public void ExpressionTest()
{
Expression express = new DomainEntities.Expression();
Assert.IsNotNull(express);
Assert.AreEqual("", express.rawValue);
Assert.AreEqual("", express.errorMessage);
Assert.IsNotNull(express.results);
Assert.AreEqual(0, express.results.Count);
}
public void EvaluateTest()
{
string result;
Expression express = new DomainEntities.Expression();
express.rawValue = "1 + 1";
result = express.Evaluate();
Assert.AreEqual("", express.errorMessage);
Assert.AreEqual("2", result);
}
public void EvaluateTest_Error1()
{
string result;
Expression express = new DomainEntities.Expression();
express.rawValue = "(5+3";
result = express.Evaluate();
Assert.AreEqual("Invalid expression. Error with '(5+3', fix and resubmit.", express.errorMessage);
Assert.AreEqual("", result);
}
public void EvaluateTest5()
{
string result;
Expression express = new DomainEntities.Expression();
express.rawValue = "5%2";
result = express.Evaluate();
Assert.AreEqual("", express.errorMessage);
Assert.AreEqual("1", result);
Assert.AreEqual(1, express.results.Count);
Assert.AreEqual(result, express.results[0]);
}
public void EvaluateTest3()
{
string result;
Expression express = new DomainEntities.Expression();
express.rawValue = "2*(6+5)*4";
result = express.Evaluate();
Assert.AreEqual("", express.errorMessage);
Assert.AreEqual("88", result);
Assert.AreEqual(2, express.results.Count);
Assert.AreEqual("2*11*4", express.results[0]);
Assert.AreEqual(result, express.results[1]);
}
public void EvaluateTest9()
{
string result;
Expression express = new DomainEntities.Expression();
express.rawValue = "(5+3)*(5+3)";
result = express.Evaluate();
Assert.AreEqual("", express.errorMessage);
Assert.AreEqual("64", result);
Assert.AreEqual(3, express.results.Count);
Assert.AreEqual(result, express.results[2]);
Assert.AreEqual("8*8", express.results[1]);
Assert.AreEqual("8*(5+3)", express.results[0]);
}
public void EvaluateTest4()
{
string result;
Expression express = new DomainEntities.Expression();
express.rawValue = "[(8+2)*4/{1+1}]*2";
result = express.Evaluate();
Assert.AreEqual("", express.errorMessage);
Assert.AreEqual("40", result);
Assert.AreEqual(4, express.results.Count);
Assert.AreEqual("[10*4/{1+1}]*2", express.results[0]);
Assert.AreEqual("[10*4/2]*2", express.results[1]);
Assert.AreEqual("20*2", express.results[2]);
Assert.AreEqual(result, express.results[3]);
}
public void EvaluateTest11()
{
string result;
Expression express = new DomainEntities.Expression();
express.rawValue = "[(2+7)^(3-1)]/3";
result = express.Evaluate();
Assert.AreEqual("", express.errorMessage);
Assert.AreEqual("27", result);
Assert.AreEqual(5, express.results.Count);
Assert.AreEqual(result, express.results[4]);
Assert.AreEqual("81/3", express.results[3]);
Assert.AreEqual("[81]/3", express.results[2]);
Assert.AreEqual("[9^2]/3", express.results[1]);
Assert.AreEqual("[9^(3-1)]/3", express.results[0]);
}
public void EvaluateTest12()
{
string result;
Expression express = new DomainEntities.Expression();
express.rawValue = "[1+2-1]^(2^(3-1))^0.5";
result = express.Evaluate();
Assert.AreEqual("", express.errorMessage);
Assert.AreEqual("4", result);
Assert.AreEqual(6, express.results.Count);
Assert.AreEqual(result, express.results[5]);
Assert.AreEqual("16^0.5", express.results[4]);
Assert.AreEqual("2^4^0.5", express.results[3]);
Assert.AreEqual("2^(4)^0.5", express.results[2]);
Assert.AreEqual("2^(2^2)^0.5", express.results[1]);
Assert.AreEqual("2^(2^(3-1))^0.5", express.results[0]);
}