public void testConvert()
{
var letters = O.list("a", "b", "c");
var sevens = O.convert(letters, l => 7);
AreEqual(O.list(7, 7, 7), O.list(sevens));
}
static void ExceptionTraceIsCorrect(bool reallyDie, Exception e, ICollection <string> patterns)
{
if (reallyDie)
{
Fail("expected failure did not occur");
}
if (O.isEmpty(patterns))
{
Bomb.toss("expected failure occurred, provide regex to Bombs\nEXPECTED:" + e);
}
var exceptions = O.list <Exception>();
exceptions.Add(e);
while (e != e.GetBaseException())
{
e = e.GetBaseException();
exceptions.Add(e);
}
var messages = O.convert(exceptions, anE => anE.Message);
try {
Bomb.when(
patterns.Count > exceptions.Count,
() => "exception stack not deep enough for " + patterns.Count + " patterns:\n" + e
);
O.each(patterns, messages, Matches);
} catch (Exception matchFailed) {
Bomb.toss("expected patterns:\n" + O.toShortString(patterns) +
"\ndid not match exception messages:\n" + O.toShortString(messages), matchFailed);
}
}
protected override void initializeSymbols()
{
base.initializeSymbols();
var names = new List <string>();
O.zeroTo(50, i => names.Add("sym" + (i + 1)));
symbols = O.list(O.convert(names, name => new Symbol(name)));
O.each(symbols, symbol => insertMarket(symbol.name, 0.0));
O.each(symbols, symbol => insertSymbol("RC." + symbol.name));
}
protected override void initializeSymbols()
{
var names = new List <string>();
O.zeroTo(5, i => names.Add("sym" + (i + 1)));
symbols = O.list(O.convert(names, name => new Symbol(name)));
var series = createEmptyTestSeries();
O.each(symbols, symbol => setupSymbol(symbol, series));
}
void populateMarkets(int id)
{
List <Symbol> symbols;
List <Portfolio> portfolios;
STO.populateSymbolsPortfolios(details, out symbols, out portfolios);
var names = O.list(O.convert(portfolios, p => p.name));
names.AddRange(O.convert(symbols, s => s.name));
marketBox.populateWithAll(names, false);
}
public void perftestConvertPerformance()
{
var dic = new Dictionary <int, int> {
{ 1, 2 }
};
Stopwatch.add("direct", 10000000, delegate { new Dictionary <int, int> {
{ 1, dic[1] }
}; });
Stopwatch.report("direct");
Converter <int, int> nop = i => i;
Stopwatch.add("withConvert", 10000000, () => O.convert(dic, nop, nop));
Stopwatch.report("withConvert");
}
public void doPlot(IEnumerable <Position> positions)
{
clear();
var closed = O.accept(positions, position => position.isClosed());
var pnls = O.sort(O.convert(closed, toValue));
var min = O.first(pnls);
var max = O.last(pnls);
var range = max - min;
var bucketCount = Math.Max(Math.Min(150, pnls.Count / 5), 1);
var blockSize = Math.Max(1, range / bucketCount);
if (blockSize == 1)
{
bucketCount = (int)range + 1;
}
var buckets = O.array(O.nCopies(bucketCount, 0.0));
O.each(pnls, pnl => {
var bucket = (int)((pnl - min) / blockSize);
if (bucket == bucketCount)
{
bucket--;
}
buckets[bucket]++;
});
var bucketStarts = O.array(O.convert(buckets, (i, unused) => i * blockSize + min));
var pnlCount = O.count(pnls);
var lowerQuartile = pnls[pnlCount / 4];
var upperQuartile = pnls[3 * pnlCount / 4];
var median = pnls[pnlCount / 2];
var mean = O.average(pnls);
var sd = O.populationStandardDeviation(pnls);
var colors = O.array(O.convert(bucketStarts, (i, bucket) => {
var isLow = bucket < median;
var isBright = bucket <= lowerQuartile || bucket >= upperQuartile;
if (isLow)
{
return(isBright ? (2.0 / 3.0) : 0.0);
}
return(isBright ? 1.0 : (1.0 / 3.0));
}));
var points = new PointPairList(bucketStarts, buckets, colors);
addBars("pnls", O.array(Color.DarkRed, Color.FromArgb(0, 18, 110), Color.Red, Color.FromArgb(0, 60, 255)), points);
GraphObjList.Add(new LineObj(Color.Lime, 0, 0, 0, 1)
{
Location = { CoordinateFrame = CoordType.XScaleYChartFraction },
Line = { Style = DashStyle.Dot, Width = 2 }
});
GraphObjList.Add(new TextObj(O.join("\n", O.list(
"min = " + O.prettyNumber(min),
"25% = " + O.prettyNumber(lowerQuartile),
"50% = " + O.prettyNumber(median),
"75% = " + O.prettyNumber(upperQuartile),
"max = " + O.prettyNumber(max), "",
"mean = " + O.prettyNumber(mean),
"sd(pop) = " + O.prettyNumber(sd)
)), 0.9, 0.12, CoordType.ChartFraction)
{
FontSpec = { StringAlignment = StringAlignment.Near }
});
BarSettings.MinClusterGap = 0;
XAxis.Scale.MinGrace = 0;
XAxis.Scale.MaxGrace = 0;
}
