using System;
using System.Collections.Generic;
using System.Linq;
using DictionaryWorkshop.Implementation;
using DictionaryWorkshop.Implementation.Contracts;
using DictionaryWorkshop.Models;

using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace DictionaryWorkshop.Tests
{
    [TestMethod]
        public void Keys_ShouldWorkCorrectly()
        {
            // Arrange
            var dictionary = new MyDictionary<string, double>();

            // Assert
            CollectionAssert.AreEquivalent(new string[0], dictionary.GetKeys().ToArray());

            // Arrange
            dictionary.Add("Vasko", 12.5);
            dictionary.Add("Maria", 99.9);
            dictionary["Vasko"] = 123.45;

            // Act
            IEnumerable<string> keys = dictionary.GetKeys();

            // Assert
            string[] expectedKeys = { "Vasko", "Maria" };
            CollectionAssert.AreEquivalent(expectedKeys, keys.ToArray());
        }
        [TestMethod]
        public void Values_ShouldWorkCorrectly()
        {
            // Arrange
            var dictionary = new MyDictionary<string, double>();

            // Assert
            CollectionAssert.AreEquivalent(new string[0], dictionary.GetValues().ToArray());

            // Arrange
            dictionary.Add("Vasko", 12.5);
            dictionary.Add("Maria", 99.9);
            dictionary["Vasko"] = 123.45;

            // Act
            IEnumerable<double> values = dictionary.GetValues();

            // Assert
            double[] expectedValues = { 99.9, 123.45 };
            CollectionAssert.AreEquivalent(expectedValues, values.ToArray());
        }
}