mirror of https://github.com/rust-lang/rust
31 lines
861 B
Rust
31 lines
861 B
Rust
//@ run-pass
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//@ revisions: default mir-opt
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//@[default] compile-flags: -Zinline-mir=false
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//@[mir-opt] compile-flags: -Zmir-opt-level=4
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use std::panic::Location;
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struct Foo;
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impl Foo {
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#[inline(always)]
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#[track_caller]
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fn check_loc(&self, line: u32, col: u32) -> &Self {
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let loc = Location::caller();
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assert_eq!(loc.file(), file!(), "file mismatch");
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assert_eq!(loc.line(), line, "line mismatch");
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assert_eq!(loc.column(), col, "column mismatch");
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self
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}
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}
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fn main() {
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// Tests that when `Location::caller` is used in a method chain,
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// it points to the start of the correct call (the first character after the dot)
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// instead of to the very first expression in the chain
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let foo = Foo;
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foo.
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check_loc(line!(), 9).check_loc(line!(), 31)
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.check_loc(line!(), 10);
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}
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