diff options
Diffstat (limited to 'src/test/ui/rfc-2091-track-caller/call-chain.rs')
-rw-r--r-- | src/test/ui/rfc-2091-track-caller/call-chain.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2091-track-caller/call-chain.rs b/src/test/ui/rfc-2091-track-caller/call-chain.rs new file mode 100644 index 000000000..fefb84de7 --- /dev/null +++ b/src/test/ui/rfc-2091-track-caller/call-chain.rs @@ -0,0 +1,26 @@ +// run-pass + +use std::panic::Location; + +struct Foo; + +impl Foo { + #[track_caller] + fn check_loc(&self, line: u32, col: u32) -> &Self { + let loc = Location::caller(); + assert_eq!(loc.file(), file!(), "file mismatch"); + assert_eq!(loc.line(), line, "line mismatch"); + assert_eq!(loc.column(), col, "column mismatch"); + self + } +} + +fn main() { + // Tests that when `Location::caller` is used in a method chain, + // it points to the start of the correct call (the first character after the dot) + // instead of to the very first expression in the chain + let foo = Foo; + foo. + check_loc(line!(), 9).check_loc(line!(), 31) + .check_loc(line!(), 10); +} |