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wasmer/lib/wasi-tests/wasitests/path_symlink.rs

31 lines
838 B
Rust

// Args:
// mapdir: temp:wasitests/test_fs/temp
// mapdir: hamlet:wasitests/test_fs/hamlet
use std::fs;
use std::io::{Read, Seek, SeekFrom};
use std::path::PathBuf;
fn main() {
#[cfg(not(target_os = "wasi"))]
let mut base = PathBuf::from("wasitests/test_fs");
#[cfg(target_os = "wasi")]
let mut base = PathBuf::from("/");
let symlink_loc = base.join("temp/act3");
let symlink_target = "../hamlet/act3";
let scene1 = symlink_loc.join("scene1.txt");
std::fs::soft_link(&symlink_target, &symlink_loc);
let mut file = fs::File::open(&scene1).expect("Could not open file");
let mut buffer = [0u8; 64];
assert_eq!(file.read(&mut buffer).unwrap(), 64);
let str_val = std::str::from_utf8(&buffer[..]).unwrap();
println!("{}", str_val);
std::fs::remove_file(symlink_loc).unwrap();
}