// Copyright Dirk Lemstra https://github.com/dlemstra/Magick.NET.
// Licensed under the Apache License, Version 2.0.

using ImageMagick;
using Xunit;

namespace Magick.NET.Core.Tests;

public partial class SignedRationalTests
{
    public class TheConstructor
    {
        [Fact]
        public void ShouldSetTheProperties()
        {
            var rational = new SignedRational(7, -55);

            Assert.Equal(7, rational.Numerator);
            Assert.Equal(-55, rational.Denominator);
        }

        [Fact]
        public void ShouldSetThePropertiesWhenOnlyValueIsSpecified()
        {
            var rational = new SignedRational(7);

            Assert.Equal(7, rational.Numerator);
            Assert.Equal(1, rational.Denominator);
        }

        [Fact]
        public void ShouldSimplifyByDefault()
        {
            var rational = new SignedRational(-755, 100);

            Assert.Equal(-151, rational.Numerator);
            Assert.Equal(20, rational.Denominator);
        }

        [Fact]
        public void ShouldNotSimplifyWhenSpecified()
        {
            var rational = new SignedRational(-755, -100, false);

            Assert.Equal(-755, rational.Numerator);
            Assert.Equal(-100, rational.Denominator);
        }

        [Fact]
        public void ShouldHandleNegativeValue()
        {
            var rational = new SignedRational(-7.55);

            Assert.Equal(-151, rational.Numerator);
            Assert.Equal(20, rational.Denominator);
        }

        [Fact]
        public void ShouldHandleZeroValue()
        {
            var rational = new SignedRational(0.0);

            Assert.Equal(0, rational.Numerator);
            Assert.Equal(1, rational.Denominator);
        }

        [Fact]
        public void ShouldClampTheValue()
        {
            var rational = new SignedRational(long.MaxValue * 100.0);

            Assert.Equal(-1, rational.Numerator);
            Assert.Equal(1, rational.Denominator);
        }
    }
}
