New upstream version 1.57.0+dfsg1

[rustc.git] / compiler / rustc_codegen_gcc / example / track-caller-attribute.rs

diff --git a/compiler/rustc_codegen_gcc/example/track-caller-attribute.rs b/compiler/rustc_codegen_gcc/example/track-caller-attribute.rs
new file mode 100644 (file)
index 0000000..93bab17
--- /dev/null
+++ b/compiler/rustc_codegen_gcc/example/track-caller-attribute.rs
@@ -0,0 +1,40 @@
+// Based on https://github.com/anp/rust/blob/175631311716d7dfeceec40d2587cde7142ffa8c/src/test/ui/rfc-2091-track-caller/track-caller-attribute.rs
+
+// run-pass
+
+use std::panic::Location;
+
+#[track_caller]
+fn tracked() -> &'static Location<'static> {
+    Location::caller()
+}
+
+fn nested_intrinsic() -> &'static Location<'static> {
+    Location::caller()
+}
+
+fn nested_tracked() -> &'static Location<'static> {
+    tracked()
+}
+
+fn main() {
+    let location = Location::caller();
+    assert_eq!(location.file(), file!());
+    assert_eq!(location.line(), 21);
+    assert_eq!(location.column(), 20);
+
+    let tracked = tracked();
+    assert_eq!(tracked.file(), file!());
+    assert_eq!(tracked.line(), 26);
+    assert_eq!(tracked.column(), 19);
+
+    let nested = nested_intrinsic();
+    assert_eq!(nested.file(), file!());
+    assert_eq!(nested.line(), 13);
+    assert_eq!(nested.column(), 5);
+
+    let contained = nested_tracked();
+    assert_eq!(contained.file(), file!());
+    assert_eq!(contained.line(), 17);
+    assert_eq!(contained.column(), 5);
+}