diff options
Diffstat (limited to 'src/test/ui/abi/extern/extern-pass-TwoU32s.rs')
-rw-r--r-- | src/test/ui/abi/extern/extern-pass-TwoU32s.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/abi/extern/extern-pass-TwoU32s.rs b/src/test/ui/abi/extern/extern-pass-TwoU32s.rs new file mode 100644 index 000000000..03a8ecf24 --- /dev/null +++ b/src/test/ui/abi/extern/extern-pass-TwoU32s.rs @@ -0,0 +1,26 @@ +// run-pass +#![allow(improper_ctypes)] + +// ignore-wasm32-bare no libc for ffi testing + +// Test a foreign function that accepts and returns a struct +// by value. + +#[derive(Copy, Clone, PartialEq, Debug)] +pub struct TwoU32s { + one: u32, + two: u32, +} + +#[link(name = "rust_test_helpers", kind = "static")] +extern "C" { + pub fn rust_dbg_extern_identity_TwoU32s(v: TwoU32s) -> TwoU32s; +} + +pub fn main() { + unsafe { + let x = TwoU32s { one: 22, two: 23 }; + let y = rust_dbg_extern_identity_TwoU32s(x); + assert_eq!(x, y); + } +} |