tests: Catch exceptions by const ref

kjellahl · kjellahl · commit 705d4574c921 · 2018-10-30T12:57:44.000+01:00
To avoid "error: catching polymorphic type ‘class std::range_error’ by value"
diff --git a/tests/test_exception_catch.cc b/tests/test_exception_catch.cc
@@ -1,4 +1,3 @@
-// -*- c++ -*-
 /* Copyright 2002, The libsigc++ Development Team
  *  Assigned to public domain.  Use as you wish without restriction.
  */
@@ -54,7 +53,7 @@ struct my_catch
     {
       throw;
     }
-    catch (std::range_error e) // catch what types we know
+    catch (const std::range_error& e) // catch what types we know
     {
       result_stream << "caught " << e.what();
     }

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,3 @@`
`1`		`-// -- c++ --`
`2`	`1`	`/* Copyright 2002, The libsigc++ Development Team`
`3`	`2`	`* Assigned to public domain. Use as you wish without restriction.`
`4`	`3`	`*/`
`@@ -54,7 +53,7 @@ struct my_catch`
`54`	`53`	`{`
`55`	`54`	`throw;`
`56`	`55`	`}`
`57`		`- catch (std::range_error e) // catch what types we know`
	`56`	`+ catch (const std::range_error& e) // catch what types we know`
`58`	`57`	`{`
`59`	`58`	`result_stream << "caught " << e.what();`
`60`	`59`	`}`