public void ItemsT_property_has_count_4()
{
using (TeaFile <OHLCV> f = TeaFile <OHLCV> .Create(Guid.NewGuid() + "lab1.tea"))
{
4.Times(() => f.Write(new OHLCV {
Open = 111
}));
var items = f.Items;
Assert.AreEqual(4, items.Count);
}
}
static void WriteDailyTicks(TeaFile<Tick> tf, Time day, bool isGoodDay)
{
Time t = day.AddHours(9); // start trading session at 09:00
Time end = day.AddHours(17.5); // end trading session at 17:30
while (t < end)
{
// on a good day, we write many ticks, on a bad day however only 1 percent as much
if (isGoodDay || DrawRandom(1))
{
double p = r.NextDouble() * 100000.0;
tf.Write(new Tick {Time = t, Price = p, Volume = 10});
}
t = t.AddSeconds(15 + r.Next(0, 20));
}
}
public void ItemsT_CountProperty_reflects_actual_number_of_items()
{
string filename = Guid.NewGuid() + "lab1.tea";
using (TeaFile <OHLCV> f = TeaFile <OHLCV> .Create(filename))
{
Assert.AreEqual(0, f.Items.Count);
f.Write(new OHLCV {
Open = 111
});
Assert.AreEqual(1, f.Items.Count, "After writing an item, Count is 1");
}
using (var f = TeaFile <OHLCV> .OpenRead(filename))
{
Assert.AreEqual(1, f.Items.Count);
}
}