public void TryReadDoubleFormat()
{
var paddedFormat = DoubleFormatCache.GetOrCreate("e5");
paddedFormat = DoubleFormatCache.GetOrCreate("F5");
paddedFormat = DoubleFormatCache.GetOrCreate("#0.00#");
paddedFormat = DoubleFormatCache.GetOrCreate("#0.0#");
var sw = Stopwatch.StartNew();
var n = 1000000;
for (int i = 0; i < n; i++)
{
paddedFormat = DoubleFormatCache.GetOrCreate("e5");
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| TryRead(\"e5\") {n:N0} times {sw.ElapsedMilliseconds} ms");
sw.Restart();
for (int i = 0; i < n; i++)
{
paddedFormat = DoubleFormatCache.GetOrCreate("#0.00#");
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| TryRead(\"#0.00#\") {n:N0} times {sw.ElapsedMilliseconds} ms");
}
public static void TryRead(string text, int pos, string expected, int expectedPos)
{
var actual = DoubleFormatCache.GetOrCreate(text, ref pos);
Assert.AreEqual(expected, actual.Format);
Assert.AreEqual(expectedPos, pos);
}
public static void TryReadError(string text, int pos, string expectedFormatted)
{
var actual = DoubleFormatCache.GetOrCreate(text, ref pos);
Assert.AreEqual(text, actual.Format);
Assert.AreEqual(0, pos);
if (expectedFormatted is null)
{
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
Assert.Throws <FormatException>(() => 1.2.ToString(text, CultureInfo.InvariantCulture));
}
else
{
Assert.AreEqual(expectedFormatted, 1.2.ToString(text, CultureInfo.InvariantCulture));
}
}
public void TryReadError(string text, int pos, string expectedFormatted)
{
PaddedFormat actual = DoubleFormatCache.GetOrCreate(text, ref pos);
Assert.AreEqual(text, actual.Format);
Assert.AreEqual(0, pos);
string formatted = null;
try
{
formatted = 1.2.ToString(text);
}
catch
{
}
Assert.AreEqual(expectedFormatted, formatted);
}
public void TryReadError(string text, int pos, string expectedFormatted)
{
PaddedFormat actual = DoubleFormatCache.GetOrCreate(text, ref pos);
Assert.AreEqual(text, actual.Format);
Assert.AreEqual(0, pos);
string formatted = null;
try
{
formatted = 1.2.ToString(text);
}
//// ReSharper disable once EmptyGeneralCatchClause dunno what this does.
catch
{
}
Assert.AreEqual(expectedFormatted, formatted);
}
