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#![allow(non_snake_case)]
extern crate nsstring;
use nsstring::*;
use std::ffi::CString;
use std::fmt::Write;
use std::os::raw::c_char;
fn nonfatal_fail(msg: String) {
extern "C" {
fn GTest_ExpectFailure(message: *const c_char);
}
unsafe {
let msg = CString::new(msg).unwrap();
GTest_ExpectFailure(msg.as_ptr());
}
}
/// This macro checks if the two arguments are equal, and causes a non-fatal
/// GTest test failure if they are not.
macro_rules! expect_eq {
($x:expr, $y:expr) => {
match (&$x, &$y) {
(x, y) => {
if *x != *y {
nonfatal_fail(format!(
"check failed: (`{:?}` == `{:?}`) at {}:{}",
x,
y,
file!(),
line!()
))
}
}
}
};
}
#[no_mangle]
pub extern "C" fn Rust_StringFromCpp(cs: *const nsACString, s: *const nsAString) {
unsafe {
expect_eq!(&*cs, "Hello, World!");
expect_eq!(&*s, "Hello, World!");
}
}
#[no_mangle]
pub extern "C" fn Rust_AssignFromRust(cs: *mut nsACString, s: *mut nsAString) {
unsafe {
(*cs).assign(&nsCString::from("Hello, World!"));
expect_eq!(&*cs, "Hello, World!");
(*s).assign(&nsString::from("Hello, World!"));
expect_eq!(&*s, "Hello, World!");
}
}
extern "C" {
fn Cpp_AssignFromCpp(cs: *mut nsACString, s: *mut nsAString);
}
#[no_mangle]
pub extern "C" fn Rust_AssignFromCpp() {
let mut cs = nsCString::new();
let mut s = nsString::new();
unsafe {
Cpp_AssignFromCpp(&mut *cs, &mut *s);
}
expect_eq!(cs, "Hello, World!");
expect_eq!(s, "Hello, World!");
}
#[no_mangle]
pub extern "C" fn Rust_StringWrite() {
let mut cs = nsCString::new();
let mut s = nsString::new();
write!(s, "a").unwrap();
write!(cs, "a").unwrap();
expect_eq!(s, "a");
expect_eq!(cs, "a");
write!(s, "bc").unwrap();
write!(cs, "bc").unwrap();
expect_eq!(s, "abc");
expect_eq!(cs, "abc");
write!(s, "{}", 123).unwrap();
write!(cs, "{}", 123).unwrap();
expect_eq!(s, "abc123");
expect_eq!(cs, "abc123");
}
#[no_mangle]
pub extern "C" fn Rust_FromEmptyRustString() {
let mut test = nsString::from("Blah");
test.assign_utf8(&nsCString::from(String::new()));
assert!(test.is_empty());
}
#[no_mangle]
pub extern "C" fn Rust_WriteToBufferFromRust(
cs: *mut nsACString,
s: *mut nsAString,
fallible_cs: *mut nsACString,
fallible_s: *mut nsAString,
) {
unsafe {
let cs_buf = (*cs).to_mut();
let s_buf = (*s).to_mut();
let fallible_cs_buf = (*fallible_cs).fallible_to_mut().unwrap();
let fallible_s_buf = (*fallible_s).fallible_to_mut().unwrap();
cs_buf[0] = b'A';
cs_buf[1] = b'B';
cs_buf[2] = b'C';
s_buf[0] = b'A' as u16;
s_buf[1] = b'B' as u16;
s_buf[2] = b'C' as u16;
fallible_cs_buf[0] = b'A';
fallible_cs_buf[1] = b'B';
fallible_cs_buf[2] = b'C';
fallible_s_buf[0] = b'A' as u16;
fallible_s_buf[1] = b'B' as u16;
fallible_s_buf[2] = b'C' as u16;
}
}
#[no_mangle]
pub extern "C" fn Rust_VoidStringFromRust(cs: &mut nsACString, s: &mut nsAString) {
cs.set_is_void(true);
s.set_is_void(true);
}