using Dll;

namespace UnitTestForDLL
{
    public class UnitTest1
    {
        #region Низкой сложности
        [Fact]
        public void CheckMarkOnTrue()
        {
            Assert.True(Class1.CheckMark("T386TB152"));
        }
        [Fact]
        public void CheckMarkOnFalse()
        {
            Assert.False(Class1.CheckMark("T386TB352"));
        }
        [Fact]
        public void CheckMarkOnNull()
        {
            Assert.NotNull(Class1.CheckMark("T386TB777"));
        }
        [Fact]
        public void CheckRegionsCollection()
        {
            Assert.NotEmpty(Class1.regions);
        }
        [Fact]
        public void CheckNextMark()
        {
            Assert.IsType<string>(Class1.GetNextMarkAfter("C151EY052"));
        }
        [Fact]
        public void CheckMark()
        {
            Assert.Equal(true, Class1.CheckMark("C151EY052"));
        }
        [Fact]
        public void CheckNextMarkAfter()
        {
            Assert.Equal("C153EY052", Class1.GetNextMarkAfter("C152EY052"));
        }
        [Fact]
        public void CheckNextMarkInRange()
        {
            Assert.IsType<string>(Class1.GetNextMarkAfterInRange("C324EY052", "C151EY052", "C767EY052"));
        }
        [Fact]
        public void CheckCountCombination()
        {
            Assert.Equal(3, Class1.GetCombinationsCountInRange("T101TB052", "T103TB052"));
        }
        [Fact]
        public void CheckNextMarkAfterInRangeEqual()
        {
            Assert.Equal("C153EY052", Class1.GetNextMarkAfterInRange("C152EY052", "C151EY052", "C153EY052"));
        }
        #endregion

        #region Высокой сложности

        [Fact]
        public void NullArgumentOnCheck()
        {
            Assert.Throws<ArgumentException>(() => Class1.CheckMark(null));
        }
        [Fact]
        public void NullArgumentOnNext()
        {
            Assert.Throws<ArgumentException>(() => Class1.GetNextMarkAfter(null));
        }
        [Fact]
        public void NullArgumentOnRange()
        {
            Assert.Throws<ArgumentException>(() => Class1.GetNextMarkAfterInRange(null,null,null));
        }
        [Fact]
        public void NullArgumentOnCount()
        {
            Assert.Throws<ArgumentException>(() => Class1.GetCombinationsCountInRange(null,null));
        }
        [Fact]
        public void WrongArgumentOnCheck()
        {
            Assert.Throws<ArgumentException>(() => Class1.CheckMark("C6378TX6712"));
        }
        #endregion
    }
}