public void TestManySuccessivelyChekingl()
{
// Arrange
var symbol1 = 'g';
var symbol2 = 'b';
var symbol3 = 'i';
var rule1 = new SymbolRule(symbol: symbol1);
var rule2 = new SymbolRule(symbol: symbol2);
var rule3 = new SymbolRule(symbol: symbol3);
var stream = new MemoryStream().FromString($"{symbol1}{symbol2}/{symbol3}");
// Act
var rule1Result = rule1.Check(stream);
var rule2Result = rule2.Check(stream);
var rule3Result = rule3.Check(stream);
// Assert
Assert.IsTrue(rule1Result, message: "rule1Result is false");
Assert.IsTrue(rule2Result, message: "rule2Result is false");
Assert.IsFalse(rule3Result, message: "rule4Result is false");
}
public void TestRighSringSavedInFaledCase()
{
// Arrange
var symbol = 'a';
var rule = new SymbolRule(symbol: symbol);
var stream = new MemoryStream().FromString($"{symbol + 1}");
// Act
rule.Check(stream);
// Assert
Assert.AreEqual(string.Empty, rule.ChekedString);
}
public void TestFailChekingOneSymbol()
{
//arrange
var symbol = 'd';
var rule = new SymbolRule(symbol: symbol);
var stream = new MemoryStream().FromString((symbol + 1).ToString());
//act
var isCheckedSuccess = rule.Check(stream);
//assert
Assert.IsFalse(isCheckedSuccess);
}
public void TestStreamPositionOffsetCorrectlyWithIncorrectSymbol()
{
// Arrange
var symbol = 'g';
var rule = new SymbolRule(symbol: symbol);
var stream = new MemoryStream().FromString("example test string that so biger then needed");
var startPosition = stream.Position;
// Act
rule.Check(stream);
// Assert
Assert.AreEqual(stream.Position, startPosition);
}
public void TestSuccessChekingSpecialSymbol()
{
// Arrange
var symbol = '\r';
var rule = new SymbolRule(symbol: symbol);
var stream = new MemoryStream().FromString("\rtnmp");
// Act
var startPos = stream.Position;
rule.Check(stream);
// Assert
Assert.AreEqual(startPos + 1, stream.Position);
}
