public void ToRegexString_ReturnsSingleStringOnce_WhenNoRepeatIntervalWasProvided()
{
_randomGenerator.GetNextInteger(1, 1).Returns(1);
var expression = new BaseExpressionTest(_randomGenerator);
var result = expression.ToStringBuilder().GenerateString();
Assert.AreEqual("F", result);
}
public void ToRegexString_ReturnsSingleString3Times_WhenRepeatIntervalIs3To3()
{
var expression = new BaseExpressionTest(_randomGenerator)
{
RepeatRange = new IntegerInterval(3)
};
_randomGenerator.GetNextInteger(3, 3).Returns(3);
var result = expression.ToStringBuilder().GenerateString();
Assert.AreEqual("FFF", result);
_randomGenerator.Received(1).GetNextInteger(3, 3);
}
public void ToRegexString_CallsRandomGeneratorWithExpectedUpperBound_WhenIntegerIntervalsUpperBoundHasSpecifiedValue(int?value, int expectedValue)
{
var interval = new IntegerInterval();
interval.TrySetValue(-2, value);
var expression = new BaseExpressionTest(_randomGenerator)
{
RepeatRange = interval
};
expression.ToStringBuilder();
_randomGenerator.Received(1).GetNextInteger(0, expectedValue);
}