public void AddSymbol_AddToEmpty_DontAddSymbol(char symbol)
{
string expression = "";
string expected = "";
string actual = Parse.AddSymbol(expression, symbol);
Assert.AreEqual(expected, actual);
}
public void AddSymbol_AddToNumber_AddSymbol(char symbol)
{
string expression = "1000/2*5";
string expected = "1000/2*5" + symbol;
string actual = Parse.AddSymbol(expression, symbol);
Assert.AreEqual(expected, actual);
}
public void AddSymbol_AddToOperator_ReplaceLastSymbol(char symbol)
{
string expression = "5+3*2/10+";
string expected = "5+3*2/10" + symbol;
string actual = Parse.AddSymbol(expression, symbol);
Assert.AreEqual(expected, actual);
}
public void AddSymbol_AddToCloseBrackets_DontAddSymbol(char symbol)
{
string expression = "(5+5)";
string expected = "(5+5)";
string actual = Parse.AddSymbol(expression, symbol);
Assert.AreEqual(expected, actual);
}
public void AddSymbol_AddToCloseBrackets_AddSymbolAndMultiply(char symbol)
{
string expression = "(5+5)";
string expected = "(5+5)" + '×' + symbol;
string actual = Parse.AddSymbol(expression, symbol);
Assert.AreEqual(expected, actual);
}
public void AddSymbol_AddToOpenBrackets_DontAddSymbol(char symbol)
{
string expression = "10+10-(";
string expected = "10+10-(";
string actual = Parse.AddSymbol(expression, symbol);
Assert.AreEqual(expected, actual);
}
private void AddSymbol(string symbol)
{
char charSymbol = symbol[0];
string result = Parse.AddSymbol(currentExpression, charSymbol);
if (currentExpression != result)
{
CurrentExpression = result;
logger.Trace($"Добавлен символ {charSymbol}");
}
}
