cpp-lazy-stream/test/iota_test.cxx

//
//  iota_test.cxx
//  stream-test
//
//  Created by Sam Jaffe on 4/5/23.
//

#include "stream/view/iota.h"

#include "stream_helpers.h"
#include "stream_matchers.h"

TEST(IotaView, ConcreteHasEmpty) {
  auto range = views::iota(0, 4);
  static_assert(stream::detail::has_empty_v<decltype(range)>);
}

TEST(IotaView, ConcreteHasSize) {
  auto range = views::iota(0, 4);
  static_assert(stream::detail::has_size_v<decltype(range)>);
}

TEST(IotaView, CountsFromStartToEnd) {
  EXPECT_THAT(views::iota(0, 4), RangesEq(std::vector{0, 1, 2, 3}));
}