From 4bb431f7728eaf383a07e86f9754a5b67575dab0 Mon Sep 17 00:00:00 2001
From: Ryan <ryan.burn@gmail.com>
Date: Wed, 18 Sep 2019 14:59:25 -0700
Subject: [PATCH] Fix mocktracer exception handling. (#118)

---
 mocktracer/src/mock_span_context.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/mocktracer/src/mock_span_context.h b/mocktracer/src/mock_span_context.h
index 742c8d1..ed156da 100644
--- a/mocktracer/src/mock_span_context.h
+++ b/mocktracer/src/mock_span_context.h
@@ -2,6 +2,7 @@
 #define OPENTRACING_MOCKTRACER_SPAN_CONTEXT_H
 
 #include <opentracing/mocktracer/tracer.h>
+#include <exception>
 #include <mutex>
 #include <string>
 #include "propagation.h"
@@ -30,12 +31,16 @@ class MockSpanContext : public SpanContext {
       std::function<bool(const std::string& key, const std::string& value)> f)
       const override;
 
-  std::string ToTraceID() const noexcept override {
+  std::string ToTraceID() const noexcept override try {
     return std::to_string(data_.trace_id);
+  } catch (const std::exception& /*e*/) {
+    return {};
   }
 
-  std::string ToSpanID() const noexcept override {
+  std::string ToSpanID() const noexcept override try {
     return std::to_string(data_.span_id);
+  } catch (const std::exception& /*e*/) {
+    return {};
   }
 
   uint64_t trace_id() const noexcept { return data_.trace_id; }