Add BEAST_THROWS

CHANGELOG.md

@@ -1,3 +1,9 @@
+Version 272:
+
+* Add BEAST_THROWS
+
+--------------------------------------------------------------------------------
+
 Version 271:
 
 * Add HTTP async client with system_executor example

include/boost/beast/_experimental/unit_test/suite.hpp

@@ -639,6 +639,20 @@ run(runner& r)
     (::boost::beast::unit_test::suite::this_suite()->fail((reason), __FILE__, __LINE__), false))
 #endif
 
+/** Ensure an exception is thrown
+*/
+#define BEAST_THROWS( EXPR, EXCEP ) \
+    try { \
+        EXPR; \
+        BEAST_FAIL(); \
+    } \
+    catch(EXCEP const&) { \
+        BEAST_PASS(); \
+    } \
+    catch(...) { \
+        BEAST_FAIL(); \
+    }
+
 } // unit_test
 } // beast
 } // boost