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- extern crate tor_util;
- extern crate libc;
- use std::ffi::CString;
- use tor_util::RustString;
- #[test]
- fn rust_string_conversions_preserve_c_string() {
- let s = CString::new("asdf foo").unwrap();
- let r = RustString::from(s.clone());
- let r2 = RustString::from(s.clone());
- let c = r2.as_ptr();
- assert_eq!(unsafe { libc::strlen(c) }, 8);
- let c_str = r.into();
- assert_eq!(s, c_str);
- }
- #[test]
- fn empty_string() {
- let s = CString::new("").unwrap();
- let r = RustString::from(s.clone());
- let c = r.as_ptr();
- assert_eq!(unsafe { libc::strlen(c) }, 0);
- let c_str = r.into();
- assert_eq!(s, c_str);
- }
- #[test]
- fn c_string_with_unicode() {
- // The euro sign is three bytes
- let s = CString::new("asd€asd").unwrap();
- let r = RustString::from(s.clone());
- let c = r.as_ptr();
- assert_eq!(unsafe { libc::strlen(c) }, 9);
- let c_str = r.into();
- assert_eq!(s, c_str);
- }
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