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#include <assert.h> 
#include <sstream> 
 
#include "node.hpp" 
#include "parser.hpp" 
 
 
#define STATIC_ARRAY_SIZE(array) (sizeof((array))/sizeof((array[0]))) 
 
 
namespace Sass { 
 
  Context ctx = Context::Data(); 
 
  const char* const ROUNDTRIP_TESTS[] = { 
    NULL, 
    "~", 
    "CMPD", 
    "~ CMPD", 
    "CMPD >", 
    "> > CMPD", 
    "CMPD ~ ~", 
    "> + CMPD1.CMPD2 > ~", 
    "> + CMPD1.CMPD2 CMPD3.CMPD4 > ~", 
    "+ CMPD1 CMPD2 ~ CMPD3 + CMPD4 > CMPD5 > ~" 
  }; 
 
 
 
  static Complex_Selector* createComplexSelector(std::string src) { 
    std::string temp(src); 
    temp += ";"; 
    return (*Parser::from_c_str(temp.c_str(), ctx, "", Position()).parse_selector_list())[0]; 
  } 
 
 
  void roundtripTest(const char* toTest) { 
 
    // Create the initial selector 
 
    Complex_Selector* pOrigSelector = NULL; 
    if (toTest) { 
      pOrigSelector = createComplexSelector(toTest); 
    } 
 
    std::string expected(pOrigSelector ? pOrigSelector->to_string() : "NULL"); 
 
 
    // Roundtrip the selector into a node and back 
 
    Node node = complexSelectorToNode(pOrigSelector, ctx); 
 
    std::stringstream nodeStringStream; 
    nodeStringStream << node; 
    std::string nodeString = nodeStringStream.str(); 
    cout << "ASNODE: " << node << endl; 
 
    Complex_Selector* pNewSelector = nodeToComplexSelector(node, ctx); 
 
    // Show the result 
 
    std::string result(pNewSelector ? pNewSelector->to_string() : "NULL"); 
 
    cout << "SELECTOR: " << expected << endl; 
    cout << "NEW SELECTOR:   " << result << endl; 
 
 
    // Test that they are equal using the equality operator 
 
    assert( (!pOrigSelector && !pNewSelector ) || (pOrigSelector && pNewSelector) ); 
    if (pOrigSelector) { 
      assert( *pOrigSelector == *pNewSelector ); 
    } 
 
 
    // Test that they are equal by comparing the string versions of the selectors 
 
    assert(expected == result); 
 
  } 
 
 
  int main() { 
    for (int index = 0; index < STATIC_ARRAY_SIZE(ROUNDTRIP_TESTS); index++) { 
      const char* const toTest = ROUNDTRIP_TESTS[index]; 
      cout << "\nINPUT STRING: " << (toTest ? toTest : "NULL") << endl; 
      roundtripTest(toTest); 
    } 
 
    cout << "\nTesting Done.\n"; 
  } 
 
 
}