private unsafe static void InternalParserByteSpanToUInt32_VariableLength()
{
List <ReadOnlySpan <byte> > byteSpanList = new List <ReadOnlySpan <byte> >();
foreach (string text in s_UInt32TextArray)
{
byte[] utf8ByteArray = Encoding.UTF8.GetBytes(text);
ReadOnlySpan <byte> utf8ByteSpan = new ReadOnlySpan <byte>(utf8ByteArray);
byteSpanList.Add(utf8ByteSpan);
}
EncodingData fd = EncodingData.InvariantUtf8;
TextFormat nf = new TextFormat('N');
foreach (var iteration in Benchmark.Iterations)
{
int bytesConsumed;
using (iteration.StartMeasurement())
{
for (int i = 0; i < LoadIterations; i++)
{
ReadOnlySpan <byte> utf8ByteSpan = byteSpanList[i % 10];
uint value;
InternalParser.TryParseUInt32(utf8ByteSpan, fd, nf, out value, out bytesConsumed);
DoNotIgnore(value, bytesConsumed);
}
}
}
}
[InlineData("0")] // min value
private unsafe static void InternalParserByteStarToUInt32(string text)
{
int length = text.Length;
byte[] utf8ByteArray = Encoding.UTF8.GetBytes(text);
EncodingData fd = EncodingData.InvariantUtf8;
TextFormat nf = new TextFormat('N');
foreach (var iteration in Benchmark.Iterations)
{
int bytesConsumed;
fixed(byte *utf8ByteStar = utf8ByteArray)
{
using (iteration.StartMeasurement())
{
for (int i = 0; i < LoadIterations; i++)
{
uint value;
InternalParser.TryParseUInt32(utf8ByteStar, 0, length, fd, nf, out value, out bytesConsumed);
DoNotIgnore(value, bytesConsumed);
}
}
}
}
}
public unsafe void ParseSubstringToUInt32(string text, int index, int count, uint expectedValue, int expectedConsumed)
{
uint parsedValue;
int charsConsumed;
bool result = InternalParser.TryParseUInt32(text, index, count, out parsedValue, out charsConsumed);
Assert.True(result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedConsumed, charsConsumed);
}
public unsafe void ParseSpanOfCharToUInt32(string text, uint expectedValue, int expectedConsumed)
{
var span = new ReadOnlySpan <char>(text.ToCharArray());
uint parsedValue;
int charsConsumed;
bool result = InternalParser.TryParseUInt32(span, out parsedValue, out charsConsumed);
Assert.True(result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedConsumed, charsConsumed);
}
public unsafe void ParseUtf8StringToUInt32(string text, uint expectedValue, int expectedConsumed)
{
var utf8 = new Utf8String(text);
uint parsedValue;
int bytesConsumed;
bool result = InternalParser.TryParseUInt32(utf8, out parsedValue, out bytesConsumed);
Assert.True(result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedConsumed, bytesConsumed);
}
public unsafe void ParseUtf8SpanOfBytesToUInt32(string text, uint expectedValue, int expectedConsumed)
{
byte[] textBuffer = Encoding.UTF8.GetBytes(text);
var span = new ReadOnlySpan <byte>(textBuffer);
uint parsedValue;
int bytesConsumed;
bool result = InternalParser.TryParseUInt32(span, TextEncoding.Utf8, out parsedValue, out bytesConsumed);
Assert.True(result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedConsumed, bytesConsumed);
}