more test work

veilid-core/src/tests/ios/mod.rs

@@ -0,0 +1,45 @@
+use crate::*;
+use backtrace::Backtrace;
+use std::panic;
+
+#[no_mangle]
+#[allow(dead_code)]
+pub extern "C" fn run_veilid_core_tests() {
+    veilid_core_setup_ios_tests();
+    run_all_tests();
+}
+
+pub fn veilid_core_setup_ios_tests() {
+    // Set up subscriber and layers
+    use tracing_subscriber::{filter, fmt, prelude::*};
+    let filter = VeilidLayerFilter::new(VeilidConfigLogLevel::Trace, None);
+    let fmt_layer = fmt::layer();
+    let layer = tracing_android::layer("veilid-core").expect("failed to set up android logging");
+    tracing_subscriber::registry()
+        .with(filters)
+        .with(fmt_layer)
+        .init();
+
+    panic::set_hook(Box::new(|panic_info| {
+        let bt = Backtrace::new();
+        if let Some(location) = panic_info.location() {
+            error!(
+                "panic occurred in file '{}' at line {}",
+                location.file(),
+                location.line(),
+            );
+        } else {
+            error!("panic occurred but can't get location information...");
+        }
+        if let Some(s) = panic_info.payload().downcast_ref::<&str>() {
+            error!("panic payload: {:?}", s);
+        } else if let Some(s) = panic_info.payload().downcast_ref::<String>() {
+            error!("panic payload: {:?}", s);
+        } else if let Some(a) = panic_info.payload().downcast_ref::<std::fmt::Arguments>() {
+            error!("panic payload: {:?}", a);
+        } else {
+            error!("no panic payload");
+        }
+        error!("Backtrace:\n{:?}", bt);
+    }));
+}