using Developpez.Dotnet.Measures;
using NUnit.Framework;

namespace Developpez.Dotnet.Tests.Measures
{
    [TestFixture]
    public class FahrenheitTests
    {
        [Test]
        public void Test_Equality()
        {
            Fahrenheit value1 = 40.5;
            Fahrenheit value2 = 40.5;
            Assert.AreEqual(value1, value2);
            Assert.AreNotSame(value1, value2);

            Fahrenheit value3 = 45.5;
            Assert.AreNotEqual(value1, value3);

            Assert.IsTrue(value1 == value2);
            Assert.IsTrue(value1 != value3);
        }

        [Test]
        public void Test_Comparison()
        {
            Fahrenheit value1 = 40.50;
            Fahrenheit value2 = 40.55;

            Assert.IsTrue(value1 < value2);
            Assert.IsTrue(value2 > value1);

            Assert.IsFalse(value1 > value2);
            Assert.IsFalse(value2 < value1);


            Fahrenheit value3 = 40.50;
            Fahrenheit value4 = 40.50;
            Fahrenheit value5 = 40.501;

            Assert.IsTrue(value3 <= value4);
            Assert.IsTrue(value3 >= value4);

            Assert.IsTrue(value4 <= value5);
            Assert.IsFalse(value4 >= value5);
        }

        [Test]
        public void Test_Operation()
        {
            Fahrenheit value1 = 33.33;
            Fahrenheit value2 = 3.55;

            Fahrenheit expectedAdd = (33.33 + 3.55);
            Assert.AreEqual(expectedAdd, value1 + value2);

            Fahrenheit expectedRem = (33.33 - 3.55);
            Assert.AreEqual(expectedRem, value1 - value2);

            Fahrenheit expectedMul = 99.99;
            Assert.AreEqual(expectedMul, value1*3);

            Fahrenheit expectedDiv = 11.11;
            Assert.AreEqual(expectedDiv, value1/3);
        }

        [Test]
        public void Test_Parsing()
        {
            Fahrenheit value1 = -159.987;
            string text = value1.ToString();
            Assert.AreEqual("-159,987 °F", text);

            Fahrenheit value2;
            Assert.IsTrue(Fahrenheit.TryParse(text, out value2));
            Assert.AreEqual(value1, value2);

            Assert.IsFalse(Fahrenheit.TryParse("15.15,15 °F", out value2));
            Assert.IsFalse(Fahrenheit.TryParse("15,15,15 °F", out value2));
            Assert.IsTrue(Fahrenheit.TryParse("1 515,15 °F", out value2));
        }
    }
}