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Contents?: true
Size: 1.44 KB
Versions: 39
Compression:
Stored size: 1.44 KB
Contents
#[macro_use]
mod sys_common;
use std::fs::OpenOptions;
use system_interface::fs::FileIoExt;
use system_interface::io::IoExt;
#[test]
fn read_to_end_at() {
let dir = tempfile::tempdir().unwrap();
let file = check!(OpenOptions::new()
.create_new(true)
.read(true)
.write(true)
.open(dir.path().join("file")));
check!(write!(&file, "abcdefghijklmnopqrstuvwxyz"));
let mut buf = Vec::new();
check!(file.read_to_end_at(&mut buf, 4));
assert_eq!(check!(file.stream_position()), 26);
assert_eq!(&buf, b"efghijklmnopqrstuvwxyz");
}
#[test]
fn read_to_string_at() {
let dir = tempfile::tempdir().unwrap();
let file = check!(OpenOptions::new()
.create_new(true)
.read(true)
.write(true)
.open(dir.path().join("file")));
check!(write!(&file, "abcdefghijklmnopqrstuvwxyz"));
let mut buf = String::new();
check!(file.read_to_string_at(&mut buf, 4));
assert_eq!(check!(file.stream_position()), 26);
assert_eq!(buf, "efghijklmnopqrstuvwxyz");
}
#[test]
fn read_to_string_at_error() {
let dir = tempfile::tempdir().unwrap();
let file = check!(OpenOptions::new()
.create_new(true)
.read(true)
.write(true)
.open(dir.path().join("file")));
check!(file.write_all(b"abcdefghijklmnopqrstuvwxyz\xc0"));
let mut buf = String::new();
assert!(file.read_to_string_at(&mut buf, 4).is_err());
assert!(buf.is_empty());
}
Version data entries
39 entries across 39 versions & 1 rubygems