65 lines
1.6 KiB
Rust
65 lines
1.6 KiB
Rust
extern crate libloading;
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use libloading::{Symbol, Library};
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const LIBPATH: &'static str = concat!(env!("OUT_DIR"), "/libtest_helpers.dll");
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#[test]
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fn test_id_u32() {
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let lib = Library::new(LIBPATH).unwrap();
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unsafe {
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let f: Symbol<unsafe extern fn(u32) -> u32> = lib.get(b"test_identity_u32\0").unwrap();
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assert_eq!(42, f(42));
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}
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}
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#[repr(C)]
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#[derive(Clone,Copy,PartialEq,Debug)]
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struct S {
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a: u64,
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b: u32,
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c: u16,
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d: u8
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}
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#[test]
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fn test_id_struct() {
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let lib = Library::new(LIBPATH).unwrap();
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unsafe {
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let f: Symbol<unsafe extern fn(S) -> S> = lib.get(b"test_identity_struct\0").unwrap();
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assert_eq!(S { a: 1, b: 2, c: 3, d: 4 }, f(S { a: 1, b: 2, c: 3, d: 4 }));
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}
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}
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#[test]
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fn test_0_no_0() {
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let lib = Library::new(LIBPATH).unwrap();
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unsafe {
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let f: Symbol<unsafe extern fn(S) -> S> = lib.get(b"test_identity_struct\0").unwrap();
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let f2: Symbol<unsafe extern fn(S) -> S> = lib.get(b"test_identity_struct").unwrap();
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assert_eq!(*f, *f2);
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}
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}
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#[test]
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fn wrong_name_fails() {
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Library::new(concat!(env!("OUT_DIR"), "/libtest_help")).err().unwrap();
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}
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#[test]
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fn missing_symbol_fails() {
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let lib = Library::new(LIBPATH).unwrap();
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unsafe {
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lib.get::<Symbol<()>>(b"test_does_not_exist").err().unwrap();
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lib.get::<Symbol<()>>(b"test_does_not_exist\0").err().unwrap();
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}
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}
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#[test]
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fn interior_null_fails() {
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let lib = Library::new(LIBPATH).unwrap();
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unsafe {
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lib.get::<Symbol<()>>(b"test_does\0_not_exist").err().unwrap();
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lib.get::<Symbol<()>>(b"test\0_does_not_exist\0").err().unwrap();
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}
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}
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