unit tests

SharpCalculator.Tests/OperatorTests.cs

@@ -0,0 +1,57 @@
+namespace SharpCalculator.Tests;
+
+public class OperatorTests
+{
+    public OperatorTests()
+    {
+        CultureInfo.DefaultThreadCurrentCulture = CultureInfo.InvariantCulture;
+    }
+
+    [Theory]
+    [InlineData(15,5)]
+    [InlineData(13,-6)]
+    [InlineData(-1,-6)]
+    [InlineData(-13,6)]
+    public void Sum(double a,double b) => 
+        Assert.Equal(a+b, Calculator.Calculate($"({a})+({b})"));
+
+    [Theory]
+    [InlineData(15,5)]
+    [InlineData(13,-6)]
+    [InlineData(-1,-6)]
+    [InlineData(-13,6)]
+    public void Subtract(double a,double b) => 
+        Assert.Equal(a-b, Calculator.Calculate($"({a})-({b})"));
+
+    [Theory]
+    [InlineData(15,5)]
+    [InlineData(13,-6)]
+    [InlineData(-1,-6)]
+    [InlineData(-13,6)]
+    public void Multiplying(double a,double b) => 
+        Assert.Equal(a*b, Calculator.Calculate($"({a})*({b})"));
+
+    [Theory]
+    [InlineData(15,5)]
+    [InlineData(24,-6)]
+    [InlineData(-12,-6)]
+    [InlineData(-36,6)]
+    public void Dividing(double a,double b) => 
+        Assert.Equal(a/b, Calculator.Calculate($"({a})/({b})"));
+    
+    [Theory]
+    [InlineData(2,5)]
+    [InlineData(1,-1)]
+    [InlineData(-3,-4)]
+    [InlineData(-2,2)]
+    public void Power(double a,double b) => 
+        Assert.Equal(Math.Pow(a,b), Calculator.Calculate($"({a})^({b})"));
+
+    [Theory]
+    [InlineData(5,2)]
+    [InlineData(1,-1)]
+    [InlineData(-3,-2)]
+    [InlineData(-2,2)]
+    public void Mod(double a,double b) => 
+        Assert.Equal( a%b, Calculator.Calculate($"({a})%({b})"));
+}