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-rw-r--r--vendor/backtrace/tests/skip_inner_frames.rs44
1 files changed, 44 insertions, 0 deletions
diff --git a/vendor/backtrace/tests/skip_inner_frames.rs b/vendor/backtrace/tests/skip_inner_frames.rs
new file mode 100644
index 000000000..8b57bef52
--- /dev/null
+++ b/vendor/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);
+}