test ansi / iso exception behavior

src/libCom/test/epicsExceptionTest.cpp

@@ -0,0 +1,76 @@
+
+//
+// Verify that the local c++ exception mechanism maches the ANSI/ISO standard.
+// Author: Jeff Hill
+//
+
+#include <new>
+#include <iostream>
+
+#include <limits.h>
+#include <assert.h>
+
+#include "epicsThread.h"
+
+using namespace std;
+
+class myThread : public epicsThreadRunable {
+public:
+    myThread ();
+    void waitForCompletion ();
+private:
+    epicsThread thread;
+    bool done;
+    void run ();
+};
+
+static void epicsExceptionTestPrivate ()
+{
+    int excep = false;
+    try {
+        new char [LONG_MAX];
+        assert ( 0 );
+    }
+    catch ( const bad_alloc & ) {
+        excep = true;
+    }
+    catch ( ... ) {
+        assert ( 0 );
+    }
+    try {
+        char * p = new ( nothrow ) char [LONG_MAX];
+        assert ( p == 0);
+    }
+    catch( ... ) {
+        assert ( 0 );
+    }
+}
+
+myThread::myThread () :
+    thread ( *this, "testExceptions", epicsThreadGetStackSize(epicsThreadStackSmall) ),
+        done ( false )
+{
+    this->thread.start ();
+}
+
+void myThread::run ()
+{
+    epicsExceptionTestPrivate ();
+    this->done = true;
+}
+
+void myThread::waitForCompletion ()
+{
+    while ( ! this->done ) {
+        epicsThreadSleep ( 0.1 );
+    }
+}
+
+void epicsExceptionTest ()
+{
+    myThread athread;
+
+    epicsExceptionTestPrivate ();
+
+    athread.waitForCompletion ();
+}