using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using WSUniversalLib;

namespace UnitTestorWSULib
{
    [TestClass]
    public class UnitTest1
    {
        #region Простые
        [TestMethod]
        public void ResultEqualCorrect()
        {
            Assert.AreEqual(114147,Calculation.GetQuantityForProduct(3,1,15,20,45));
        }

        [TestMethod]
        public void ResultEqualNotCorrect()
        {
            Assert.AreNotEqual(114148, Calculation.GetQuantityForProduct(3, 1, 20, 21, 46));
        }

        [TestMethod]
        public void ResultIsNotNull()
        {
            Assert.IsNotNull(Calculation.GetQuantityForProduct(3, 1, 15, 45, 13));
        }

        [TestMethod]
        public void BadResultProductEqualCorrect()
        {
            Assert.AreEqual(-1, Calculation.GetQuantityForProduct(4, 1, 20, 21, 46));
        }

        [TestMethod]
        public void BadResultMaterialEqualCorrect()
        {
            Assert.AreEqual(-1, Calculation.GetQuantityForProduct(3, 5, 20, 21, 46));
        }

        [TestMethod]
        public void IsCorrectType()
        {
            Assert.IsInstanceOfType(Calculation.GetQuantityForProduct(3, 5, 20, 21, 46), typeof(int));
        }

        [TestMethod]
        public void IsIncorrectType()
        {
            Assert.IsNotInstanceOfType(Calculation.GetQuantityForProduct(3, 5, 20, 21, 46), typeof(double));
        }

        [TestMethod]
        public void ResultNotEqualIncorrect()
        {
            Assert.AreNotEqual(-1, Calculation.GetQuantityForProduct(3, 1, 20, 21, 46));
        }

        [TestMethod]
        public void ResultEqualIncorrect()
        {
            Assert.AreEqual(-1, Calculation.GetQuantityForProduct(4, 4, 20, 21, 46));
        }

        [TestMethod]
        public void BadResultIsType()
        {
            Assert.IsInstanceOfType(Calculation.GetQuantityForProduct(4, 4, 20, 21, 46), typeof(int));
        }
        #endregion

        #region Сложные

        [TestMethod]
        public void ThrowThirdArgException()
        {
            Assert.ThrowsException<ArgumentException>(()=>Calculation.GetQuantityForProduct(1, 1, -1, 1, 1));
        }

        [TestMethod]
        public void ThrowFourthArgException()
        {
            Assert.ThrowsException<ArgumentException>(() => Calculation.GetQuantityForProduct(1, 1, 1, -1, 1));
        }

        [TestMethod]
        public void ThrowFifthArgException()
        {
            Assert.ThrowsException<ArgumentException>(() => Calculation.GetQuantityForProduct(1, 1, 1, 1, -11));
        }

        [TestMethod]
        public void ThrowTwoArgException()
        {
            Assert.ThrowsException<ArgumentException>(() => Calculation.GetQuantityForProduct(1, 1, 1, -1, -11));
        }

        [TestMethod]
        public void ThrowThreeArgException()
        {
            Assert.ThrowsException<ArgumentException>(() => Calculation.GetQuantityForProduct(1, 1, -1, -1, -11));
        }
        #endregion
    }
}