Create test for InitialisationNotRun

github · geoffw0 · Aug 4, 2025 · Jul 27, 2025 · Jul 27, 2025 · Jul 27, 2025
commit c2d0a12e1e0b458657835be36671291cbb651569
@@ -0,0 +1,32 @@
+#include <string.h>
+
+class GlobalStorage {
+public:
+    char name[1000];
+};
+
+GlobalStorage *g1; // BAD
+static GlobalStorage g2; // GOOD
+static GlobalStorage *g3; // BAD
+// static variables are initialized by compilers
+static int a;  // GOOD
+static int b = 0;  // GOOD
+
+void init() { //initializes g_storage, but is never run from main
+  g1 = new GlobalStorage();
+  g3 = new GlobalStorage();
+}
+
+void init2(int b) {
+  for (int i = 0; i < b; ++i)
+    a *= -1;
+}
+
+int main(int argc, char *argv[]) {
+	//init not called
+  strcpy(g1->name, argv[1]); // g1 is used before init() is called
+  strcpy(g2.name, argv[1]); // g2 is initialised by compiler
+  strcpy(g3->name, argv[1]);
+  b++;
+  return 0;
+}