static PriceRange GetPriceRange(string caption, double confidence, float expensiveMultiplier, Random rnd)
{
PriceRange priceRange;
priceRange.lowPrice = 0;
priceRange.highPrice = 0;
// Longer captions means higher prices
foreach (char c in caption)
{
priceRange.highPrice += c;
}
// Randomly increase price
priceRange.highPrice *= (int)(1.0f + rnd.NextDouble() * 30.0f);
priceRange.highPrice = (int)(priceRange.highPrice * expensiveMultiplier);
priceRange.highPrice *= 2; // General multiplier to inflate prices
priceRange.lowPrice = (int)(priceRange.highPrice * confidence);
PriceRange roundedRange = PriceRange.RoundPrices(priceRange);
return(roundedRange);
}
public static void PriceRangesAreRoundedToAppealingNumbers(int inLowPrice, int inHighPrice, int expectedRoundedLowPrice, int expectedRoundedHighPrice)
{
PriceRange inputRange = new PriceRange
{
lowPrice = inLowPrice,
highPrice = inHighPrice,
};
PriceRange roundedRange = PriceRange.RoundPrices(inputRange);
// Input range shouldn't be changed
Assert.Equal(inLowPrice, inputRange.lowPrice);
Assert.Equal(inHighPrice, inputRange.highPrice);
Assert.Equal(expectedRoundedLowPrice, roundedRange.lowPrice);
Assert.Equal(expectedRoundedHighPrice, roundedRange.highPrice);
}