#include <freepipe/freepipe.hpp>
#include <gtest/gtest.h>
#include <iostream>

namespace freepipe {

TEST(PipeTest, Single) {
  Pipe p;

  auto r = p | [] { return 42; } |
           [](auto result) {
             EXPECT_EQ(result, 42);
             return result;
           } |
           std::cout |
           [] {
             SUCCEED();
             return 0;
           } |
           [](auto result) { EXPECT_EQ(result, 0); } | [] { return 0; };

  EXPECT_EQ(*r, std::tuple{0});
}

} // namespace freepipe