {
use std::thread;
use std::sync::mpsc::channel;
let (tx, rx) = channel();
for _ in 0..10 {
let tx = tx.clone();
thread::spawn(move || {
tx.send(NV::new()).unwrap();
});
}
for _ in 0..10 {
let _ = rx.recv().unwrap();
}
}
#[test]
fn with_capacity() {
use std::thread;
use std::sync::mpsc::channel;
let (tx, rx) = channel();
for i in 0..10 {
let tx = tx.clone();
thread::spawn(move || {
tx.send(NV::with_capacity(i)).unwrap();
});
}
for i in 0..10 {
let j = rx.recv().unwrap();
println!("{} capacity: {}", i, j.capacity());
}
}
}
}
)*
}
)*
}
}
generate_test! {
(n1 N1 => u8 u16 u32 u64 usize)
(n2 N2 => u8 u16 u32 u64 usize)
(n3 N3 => u8 u16 u32 u64 usize)
(n4 N4 => u8 u16 u32 u64 usize)
(n8 N8 => u8 u16 u32 u64 usize)
}
macro_rules! panic_test {
( $(($m: ident $nbits: ident => $($block: ident)*)) * ) => {
$(
mod $m {
$(
mod $block {
use ::{NbitsVec, $nbits};
type NV = NbitsVec<$nbits, $block>;
#[test]
#[should_panic]
fn panic_new() {
NV::new();
}
#[test]
#[should_panic]
fn panic_with_capacity() {
NV::with_capacity(10);
}
#[test]
#[should_panic]
fn panic_from_raw_parts() {
unsafe {
NV::from_raw_parts(::std::ptr::null_mut(), 0, 0);
}
}
}
)*
}
)*
}
}
panic_test! {
(n9 N9 => u8)
(n17 N17 => u8 u16)
(n33 N33 => u8 u16 u32)
}