Move tests to expose them to rustfmt and kcov
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parent
046271a657
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38485b09c7
55
src/event.rs
55
src/event.rs
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@ -41,25 +41,12 @@ impl Event {
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}
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/// Verifies self.end_hash is the result of hashing a 'start_hash' 'self.num_hashes' times.
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///
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/// ```
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/// use phist::event::{Event, next_tick};
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/// assert!(Event::new_tick(0, 0).verify(0)); // base case
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/// assert!(!Event::new_tick(0, 0).verify(1)); // base case, bad
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/// assert!(next_tick(0, 1).verify(0)); // inductive case
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/// assert!(!next_tick(0, 1).verify(1)); // inductive case, bad
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/// ```
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pub fn verify(self: &Self, start_hash: u64) -> bool {
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self.end_hash == next_tick(start_hash, self.num_hashes).end_hash
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}
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}
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/// Creates the next Tick Event 'num_hashes' after 'start_hash'.
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///
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/// ```
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/// use phist::event::next_tick;
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/// assert_eq!(next_tick(0, 1).num_hashes, 1)
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/// ```
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pub fn next_tick(start_hash: u64, num_hashes: u64) -> Event {
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use std::collections::hash_map::DefaultHasher;
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use std::hash::{Hash, Hasher};
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@ -73,15 +60,6 @@ pub fn next_tick(start_hash: u64, num_hashes: u64) -> Event {
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}
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/// Verifies the hashes and counts of a slice of events are all consistent.
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///
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/// ```
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/// use phist::event::{Event, next_tick, verify_slice};
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/// assert!(verify_slice(&vec![], 0)); // base case
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/// assert!(verify_slice(&vec![Event::new_tick(0, 0)], 0)); // singleton case 1
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/// assert!(!verify_slice(&vec![Event::new_tick(0, 0)], 1)); // singleton case 2, bad
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/// assert!(verify_slice(&vec![Event::new_tick(0, 0), next_tick(0, 0)], 0)); // lazy inductive case
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/// assert!(!verify_slice(&vec![Event::new_tick(0, 0), next_tick(1, 0)], 0)); // lazy inductive case, bad
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/// ```
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pub fn verify_slice(events: &[Event], start_hash: u64) -> bool {
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use rayon::prelude::*;
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let genesis = [Event::new_tick(0, start_hash)];
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@ -107,6 +85,39 @@ pub fn create_ticks(start_hash: u64, num_hashes: u64, len: usize) -> Vec<Event>
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events.by_ref().take(len).collect()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_event_verify() {
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assert!(Event::new_tick(0, 0).verify(0)); // base case
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assert!(!Event::new_tick(0, 0).verify(1)); // base case, bad
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assert!(next_tick(0, 1).verify(0)); // inductive case
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assert!(!next_tick(0, 1).verify(1)); // inductive case, bad
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}
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#[test]
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fn test_next_tick() {
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assert_eq!(next_tick(0, 1).num_hashes, 1)
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}
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#[test]
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fn test_verify_slice() {
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assert!(verify_slice(&vec![], 0)); // base case
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assert!(verify_slice(&vec![Event::new_tick(0, 0)], 0)); // singleton case 1
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assert!(!verify_slice(&vec![Event::new_tick(0, 0)], 1)); // singleton case 2, bad
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assert!(verify_slice(
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&vec![Event::new_tick(0, 0), next_tick(0, 0)],
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0
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)); // lazy inductive case
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assert!(!verify_slice(
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&vec![Event::new_tick(0, 0), next_tick(1, 0)],
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0
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)); // lazy inductive case, bad
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}
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}
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#[cfg(all(feature = "unstable", test))]
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mod bench {
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extern crate test;
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