TestCase instead of Test for derivative tests.

Author: KvanTTT

MathExpressions.NET.Tests/MathFuncDerivativeTest.cs

@@ -71,51 +71,16 @@ public void UnknownFuncThirdDerivativeTest()
 			Assert.IsTrue(derivative == "diff(diff(diff(f(x), x), x), x)");
 		}
 
-		[Test]
-		public void Derivative1()
-		{
-			string expression = "x ^ 3 + sin(3 * ln(x * 1)) + x ^ ln(2 * sin(3 * ln(x))) - 2 * x ^ 3";
-			Assert.IsTrue(WolframAlphaUtils.CheckDerivative(expression, GetDerivativeExpression(expression)));
-		}
-
-		[Test]
-		public void Derivative2()
-		{
-			string expression = "x / sin(x) / cos(x) + ln(1 / sin(x))";
-			Assert.IsTrue(WolframAlphaUtils.CheckDerivative(expression, GetDerivativeExpression(expression)));
-		}
-
-		[Test]
-		public void Derivative3()
-		{
-			string expression = "ln(sin(x ^ x))";
-			Assert.IsTrue(WolframAlphaUtils.CheckDerivative(expression, GetDerivativeExpression(expression)));
-		}
-
-		[Test]
-		public void Derivative4()
-		{
-			string expression = "(2 * x ^ 2 - 1) / (2 * x ^ 2 + 1)";
-			Assert.IsTrue(WolframAlphaUtils.CheckDerivative(expression, GetDerivativeExpression(expression)));
-		}
-
-		[Test]
-		public void Derivative5()
-		{
-			string expression = "tan(1 / x) / 3 ^ sin(x)";
-			Assert.IsTrue(WolframAlphaUtils.CheckDerivative(expression, GetDerivativeExpression(expression)));
-		}
-
-		[Test]
-		public void Derivative6()
-		{
-			string expression = "atan(sqrt(x)) * ln(x)";
-			Assert.IsTrue(WolframAlphaUtils.CheckDerivative(expression, GetDerivativeExpression(expression)));
-		}
-
-		private string GetDerivativeExpression(string expression)
+		[TestCase("x ^ 3 + sin(3 * ln(x * 1)) + x ^ ln(2 * sin(3 * ln(x))) - 2 * x ^ 3")]
+		[TestCase("x / sin(x) / cos(x) + ln(1 / sin(x))")]
+		[TestCase("ln(sin(x ^ x))")]
+		[TestCase("(2 * x ^ 2 - 1) / (2 * x ^ 2 + 1)")]
+		[TestCase("tan(1 / x) / 3 ^ sin(x)")]
+		[TestCase("atan(sqrt(x)) * ln(x)")]
+		public void CheckDerivativeWithWolframAlpha(string expression)
 		{
-			return new MathFunc(expression).GetDerivative().GetPrecompilied().ToString();
+			var derivativeExpression = new MathFunc(expression).GetDerivative().GetPrecompilied().ToString();
+			Assert.IsTrue(WolframAlphaUtils.CheckDerivative(expression, derivativeExpression));
 		}
 	}
 }

MathExpressions.NET.Tests/MiscTests.cs

@@ -17,7 +17,7 @@ public void IntPowerTest()
 					Assert.AreEqual(Math.Pow(i, j), IntPow(i, j));
 		}
 
-		int IntPow(int x, int pow)
+		private int IntPow(int x, int pow)
 		{
 			int ret = x;