cpp-lazy-stream/test/stream_matchers.h

//
//  stream_test.h
//  stream
//
//  Created by Sam Jaffe on 4/2/23.
//

#pragma once

#include "xcode_gtest_helper.h"

MATCHER_P(RangesEq, to_range, "") {
  auto it1 = arg.begin();
  auto end1 = arg.end();
  auto it2 = to_range.begin();
  auto end2 = to_range.end();

  size_t n = 0;
  for (; it1 != end1 && it2 != end2; ++it1, ++it2, ++n) {
    if (*it1 != *it2) {
      *result_listener << "at index " << n << " where values were: [" << *it1
                       << "," << *it2 << "] differ";
      return false;
    }
  }

  *result_listener << "whose sizes differ";
  return (it1 == end1) && (it2 == end2);
}