public void BuildExpression_ReversePolishExpressionBuilder_OperatorAndNumberImbalance()
{
// Arrange
ReversePolishExpressionBuilder builder = new ReversePolishExpressionBuilder();
string input = "3 3 + 5 7-*^";
// Act
builder.ExpressionString = input;
}
public void BuildExpression_ReversePolishExpressionBuilder_InvalidCharactersPresent()
{
// Arrange
ReversePolishExpressionBuilder builder = new ReversePolishExpressionBuilder();
string input = "3 a + 5 7-*";
// Act
builder.ExpressionString = input;
}
public void BuildExpression_ReversePolishExpressionBuilder_EndsWithNumber()
{
// Arrange
ReversePolishExpressionBuilder builder = new ReversePolishExpressionBuilder();
string input = "^ 3 3 + 5 7-*";
// Act
builder.ExpressionString = input;
}
public void EvaluateExpression_ReversePolishExpressionBuilder_VerifyResult()
{
// Arrange
ReversePolishExpressionBuilder builder = new ReversePolishExpressionBuilder();
string input = "15 7 1 1 + - / 3*2 1 1 ++ -";
// Act
builder.ExpressionString = input;
// Assert
Assert.AreEqual(builder.Result, 5);
}
public void Reset_ReversePolishExpressionBuilder_VerifyInstanceFields()
{
// Arrange
ReversePolishExpressionBuilder builder = new ReversePolishExpressionBuilder();
string input = "15 7 1 1 + - / 3*2 1 1 ++ -";
// Act
builder.ExpressionString = input;
builder.Reset();
// Assert
Assert.AreEqual(builder.ExpressionString, "");
Assert.AreEqual(builder.ExpressionTerms.Count, 0);
Assert.AreEqual(builder.RootExpression, null);
}
