public void Ctor_from_pointer()
{
string str = "abc";
fixed(char *charsPtr = str)
{
var mgr = new UnmanagedPointerMemoryManager <char>(charsPtr, str.Length);
Assert.Equal('a', mgr.Memory.Span[0]);
}
}
public void Pin_throw_ArgumentOutOfRangeException()
{
var array = new byte[] { 31, 33, 7 };
var span = new Span <byte>(array);
fixed(byte *ptr = array)
{
var mgr = new UnmanagedPointerMemoryManager <byte>(span);
Assert.Throws <ArgumentOutOfRangeException>(() => mgr.Pin(-1));
}
}
public void GetSpan_cctor_from_span()
{
var array = new byte[] { 31, 33, 7 };
var span = new Span <byte>(array);
fixed(byte *ptr = array)
{
var mgr = new UnmanagedPointerMemoryManager <byte>(span);
var mgrSpan = mgr.GetSpan();
Assert.Equal(span[0], mgrSpan[0]);
Assert.Equal(array[1], mgrSpan[1]);
Assert.Equal(array[2], mgrSpan[2]);
}
}
public void Pin()
{
var array = new byte[] { 31, 33, 7 };
var span = new Span <byte>(array);
fixed(byte *ptr = array)
{
var mgr = new UnmanagedPointerMemoryManager <byte>(span);
using (var handle00 = mgr.Pin())
using (var handle01 = mgr.Pin(1))
{
Assert.Equal((ulong)ptr, (ulong)handle00.Pointer);
Assert.Equal((ulong)(ptr + 1), (ulong)handle01.Pointer);
}
}
}
