private static void StichingTestNoStichingNeeded(int inputBufferSize)
{
Span <byte> source = new byte[inputBufferSize];
Base64TestHelper.InitalizeDecodableBytes(source);
Span <byte> expected = new byte[inputBufferSize];
Base64.Decoder.Transform(source, expected, out int expectedConsumed, out int expectedWritten);
Base64TestHelper.SplitSourceIntoSpans(source, false, out ReadOnlySpan <byte> source1, out ReadOnlySpan <byte> source2);
Span <byte> destination = new byte[inputBufferSize]; // Plenty of space
int bytesConsumed = 0;
int bytesWritten = 0;
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
Base64TestHelper.DecodeNoNeedToStich(source1, source2, destination, out bytesConsumed, out bytesWritten);
}
}
}
Assert.Equal(expectedConsumed, bytesConsumed);
Assert.Equal(expectedWritten, bytesWritten);
Assert.True(expected.SequenceEqual(destination));
}
[InlineData(30000, 50000)] // No Third Call
private static void StichingTestStichingRequired(int stackSize, int inputBufferSize)
{
Span <byte> source = new byte[inputBufferSize];
Base64TestHelper.InitalizeDecodableBytes(source);
Span <byte> expected = new byte[inputBufferSize];
Base64.Utf8ToBytes(source, expected, out int expectedConsumed, out int expectedWritten);
Base64TestHelper.SplitSourceIntoSpans(source, true, out ReadOnlySpan <byte> source1, out ReadOnlySpan <byte> source2);
Span <byte> destination = new byte[inputBufferSize]; // Plenty of space
Span <byte> stackSpan = stackalloc byte[stackSize];
int bytesConsumed = 0;
int bytesWritten = 0;
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
for (int i = 0; i < Benchmark.InnerIterationCount; i++)
{
Base64TestHelper.DecodeStichUsingStack(source1, source2, destination, stackSpan, out bytesConsumed, out bytesWritten);
}
}
}
Assert.Equal(expectedConsumed, bytesConsumed);
Assert.Equal(expectedWritten, bytesWritten);
Assert.True(expected.SequenceEqual(destination));
}
