grassrootseconomics
/
openethereum
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

move MemoryDB's tests into tests module

This commit is contained in:
Guanqun Lu 2017-05-27 11:33:18 +08:00
parent 4efd673c19
commit ce8f8f40d7
1 changed files with 45 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

85
util/src/memorydb.rs
View File

@ -250,46 +250,51 @@ impl HashDB for MemoryDB {
}
}
#[test]
fn memorydb_remove_and_purge() {
let hello_bytes = b"Hello world!";
let hello_key = hello_bytes.sha3();
#[cfg(test)]
mod tests {
use super::*;
let mut m = MemoryDB::new();
m.remove(&hello_key);
assert_eq!(m.raw(&hello_key).unwrap().1, -1);
m.purge();
assert_eq!(m.raw(&hello_key).unwrap().1, -1);
m.insert(hello_bytes);
assert_eq!(m.raw(&hello_key).unwrap().1, 0);
m.purge();
assert_eq!(m.raw(&hello_key), None);
#[test]
fn memorydb_remove_and_purge() {
let hello_bytes = b"Hello world!";
let hello_key = hello_bytes.sha3();
let mut m = MemoryDB::new();
assert!(m.remove_and_purge(&hello_key).is_none());
assert_eq!(m.raw(&hello_key).unwrap().1, -1);
m.insert(hello_bytes);
m.insert(hello_bytes);
assert_eq!(m.raw(&hello_key).unwrap().1, 1);
assert_eq!(&*m.remove_and_purge(&hello_key).unwrap(), hello_bytes);
assert_eq!(m.raw(&hello_key), None);
assert!(m.remove_and_purge(&hello_key).is_none());
}
#[test]
fn consolidate() {
let mut main = MemoryDB::new();
let mut other = MemoryDB::new();
let remove_key = other.insert(b"doggo");
main.remove(&remove_key);
let insert_key = other.insert(b"arf");
main.emplace(insert_key, DBValue::from_slice(b"arf"));
main.consolidate(other);
let overlay = main.drain();
assert_eq!(overlay.get(&remove_key).unwrap(), &(DBValue::from_slice(b"doggo"), 0));
assert_eq!(overlay.get(&insert_key).unwrap(), &(DBValue::from_slice(b"arf"), 2));
let mut m = MemoryDB::new();
m.remove(&hello_key);
assert_eq!(m.raw(&hello_key).unwrap().1, -1);
m.purge();
assert_eq!(m.raw(&hello_key).unwrap().1, -1);
m.insert(hello_bytes);
assert_eq!(m.raw(&hello_key).unwrap().1, 0);
m.purge();
assert_eq!(m.raw(&hello_key), None);
let mut m = MemoryDB::new();
assert!(m.remove_and_purge(&hello_key).is_none());
assert_eq!(m.raw(&hello_key).unwrap().1, -1);
m.insert(hello_bytes);
m.insert(hello_bytes);
assert_eq!(m.raw(&hello_key).unwrap().1, 1);
assert_eq!(&*m.remove_and_purge(&hello_key).unwrap(), hello_bytes);
assert_eq!(m.raw(&hello_key), None);
assert!(m.remove_and_purge(&hello_key).is_none());
}
#[test]
fn consolidate() {
let mut main = MemoryDB::new();
let mut other = MemoryDB::new();
let remove_key = other.insert(b"doggo");
main.remove(&remove_key);
let insert_key = other.insert(b"arf");
main.emplace(insert_key, DBValue::from_slice(b"arf"));
main.consolidate(other);
let overlay = main.drain();
assert_eq!(overlay.get(&remove_key).unwrap(), &(DBValue::from_slice(b"doggo"), 0));
assert_eq!(overlay.get(&insert_key).unwrap(), &(DBValue::from_slice(b"arf"), 2));
}
}