1#include <cassert>
 2#include <iostream>
 3
 4#ifndef _LIBCPP_HAS_NO_THREADS
 5#include <future>
 6#endif
 7
 8thread_local unsigned int tls_counter = 1;
 9
10// a non-optimized way of checking for prime numbers:
11bool is_prime(int x) {
12  for (int i = 2; i <x ; ++i) {
13    if (x % i == 0) {
14      return false;
15    }
16  }
17  return true;
18}
19
20class CTest {
21public:
22  CTest(int val) : m_val(val) {
23    tls_counter++;
24  };
25  virtual ~CTest() {}
26
27  virtual int getVal() const { return m_val; }
28  virtual void printVal() { std::cout << "val=" << m_val << std::endl; }
29private:
30  int m_val;
31};
32
33class GlobalConstructorTest {
34public:
35  GlobalConstructorTest(int val) : m_val(val) {};
36  virtual ~GlobalConstructorTest() {}
37
38  virtual int getVal() const { return m_val; }
39  virtual void printVal() { std::cout << "val=" << m_val << std::endl; }
40private:
41  int m_val;
42};
43
44
45volatile int runtime_val = 456;
46GlobalConstructorTest global(runtime_val);	// test if global initializers are called.
47
48int main (int argc, char *argv[])
49{
50  assert(global.getVal() == 456);
51
52  auto t = std::make_unique<CTest>(123);
53  assert(t->getVal() != 456);
54  assert(tls_counter == 2);
55  if (argc > 1) {
56    t->printVal();
57  }
58  bool ok = t->getVal() == 123;
59
60  if (!ok) abort();
61
62#ifndef _LIBCPP_HAS_NO_THREADS
63  std::future<bool> fut = std::async(is_prime, 313);
64  bool ret = fut.get();
65  assert(ret);
66#endif
67
68#if !defined(__wasm__) && !defined(__APPLE__)
69  // WASM and macOS are not passing this yet.
70  // TODO file an issue for this and link it here.
71  try {
72    throw 20;
73  } catch (int e) {
74    assert(e == 20);
75  }
76#endif
77
78  return EXIT_SUCCESS;
79}