#include <assert.h>
#include <stdlib.h>

#include "curve.h"
#include "db.h"  // will still implement the functions

// Stub for getGradeForStudent - counts the total number of
// times that it is called.

int numGradeCalls = 0;  // global so persists
int getGradeForStudent(int studentId, int hwNum) {
  numGradeCalls++;
  return 0;
}

// Stub for saveStudentGrade does nothing.
void saveStudentGrade(int studentId, int hwNum, int grade) {}

int main(int argc, char** argv) {
  int students[] = { 1, 2, 3, 4, 5 };

  // Test case - 5 students, getGradeForStudent should be called
  // 5 times.  Will test that 'curve' does loop through each 
  // student
  curve(students, 5, 1, 12);
  assert(numGradeCalls == 5);

  curve(students, 5, 1, 12);
  assert(numGradeCalls == 5);  // assert should fail

  return EXIT_SUCCESS;
}