public void TestManyRuleSuccessPositioning()
{
//arrange
var symbol1 = 'd';
var symbol2 = 'g';
var argumentRule1 = new SymbolRule(symbol: symbol1);
var argumentRule2 = new SymbolRule(symbol: symbol2);
var rule1 = new ZeroOrManyRule(argument: argumentRule1);
var rule2 = new ZeroOrManyRule(argument: argumentRule2);
var stream = new MemoryStream().FromString($"{symbol1}{symbol1}{symbol2}{symbol2}ahsdkjha");
//act
var streamStartPosition = stream.Position;
var result = new List <bool> {
rule1.Check(stream),
rule2.Check(stream)
};
//assert
Assert.AreEqual(streamStartPosition + 2 * result.Count, stream.Position);
}
public void TestManyRuleSuccessAll()
{
//arrange
var symbol1 = 'd';
var symbol2 = 'g';
var argumentRule1 = new SymbolRule(symbol: symbol1);
var argumentRule2 = new SymbolRule(symbol: symbol2);
var rule1 = new ZeroOrManyRule(argument: argumentRule1);
var rule2 = new ZeroOrManyRule(argument: argumentRule2);
var stream = new MemoryStream().FromString($"{symbol1}{symbol1}{symbol2}jahsdkjha");
//act
var result = new List <bool> {
rule1.Check(stream),
rule2.Check(stream)
};
//assert
result.ForEach(Assert.IsTrue);
}
public void TestSuccessChekingManySymbolWithSuccessArgumentRule()
{
//arrange
var symbol = 'd';
var argumentRule = new SymbolRule(symbol: symbol);
var rule = new ZeroOrManyRule(argument: argumentRule);
var stream = new MemoryStream().FromString($"{symbol}ghsdghfsjfdjhsgdfh");
//act
var isCheckedSuccess = rule.Check(stream);
//assert
Assert.IsTrue(isCheckedSuccess);
}
public void TestThatChekingSuccessWithTwoSameSymbols()
{
//arrange
var symbol = 'd';
var argumentRule = new SymbolRule(symbol: symbol);
var rule = new ZeroOrManyRule(argument: argumentRule);
var stream = new MemoryStream().FromString($"{symbol}{symbol}");
//act
var isCheckedSuccess = rule.Check(stream);
//assert
Assert.IsTrue(isCheckedSuccess);
}
public void TestSuccessChekingOneSymbolWithFailArgumentRule()
{
//arrange
var symbol = 'd';
var argumentRule = new SymbolRule(symbol: symbol);
var rule = new ZeroOrManyRule(argument: argumentRule);
var stream = new MemoryStream().FromString((symbol + 1).ToString());
//act
var isCheckedSuccess = rule.Check(stream);
//assert
Assert.IsTrue(isCheckedSuccess);
}
public void TestSuccessPositionWithSuccessArgumentRule()
{
//arrange
var symbol = 'd';
var argumentRule = new SymbolRule(symbol: symbol);
var rule = new ZeroOrManyRule(argument: argumentRule);
var stream = new MemoryStream().FromString($"{symbol}ghsdghfsjfdjhsgdfh");
//act
var startPos = stream.Position;
rule.Check(stream);
var endPos = stream.Position;
//assert
Assert.AreEqual(startPos + 1, endPos);
}
public void TestPositionWithFailRule()
{
//arrange
var symbol = 'd';
var argumentRule = new SymbolRule(symbol: symbol);
var rule = new ZeroOrManyRule(argument: argumentRule);
var stream = new MemoryStream().FromString($"765765");
//act
var startPos = stream.Position;
rule.Check(stream);
var endPos = stream.Position;
//assert
Assert.AreEqual(startPos, endPos);
}