Exemplos de MyVector::Length em C++ (Cpp)

Exemplo n.º 1

Arquivo: TestSegmentedVector.cpp Projeto: AtulKumar2/gecko-dev

// This tests basic segmented vector construction and iteration.
void TestBasics()
{
  // A SegmentedVector with a POD element type.
  typedef SegmentedVector<int, 1024, InfallibleAllocPolicy> MyVector;
  MyVector v;
  int i, n;

  MOZ_RELEASE_ASSERT(v.IsEmpty());

  // Add 100 elements, then check various things.
  i = 0;
  for ( ; i < 100; i++) {
    gDummy = v.Append(mozilla::Move(i));
  }
  MOZ_RELEASE_ASSERT(!v.IsEmpty());
  MOZ_RELEASE_ASSERT(v.Length() == 100);

  n = 0;
  for (auto iter = v.Iter(); !iter.Done(); iter.Next()) {
    MOZ_RELEASE_ASSERT(iter.Get() == n);
    n++;
  }
  MOZ_RELEASE_ASSERT(n == 100);

  // Add another 900 elements, then re-check.
  for ( ; i < 1000; i++) {
    v.InfallibleAppend(mozilla::Move(i));
  }
  MOZ_RELEASE_ASSERT(!v.IsEmpty());
  MOZ_RELEASE_ASSERT(v.Length() == 1000);

  n = 0;
  for (auto iter = v.Iter(); !iter.Done(); iter.Next()) {
    MOZ_RELEASE_ASSERT(iter.Get() == n);
    n++;
  }
  MOZ_RELEASE_ASSERT(n == 1000);

  // Pop off all of the elements.
  MOZ_RELEASE_ASSERT(v.Length() == 1000);
  for (int len = (int)v.Length(); len > 0; len--) {
    MOZ_RELEASE_ASSERT(v.GetLast() == len - 1);
    v.PopLast();
  }
  MOZ_RELEASE_ASSERT(v.IsEmpty());
  MOZ_RELEASE_ASSERT(v.Length() == 0);

  // Fill the vector up again to prepare for the clear.
  for (i = 0; i < 1000; i++) {
    v.InfallibleAppend(mozilla::Move(i));
  }
  MOZ_RELEASE_ASSERT(!v.IsEmpty());
  MOZ_RELEASE_ASSERT(v.Length() == 1000);

  v.Clear();
  MOZ_RELEASE_ASSERT(v.IsEmpty());
  MOZ_RELEASE_ASSERT(v.Length() == 0);
}