From eb679c9c5d57c88deaa313608af4011befc69605 Mon Sep 17 00:00:00 2001 From: Adam Perry Date: Thu, 14 Nov 2019 07:47:35 -0800 Subject: [PATCH] Add test for Location::caller in a macro. --- .../intrinsic-wrapper.rs | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 src/test/ui/rfc-2091-track-caller/intrinsic-wrapper.rs diff --git a/src/test/ui/rfc-2091-track-caller/intrinsic-wrapper.rs b/src/test/ui/rfc-2091-track-caller/intrinsic-wrapper.rs new file mode 100644 index 000000000000..76e62b89ab81 --- /dev/null +++ b/src/test/ui/rfc-2091-track-caller/intrinsic-wrapper.rs @@ -0,0 +1,21 @@ +// run-pass + +#![feature(track_caller)] + +macro_rules! caller_location_from_macro { + () => (core::panic::Location::caller()); +} + +fn main() { + let loc = core::panic::Location::caller(); + assert_eq!(loc.file(), file!()); + assert_eq!(loc.line(), 10); + assert_eq!(loc.column(), 15); + + // `Location::caller()` in a macro should behave similarly to `file!` and `line!`, + // i.e. point to where the macro was invoked, instead of the macro itself. + let loc2 = caller_location_from_macro!(); + assert_eq!(loc2.file(), file!()); + assert_eq!(loc2.line(), 17); + assert_eq!(loc2.column(), 16); +}