public void NibbleAt()
{
var cursor = new PathCursor(KeyBytes.FromHex("cfed4460"), false);
Assert.Equal(0xc, cursor.NibbleAt(0));
Assert.Equal(0xf, cursor.NibbleAt(1));
Assert.Equal(0xe, cursor.NibbleAt(2));
Assert.Throws <ArgumentOutOfRangeException>(() => { cursor.NibbleAt(-1); });
Assert.Throws <ArgumentOutOfRangeException>(() => { cursor.NibbleAt(8); });
cursor = PathCursor.FromNibbles(FromHex("0c0f0e0d040406"), 3);
Assert.Equal(0xd, cursor.NibbleAt(0));
Assert.Equal(0x4, cursor.NibbleAt(1));
Assert.Throws <ArgumentOutOfRangeException>(() => { cursor.NibbleAt(-1); });
Assert.Throws <ArgumentOutOfRangeException>(() => { cursor.NibbleAt(5); });
}
public void FromNibbles()
{
ImmutableArray <byte> nibbles = FromHex("0c0f0e0d04040600");
PathCursor cursor = PathCursor.FromNibbles(nibbles);
AssertBytesEqual(FromHex("cfed4460"), cursor.Bytes);
Assert.Equal(8, cursor.NibbleLength);
Assert.Equal(0, cursor.NibbleOffset);
cursor = PathCursor.FromNibbles(nibbles, 1);
AssertBytesEqual(FromHex("cfed4460"), cursor.Bytes);
Assert.Equal(8, cursor.NibbleLength);
Assert.Equal(1, cursor.NibbleOffset);
Assert.Throws <ArgumentOutOfRangeException>(() =>
{
_ = PathCursor.FromNibbles(nibbles, -1);
});
Assert.Throws <ArgumentOutOfRangeException>(() =>
{
_ = PathCursor.FromNibbles(nibbles, 9);
});
}
