public void GroupToSpan_OutOfRange(long totalLength, int bufferLength, int spanLength)
{
using MemoryGroup <int> src = this.CreateTestGroup(totalLength, bufferLength, true);
var trg = new int[spanLength];
Assert.ThrowsAny <ArgumentOutOfRangeException>(() => src.CopyTo(trg));
}
public void WhenTargetBufferTooShort_Throws()
{
using MemoryGroup <int> src = this.CreateTestGroup(10, 20, true);
using MemoryGroup <int> trg = this.CreateTestGroup(5, 20, false);
Assert.Throws <ArgumentOutOfRangeException>(() => src.CopyTo(trg));
}
public void GroupToSpan_Success(long totalLength, int bufferLength, int spanLength)
{
using MemoryGroup <int> src = this.CreateTestGroup(totalLength, bufferLength, true);
var trg = new int[spanLength];
src.CopyTo(trg);
int expected = 1;
foreach (int val in trg.AsSpan().Slice(0, (int)totalLength))
{
Assert.Equal(expected, val);
expected++;
}
}
public void WhenSourceBufferIsShorterOrEqual(int srcTotal, int srcBufLen, int trgTotal, int trgBufLen)
{
using MemoryGroup <int> src = this.CreateTestGroup(srcTotal, srcBufLen, true);
using MemoryGroup <int> trg = this.CreateTestGroup(trgTotal, trgBufLen, false);
src.CopyTo(trg);
int pos = 0;
MemoryGroupIndex i = src.MinIndex();
MemoryGroupIndex j = trg.MinIndex();
for (; i < src.MaxIndex(); i += 1, j += 1, pos++)
{
int a = src.GetElementAt(i);
int b = trg.GetElementAt(j);
Assert.True(a == b, $"Mismatch @ {pos} Expected: {a} Actual: {b}");
}
}