rust/tests/run-pass/file_read.rs
2019-10-01 11:10:37 -05:00

20 lines
679 B
Rust

// ignore-windows: File handling is not implemented yet
// compile-flags: -Zmiri-disable-isolation
use std::fs::File;
use std::io::{ Read, Write };
fn main() {
// FIXME: remove the file and delete it when `rm` is implemented.
// Test creating, writing and closing a file (closing is tested when `file` is dropped).
let mut file = File::create("./tests/hello.txt").unwrap();
file.write(b"Hello, World!\n").unwrap();
// Test opening, reading and closing a file.
let mut file = File::open("./tests/hello.txt").unwrap();
let mut contents = String::new();
file.read_to_string(&mut contents).unwrap();
assert_eq!("Hello, World!\n", contents);
}