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#![cfg(windows)]
extern crate libloading;
use libloading::os::windows::*;
use std::ffi::CStr;
// The ordinal DLL contains exactly one function (other than DllMain, that is) with ordinal number
// 1. This function has the sugnature `fn() -> *const c_char` and returns a string "bunny\0" (in
// reference to WindowsBunny).
//
// Both x86_64 and x86 versions of the .dll are functionally the same. Ideally we would compile the
// dlls with well known ordinals from our own testing helpers library, but rustc does not allow
// specifying a custom .def file (https://github.com/rust-lang/rust/issues/35089)
//
// The DLLs were kindly compiled by WindowsBunny (aka. @retep998).
#[cfg(target_arch="x86")]
fn load_ordinal_lib() -> Library {
unsafe {
Library::new("tests/nagisa32.dll").expect("nagisa32.dll")
}
}
#[cfg(target_arch="x86_64")]
fn load_ordinal_lib() -> Library {
unsafe {
Library::new("tests/nagisa64.dll").expect("nagisa64.dll")
}
}
#[cfg(any(target_arch="x86", target_arch="x86_64"))]
#[test]
fn test_ordinal() {
let lib = load_ordinal_lib();
unsafe {
let windows: Symbol<unsafe fn() -> *const i8> = lib.get_ordinal(1).expect("function");
assert_eq!(CStr::from_ptr(windows()).to_bytes(), b"bunny");
}
}
#[cfg(any(target_arch="x86", target_arch="x86_64"))]
#[test]
fn test_ordinal_missing_fails() {
let lib = load_ordinal_lib();
unsafe {
let r: Result<Symbol<unsafe fn() -> *const i8>, _> = lib.get_ordinal(2);
r.err().unwrap();
let r: Result<Symbol<unsafe fn() -> *const i8>, _> = lib.get_ordinal(!0);
r.err().unwrap();
}
}
#[test]
fn test_new_kernel23() {
unsafe {
Library::new("kernel23").err().unwrap();
}
}
#[test]
fn test_new_kernel32_no_ext() {
unsafe {
Library::new("kernel32").unwrap();
}
}
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