public void ObservedQuotes_WrongObservationIndex_Throws(SyncTickers sut, int observationIndex)
{
Assert.Throws<ArgumentException>(() => sut.ObservedQuotes(0, observationIndex));
}
public void ObservedQuotes_WrongTickerIndex_Throws(SyncTickers sut, int tickerIndex)
{
Assert.Throws<ArgumentException>(() => sut.ObservedQuotes(tickerIndex, 0));
}
public void ObservedQuotes_ReturnsCorrectData(
SyncTickers sut,
int tickerIndex,
int observationIndex,
IReadOnlyList<ISimpleTickerQuote> expected)
{
Assert.True(expected.SequenceEqual(sut.ObservedQuotes(tickerIndex, observationIndex)));
}