cpp-lazy-stream/test/single_test.cxx

//
//  single_test.cxx
//  stream-test
//
//  Created by Sam Jaffe on 4/6/23.
//

#include "stream/view/single.h"

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

using testing::Address;
using testing::Not;

TEST(SingleView, CanBuild) {
  auto range = views::single(0);

  EXPECT_FALSE(range.empty());
  EXPECT_THAT(range.size(), 1);
  EXPECT_THAT(*range.begin(), 0);
}

TEST(SingleView, CopiesElement) {
  int value = 0;
  auto range = views::single(value);

  EXPECT_THAT(*range.begin(), Not(Address(&value)));
}