From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- library/backtrace/tests/skip_inner_frames.rs | 44 ++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 library/backtrace/tests/skip_inner_frames.rs (limited to 'library/backtrace/tests/skip_inner_frames.rs') diff --git a/library/backtrace/tests/skip_inner_frames.rs b/library/backtrace/tests/skip_inner_frames.rs new file mode 100644 index 000000000..8b57bef52 --- /dev/null +++ b/library/backtrace/tests/skip_inner_frames.rs @@ -0,0 +1,44 @@ +use backtrace::Backtrace; + +// This test only works on platforms which have a working `symbol_address` +// function for frames which reports the starting address of a symbol. As a +// result it's only enabled on a few platforms. +const ENABLED: bool = cfg!(all( + // Windows hasn't really been tested, and OSX doesn't support actually + // finding an enclosing frame, so disable this + target_os = "linux", + // On ARM finding the enclosing function is simply returning the ip itself. + not(target_arch = "arm"), +)); + +#[test] +fn backtrace_new_unresolved_should_start_with_call_site_trace() { + if !ENABLED { + return; + } + let mut b = Backtrace::new_unresolved(); + b.resolve(); + println!("{:?}", b); + + assert!(!b.frames().is_empty()); + + let this_ip = backtrace_new_unresolved_should_start_with_call_site_trace as usize; + println!("this_ip: {:?}", this_ip as *const usize); + let frame_ip = b.frames().first().unwrap().symbol_address() as usize; + assert_eq!(this_ip, frame_ip); +} + +#[test] +fn backtrace_new_should_start_with_call_site_trace() { + if !ENABLED { + return; + } + let b = Backtrace::new(); + println!("{:?}", b); + + assert!(!b.frames().is_empty()); + + let this_ip = backtrace_new_should_start_with_call_site_trace as usize; + let frame_ip = b.frames().first().unwrap().symbol_address() as usize; + assert_eq!(this_ip, frame_ip); +} -- cgit v1.2.3