#include "errors.hh"

#include "location.hh"

#include <gtest/gtest.h>
#include <memory>
#include <sstream>

namespace {

void generate(src::Errors& errors) {
  errors.err(src::Location(1, 10), "Fatal error");
  errors.warn(src::Location(2, 0), "This is a warning");
  errors.dbg(src::Location(10, 1000), "Debugging");
  errors.err(src::Location(2, 100), "Another errors error");
}

}  // namespace

TEST(errors, ignore) {
  auto errors = src::ignore_errors();
  generate(*errors);
  EXPECT_EQ(0, errors->errors());
  EXPECT_EQ(0, errors->warnings());
}

TEST(errors, stream) {
  std::stringstream ss;
  std::shared_ptr<src::ErrorsOutput> output = src::errors_output_ios(ss);
  auto errors = src::file_errors("filename", output);
  generate(*errors);
  EXPECT_EQ(2, errors->errors());
  EXPECT_EQ(1, errors->warnings());

  EXPECT_EQ(R"(filename:1:10: Error: Fatal error
filename:2:0: Warning: This is a warning
filename:10:1000: Debug: Debugging
filename:2:100: Error: Another errors error
)",
            ss.str());
}

TEST(location, out) {
  std::stringstream ss;
  ss << src::Location(1, 10);
  EXPECT_EQ("1:10", ss.str());
}