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//          Copyright Joakim Karlsson & Kim Gräsman 2010-2013.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)

#include <snowhouse/snowhouse.h>
#include <stdexcept>
using namespace snowhouse;

#include "tests.h"

class ClassWithExceptions
{
public:
  int LogicError()
  {
    throw std::logic_error("not logical!");
  }
  
  double RangeError()
  {
    throw std::range_error("range error!");
  }
  
  void NoError()
  {
  }
};

void ExceptionTests()
{
  ClassWithExceptions objectUnderTest;  

  std::cout << "================================================" << std::endl;
  std::cout << "   ExceptionTests" << std::endl;
  std::cout << "================================================" << std::endl;
  
  
  std::cout << "CanDetectExceptions" << std::endl;
  { 
    AssertThrows(std::exception, objectUnderTest.LogicError());
  }
  
  std::cout << "CanAssertOnLastException" << std::endl;
  {
    AssertThrows(std::logic_error, objectUnderTest.LogicError());
    Assert::That(LastException<std::logic_error>().what(), Contains("not logical!"));
  }
  
  std::cout << "CanDetectWhenWrongExceptionIsThrown" << std::endl;
  {    
    AssertTestFails(AssertThrows(std::logic_error, objectUnderTest.RangeError()), "Wrong exception");
  }
  
  std::cout << "CanPrintExpectedExceptionTypeWhenWrongExceptionIsThrown" << std::endl;
  {
    AssertTestFails(AssertThrows(std::logic_error, objectUnderTest.RangeError()), "Expected std::logic_error");
  }

  std::cout << "CanHaveSeveralExceptionAssertionsInSameSpec" << std::endl;
  {
    AssertThrows(std::logic_error, objectUnderTest.LogicError());
    Assert::That(LastException<std::logic_error>().what(), Contains("not logical!"));

    AssertThrows(std::range_error, objectUnderTest.RangeError());
    Assert::That(LastException<std::range_error>().what(), Contains("range error!"));
  }
  
  std::cout << "CanHaveSeveralExceptionAssertionForTheSameExceptionInSameSpec" << std::endl;
  {
    AssertThrows(std::logic_error, objectUnderTest.LogicError());
    Assert::That(LastException<std::logic_error>().what(), Contains("not logical!"));

    AssertThrows(std::logic_error, objectUnderTest.LogicError());
    Assert::That(LastException<std::logic_error>().what(), Contains("not logical!"));
  }  
  
  std::cout << "CanDetectWhenNoExceptionIsThrown" << std::endl;
  {
    AssertTestFails(AssertThrows(std::logic_error, objectUnderTest.NoError()), "No exception");
  }

  std::cout << "CanPrintExpectedExceptionWhenNoExceptionIsThrown" << std::endl;
  {
    AssertTestFails(AssertThrows(std::logic_error, objectUnderTest.NoError()), "Expected std::logic_error");
  } 

  std::cout << "ExceptionsAreDestoryedWhenWeExitScope" << std::endl;
  {
    {
      AssertThrows(std::logic_error, objectUnderTest.LogicError());
    }
    AssertThrows(AssertionException, LastException<std::logic_error>());
    Assert::That(LastException<AssertionException>().GetMessage(), Contains("No exception was stored"));
  }  
}