add automated test for exception handling

AutomatedTests/CMakeLists.txt

@@ -79,4 +79,4 @@ if(CMAKE_SYSTEM_NAME MATCHES Retro68)
         ${LAUNCH_METHOD_FLAG} ${RETRO68_TEST_CONFIG} Segments.bin)
 endif()
 
-
+test(Exceptions.cc PROPERTIES PASS_REGULAR_EXPRESSION "OK")

AutomatedTests/Exceptions.cc

@@ -0,0 +1,73 @@
+/*
+     Copyright 2019 Wolfgang Thaller.
+
+     This file is part of Retro68.
+
+     Retro68 is free software: you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation, either version 3 of the License, or
+     (at your option) any later version.
+
+     Retro68 is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with Retro68.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <exception>
+#include <stdlib.h>
+#include <stdio.h>
+
+class Foo
+{
+};
+
+void foobar()
+{
+    throw Foo();
+}
+
+void UnexpectedExceptionOccurred()
+{
+    printf("std::unexpected called.\n");
+    exit(1);
+}
+
+void UncaughtExceptionOccurred()
+{
+    printf("std::terminate called.\n");
+    exit(1);
+}
+
+int main(int argc, char** argv)
+{
+    freopen("out", "w", stdout);
+
+    std::set_unexpected(&UnexpectedExceptionOccurred);
+    std::set_terminate(&UncaughtExceptionOccurred);
+
+    bool throwFail = false;
+    bool catchFail = true;
+            
+    try
+    {
+        foobar();
+        throwFail = true;
+    }
+    catch(...)
+    {
+        catchFail = false;
+    }
+
+    if(throwFail)
+        printf("throw didn't really throw\n");
+    if(catchFail)
+        printf("catch block never entered\n");
+
+    if(!throwFail && !catchFail)
+        printf("OK\n");
+    return 0;
+}