using Upsilon.Evaluator;
using Xunit;

namespace UpsilonTests
{
    public class BasicMathExpressions
    {
        [Theory]
        [InlineData("1+1", 2)]
        [InlineData("1000+1", 1001)]
        [InlineData("1+1000", 1001)]
        [InlineData("1 + 1000", 1001)]
        [InlineData("8612648+6153205", 14765853)]
        [InlineData("0.5 + 2", 2.5)]
        [InlineData("0.005 + 2.2", 2.205)]
        public void Addition(string input, double expectedOutput)
        {
            var actual = new Script(input).Evaluate<double>();
            Assert.Equal(expectedOutput, actual, 8);
        }

        [Theory]
        [InlineData("1-1", 0)]
        [InlineData("100-45", 55)]
        [InlineData("1-1200", -1199)]
        [InlineData("341564-5646843", -5305279)]
        [InlineData("1-0.5", 0.5)]
        [InlineData("10.256-2.8546", 7.4014)]
        public void Subtraction(string input, double expectedOutput)
        {
            var actual = new Script(input).Evaluate<double>();
            Assert.Equal(expectedOutput, actual, 8);
        }

        [Theory]
        [InlineData("1*1", 1)]
        [InlineData("100 * 100", 10000)]
        [InlineData("21312 * 41684", 888369408)]
        public void Multiplication(string input, double expectedOutput)
        {
            var actual = new Script(input).Evaluate<double>();
            Assert.Equal(expectedOutput, actual, 8);
        }

        [Theory]
        [InlineData("1/1", 1)]
        [InlineData("1000 / 10", 100)]
        [InlineData("656486 / 5146", 127)]
        [InlineData("656486 / 5146.0", 127.57209483)]
        public void Divison(string input, double expectedOutput)
        {
            var actual = new Script(input).Evaluate<double>();
            Assert.Equal(expectedOutput, actual, 8);
        }

    }
}