Method ExecTest

tests/test-exec.cc:21–32

struct ExecTest {
  ExecTest() {
    // initialize if necessary
    if (default_device == nullptr) {
      for (auto x : {"ExecTest", "--dynet-seed", "10", "--dynet-mem", "10"}) {
        av.push_back(strdup(x));
      }
      ADD_EXTRA_ARGUMENTS(av)
      char **argv = &av[0];
      int argc = av.size();
      dynet::initialize(argc, argv);
    }
  }
  ~ExecTest() {
    // This was causing double deallocation errors?
    // for (auto x : av) free(x);