cpp-dice-roller/test/exception_test.cxx

//
//  exception_test.cxx
//  dice-td
//
//  Created by Sam Jaffe on 12/18/18.
//  Copyright © 2018 Sam Jaffe. All rights reserved.
//

#include "xcode_gtest_helper.h"

#include "dice-roll/die.h"
#include "dice-roll/exception.h"

using namespace ::testing;

TEST(DiceExceptionTest, PointerIsActuallyAtTheRightLocation) {
  std::string bad{"6d+1"};
  try {
    dice::from_string(bad);
    FAIL();
  } catch (dice::unexpected_token const & e) {
    EXPECT_THAT(e.pointer().length(), Eq(2));
  }
}

TEST(DiceExceptionTest, ErrorAtEndHasSpecialToken) {
  std::string bad{"6d"};
  try {
    dice::from_string(bad);
    FAIL();
  } catch (dice::unexpected_token const & e) {
    EXPECT_THAT(e.pointer(), Eq("<END>"));
  }
}

TEST(DiceExceptionTest, ErrorAtEndCanUseFallback) {
  std::string bad{"6d"};
  try {
    dice::from_string(bad);
    FAIL();
  } catch (dice::unexpected_token const & e) {
    EXPECT_THAT(e.pointer(bad.length()), Eq("~^"));
  }
}