add test

Author: glommer

src/capture.rs

@@ -527,3 +527,32 @@ mod serde_impls {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_frame_conversion() {
+        // captures an original backtrace, and makes sure that the manual conversion
+        // to frames yields the same results.
+        let bt = Backtrace::new();
+        let original_frames = bt.frames();
+        let mut original = original_frames.iter();
+
+        let mut frames = 0;
+        unsafe {
+            crate::trace_unsynchronized(|frame| {
+                // skip the first frame, that happens inside this function so won't match
+                // the original backtrace
+                if frames > 0 {
+                    let converted = BacktraceFrame::from(frame.clone());
+                    let og = original.next().unwrap();
+                    assert_eq!(converted.symbol_address(), og.symbol_address());
+                }
+                frames += 1;
+                true
+            });
+        }
+    }
+}