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