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ffi::c_str added tests for empty strings

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klensy 2021-03-28 19:34:38 +03:00
parent d4c96de64f
commit 84542d22a7
1 changed files with 16 additions and 0 deletions
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16
library/std/src/ffi/c_str/tests.rs
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@ -193,3 +193,19 @@ fn cstr_index_from_empty() {
let cstr = CStr::from_bytes_with_nul(original).unwrap();
let _ = &cstr[original.len()..];
}
#[test]
fn c_string_from_empty_string() {
let original = "";
let cstring = CString::new(original).unwrap();
assert_eq!(original.as_bytes(), cstring.as_bytes());
assert_eq!([b'\0'], cstring.as_bytes_with_nul());
}
#[test]
fn c_str_from_empty_string() {
let original = b"\0";
let cstr = CStr::from_bytes_with_nul(original).unwrap();
assert_eq!([] as [u8; 0], cstr.to_bytes());
assert_eq!([b'\0'], cstr.to_bytes_with_nul());
}