public void TestIsVariablesCountOk(string argsStr, int variablesCount, bool expectedResult)
 {
     FormulaRenderArguments args = FormulaRenderArguments.FromString(argsStr);
     FormulaRenderArgumentsGoodnessAnalyzer analyzer = new FormulaRenderArgumentsGoodnessAnalyzer(variablesCount);
     bool result = analyzer.IsVariablesCountOk(args);
     bool result2 = analyzer.Analyze(args);
     Assert.AreEqual(expectedResult, result);
     Assert.AreEqual(expectedResult, result2);
 }
 public void TestIsRenderedImageNotEmpty(string argsStr, bool expectedResult)
 {
     FormulaRenderArguments args = FormulaRenderArguments.FromString(argsStr);
     FormulaRenderArgumentsGoodnessAnalyzer analyzer = new FormulaRenderArgumentsGoodnessAnalyzer(3);
     bool result = analyzer.IsRenderedImageNotEmpty(args);
     bool result2 = analyzer.Analyze(args);
     Assert.AreEqual(expectedResult, result);
     Assert.AreEqual(expectedResult, result2);
 }