initial commit

UpsilonTests/BasicMathExpressions.cs

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+using Upsilon.Evaluator;
+using Upsilon.Parser;
+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 = (double)Parser.Parse(input).Evaluate();
+            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 = (double)Parser.Parse(input).Evaluate();
+            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 = (double)Parser.Parse(input).Evaluate();
+            Assert.Equal(expectedOutput, actual, 8);
+        }
+
+        [Theory]
+        [InlineData("1/1", 1)]
+        [InlineData("1000 / 10", 100)]
+        [InlineData("656486 / 5146", 127.57209483)]
+        public void Divison(string input, double expectedOutput)
+        {
+            var actual = (double)Parser.Parse(input).Evaluate();
+            Assert.Equal(expectedOutput, actual, 8);
+        }
+
+    }
+}

UpsilonTests/MathPrecedence.cs

@@ -0,0 +1,28 @@
+using Upsilon.Evaluator;
+using Upsilon.Parser;
+using Xunit;
+
+namespace UpsilonTests
+{
+    public class MathPrecedence
+    {
+        [Theory]
+        [InlineData("5 * (10 + 5)", 75)]
+        [InlineData("(10 + 5) * 5", 75)]
+        public void Parenthesis(string input, double expectedOutput)
+        {
+            var actual = (double)Parser.Parse(input).Evaluate();
+            Assert.Equal(expectedOutput, actual, 8);
+        }
+
+        [Theory]
+        [InlineData("5 * 10 + 5", 55)]
+        [InlineData("5 + 10 * 5", 55)]
+        public void MultiplicationBeforeAddition(string input, double expectedOutput)
+        {
+            var actual = (double)Parser.Parse(input).Evaluate();
+            Assert.Equal(expectedOutput, actual, 8);
+        }
+
+    }
+}

UpsilonTests/UpsilonTests.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp2.1</TargetFramework>
+
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+        <PackageReference Include="xunit" Version="2.3.1" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Upsilon\Upsilon.csproj" />
+    </ItemGroup>
+
+</Project>