// Copyright 2018 Dronova Anna vi_na_ru@mail.ru

#include <gtest/gtest.h>

#include <functions.h>
#include <random>


TEST(functions_test, FillStudent) {
    vector<Student> students;
    FillStudent(students, 3);
    ASSERT_EQ(3, students.size());
    for (uint64_t i = 0; i < students.size(); i++) {
        ASSERT_NE(0, students[i].Name.size());
        ASSERT_NE(0, students[i].Ratings["Math"]);
    }
}

TEST(functions_test, SortNames) {
    vector<Student> students;
    FillStudent(students, 3);
    students[0].Name = "Roman";
    students[1].Name = "Bill";
    students[2].Name = "Al";
    SortNames(students);
    ASSERT_EQ("Al", students[0].Name);
}

TEST(functions_test, CountBadStudents) {
    vector<Student> students;
    FillStudent(students, 5);
    int count1 = CountBadStudents(students);
    students[0].Ratings["Math"] = 1;
    students[1].Ratings["Math"] = 1;
    int count2 = CountBadStudents(students);
    ASSERT_GE(count2, count1);
}

TEST(functions_test, GetExellentPoligy) {
    std::random_device rd;
    vector<Student> students;
    FillStudent(students, 5);
    GetExellentPoligy(students);
    int k = rd() % 5;
    ASSERT_EQ(5, students[k].Ratings["Political"]);
}