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use super::{ProbeArgType, ProbeArgWrapper};
use std::ffi::{CStr, CString};
use std::os::raw::c_char;
impl<'a> ProbeArgType<&'a CStr> for &'a CStr {
type WrapperType = &'a CStr;
fn wrap(arg: &'a CStr) -> Self::WrapperType {
arg
}
}
impl<'a> ProbeArgType<&'a CString> for &'a CString {
type WrapperType = &'a CString;
fn wrap(arg: &'a CString) -> Self::WrapperType {
arg
}
}
impl<'a> ProbeArgWrapper for &'a CStr {
type CType = *const c_char;
fn as_c_type(&self) -> Self::CType {
self.as_ptr()
}
}
impl<'a> ProbeArgWrapper for &'a CString {
type CType = *const c_char;
fn as_c_type(&self) -> Self::CType {
self.as_ptr()
}
}
#[cfg(test)]
mod tests {
use crate::{wrap, ProbeArgWrapper};
use quickcheck::TestResult;
use std::ffi::{CStr, CString};
#[quickcheck]
fn cstring_to_cstring(x: String) -> TestResult {
match CString::new(x.as_str()) {
Ok(cstring) => {
let wrapper = wrap(&x);
let pointer = wrapper.as_c_type();
let cstr = unsafe { CStr::from_ptr(pointer) };
assert_eq!(cstring.as_c_str(), cstr);
TestResult::passed()
}
Err(_) => TestResult::discard(),
}
}
}