clang/test/Interpreter/const.cpp

   1 // UNSUPPORTED: system-aix
   2 // see https://github.com/llvm/llvm-project/issues/68092
   3 // XFAIL: system-windows
   4
   5 // RUN: cat %s | clang-repl | FileCheck %s
   6 // RUN: cat %s | clang-repl -Xcc -O2 | FileCheck %s
   7
   8 extern "C" int printf(const char*, ...);
   9
  10 struct A { int val; A(int v); ~A(); void f() const; };
  11 A::A(int v) : val(v) { printf("A(%d), this = %p\n", val, this); }
  12 A::~A() { printf("~A, this = %p, val = %d\n", this, val); }
  13 void A::f() const { printf("f: this = %p, val = %d\n", this, val); }
  14
  15 const A a(1);
  16 // CHECK: A(1), this = [[THIS:.+]]
  17 // The constructor must only be called once!
  18 // CHECK-NOT: A(1)
  19
  20 a.f();
  21 // CHECK-NEXT: f: this = [[THIS]], val = 1
  22 a.f();
  23 // CHECK-NEXT: f: this = [[THIS]], val = 1
  24
  25 %quit
  26 // There must still be no other constructor!
  27 // CHECK-NOT: A(1)
  28
  29 // At the end, we expect exactly one destructor call
  30 // CHECK: ~A
  31 // CHECK-SAME: this = [[THIS]], val = 1
  32 // CHECK-NOT: ~A