improve verification of crashing programs

[simgrid.git] / teshsuite / mc / random-bug / random-bug.cpp

diff --git a/teshsuite/mc/random-bug/random-bug.cpp b/teshsuite/mc/random-bug/random-bug.cpp
new file mode 100644 (file)
index 0000000..4f3a9f8
--- /dev/null
+++ b/teshsuite/mc/random-bug/random-bug.cpp
@@ -0,0 +1,49 @@
+/* Copyright (c) 2014-2019. The SimGrid Team. All rights reserved.          */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include <simgrid/modelchecker.h>
+#include <simgrid/s4u.hpp>
+
+#include <stdio.h> /* snprintf */
+
+enum { ABORT, ASSERT, PRINTF } behavior;
+
+/** An (fake) application with a bug occuring for some random values */
+static void app()
+{
+  int x = MC_random(0, 5);
+  int y = MC_random(0, 5);
+
+  if (behavior == ABORT) {
+    abort();
+  } else if (behavior == ASSERT) {
+    MC_assert(x != 3 || y != 4);
+  } else if (behavior == PRINTF) {
+    if (x == 3 && y == 4)
+      fprintf(stderr, "Error reached\n");
+  }
+}
+
+/** Main function */
+int main(int argc, char* argv[])
+{
+  simgrid::s4u::Engine e(&argc, argv);
+  xbt_assert(argc == 3, "Usage: random-bug raise|assert <platformfile>");
+  if (strcmp(argv[1], "abort") == 0) {
+    printf("Behavior: abort\n");
+    behavior = ABORT;
+  } else if (strcmp(argv[1], "assert") == 0) {
+    printf("Behavior: assert\n");
+    behavior = ASSERT;
+  } else if (strcmp(argv[1], "printf") == 0) {
+    printf("Behavior: printf\n");
+    behavior = PRINTF;
+  }
+
+  e.load_platform(argv[2]);
+
+  simgrid::s4u::Actor::create("app", simgrid::s4u::Host::by_name("Fafard"), &app);
+  e.run();
+}