random-access-disk 3.0.1

Continuously read and write to disk, using random offsets and lengths
Documentation 
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use random_access_disk as rad;
use random_access_storage::RandomAccess;
use std::env;
use tempfile::Builder;

#[cfg(feature = "async-std")]
use async_std::test as async_test;
#[cfg(feature = "tokio")]
use tokio::test as async_test;

#[async_test]
// postmortem: read_exact wasn't behaving like we hoped, so we had to switch
// back to `.read()` and disable clippy for that rule specifically.
async fn regress_1() {
  let dir = Builder::new()
    .prefix("random-access-disk")
    .tempdir()
    .unwrap();
  let mut file =
    rad::RandomAccessDisk::open(dir.path().join("regression-1.db"))
      .await
      .unwrap();
  file.write(27, b"").await.unwrap();
  file.read(13, 5).await.unwrap();
}

#[async_test]
// postmortem: accessing the same file twice would fail, so we had to switch to
// from `.create_new()` to `.create()`.
//
// NOTE: test needs to be run twice in a row to trigger regression. I'm sorry.
async fn regress_2() {
  let mut dir = env::temp_dir();
  dir.push("regression-2.db");
  let mut file = rad::RandomAccessDisk::open(dir).await.unwrap();
  file.write(27, b"").await.unwrap();
}