[Uninit][7/13] Add new tests

Reviewed By: jeremydubreil

Differential Revision: D10250168

fbshipit-source-id: 5e5983f04

infer/tests/codetoanalyze/c/uninit/uninit.c

@@ -20,3 +20,8 @@ int dereference_bad() {
   int* p;
   return *p;
 }
+
+void FN_self_assign() {
+  int x;
+  x = x;
+}

infer/tests/codetoanalyze/cpp/uninit/issues.exp

@@ -8,6 +8,7 @@ codetoanalyze/cpp/uninit/members.cpp, access_pointer_members_bad, 3, UNINITIALIZ
 codetoanalyze/cpp/uninit/members.cpp, access_pointer_members_bad, 4, UNINITIALIZED_VALUE, no_bucket, ERROR, []
 codetoanalyze/cpp/uninit/members.cpp, access_pointer_members_bad, 5, UNINITIALIZED_VALUE, no_bucket, ERROR, []
 codetoanalyze/cpp/uninit/struct.cpp, pass_basic_type_field_bad, 3, UNINITIALIZED_VALUE, no_bucket, ERROR, []
+codetoanalyze/cpp/uninit/struct.cpp, struct_partial_init_bad, 6, UNINITIALIZED_VALUE, no_bucket, ERROR, []
 codetoanalyze/cpp/uninit/struct.cpp, struct_uninit_bad, 3, UNINITIALIZED_VALUE, no_bucket, ERROR, []
 codetoanalyze/cpp/uninit/uninit.cpp, FP_no_warning_noreturn_callee_ok, 7, UNINITIALIZED_VALUE, no_bucket, ERROR, []
 codetoanalyze/cpp/uninit/uninit.cpp, FP_pointer_param_void_star_ok, 4, UNINITIALIZED_VALUE, no_bucket, ERROR, []

infer/tests/codetoanalyze/cpp/uninit/struct.cpp

@@ -149,3 +149,13 @@ int foo() {
   struct s t = not_a_constructor_but_returning_T();
   return t.n;
 }
+
+short struct_partial_init_bad() {
+  struct {
+    int* a;
+    short* b;
+  } s;
+  s.a = 0;
+  short* p = s.b;
+  return *p;
+}

infer/tests/codetoanalyze/cpp/uninit/uninit.cpp

@@ -293,3 +293,40 @@ int condition_no_init_bad() {
   }
   return 0;
 }
+
+void call_to_fn_ptr_with_init_arg_good(void (*f)(int)) {
+  int a = 42;
+  f(a);
+}
+
+void FN_call_to_fn_ptr_with_uninit_arg_bad(void (*f)(int)) {
+  int a;
+  f(a);
+}
+
+void call_to_init_fn_ptr_good() {
+  void (*f)();
+  f = use_square_ok1;
+  f();
+}
+
+void call_to_init_fn_ptr2_good(bool nondet) {
+  void (*f)();
+  if (nondet)
+    f = use_square_ok1;
+  else
+    f = deref_magic_addr_ok;
+  f();
+}
+
+void FN_call_to_uninit_fn_ptr_bad() {
+  void (*f)();
+  f();
+}
+
+void FN_call_to_maybe_uninit_fn_ptr_bad(bool nondet) {
+  void (*f)();
+  if (nondet)
+    f = use_square_ok1;
+  f();
+}