public void Next() { var cursor = new PathCursor(KeyBytes.FromHex("cfed4460"), false); Assert.Equal(0, cursor.NibbleOffset); Assert.Equal(8, cursor.RemainingNibbleLength); Assert.Equal((byte)0xc, cursor.NextNibble); AssertBytesEqual(FromHex("0c0f0e0d04040600"), cursor.GetRemainingNibbles()); Assert.Throws <ArgumentOutOfRangeException>(() => { cursor = cursor.Next(-1); }); Assert.Equal(0, cursor.NibbleOffset); Assert.Equal(8, cursor.RemainingNibbleLength); Assert.Throws <ArgumentOutOfRangeException>(() => { cursor = cursor.Next(9); }); Assert.Equal(0, cursor.NibbleOffset); Assert.Equal(8, cursor.RemainingNibbleLength); var next = cursor.Next(1); Assert.Equal(0, cursor.NibbleOffset); Assert.Equal(8, cursor.RemainingNibbleLength); Assert.Equal((byte)0xc, cursor.NextNibble); AssertBytesEqual(FromHex("0c0f0e0d04040600"), cursor.GetRemainingNibbles()); Assert.Equal(1, next.NibbleOffset); Assert.Equal((byte)0xf, next.NextNibble); Assert.Equal(7, next.RemainingNibbleLength); AssertBytesEqual(FromHex("0f0e0d04040600"), next.GetRemainingNibbles()); Assert.Throws <ArgumentOutOfRangeException>(() => { next = next.Next(-1); }); Assert.Equal(1, next.NibbleOffset); Assert.Equal(7, next.RemainingNibbleLength); Assert.Throws <ArgumentOutOfRangeException>(() => { next = next.Next(8); }); Assert.Equal(1, next.NibbleOffset); Assert.Equal(7, next.RemainingNibbleLength); var next2 = next.Next(5); Assert.Equal(0, cursor.NibbleOffset); Assert.Equal(8, cursor.RemainingNibbleLength); Assert.Equal((byte)0xc, cursor.NextNibble); AssertBytesEqual(FromHex("0c0f0e0d04040600"), cursor.GetRemainingNibbles()); Assert.Equal(1, next.NibbleOffset); Assert.Equal(7, next.RemainingNibbleLength); Assert.Equal((byte)0xf, next.NextNibble); AssertBytesEqual(FromHex("0f0e0d04040600"), next.GetRemainingNibbles()); Assert.Equal(6, next2.NibbleOffset); Assert.Equal(2, next2.RemainingNibbleLength); Assert.Equal((byte)0x6, next2.NextNibble); AssertBytesEqual(FromHex("0600"), next2.GetRemainingNibbles()); }
public void RemainingNibblesStartWith() { var cursor = new PathCursor(KeyBytes.FromHex("cfed4460"), false); Assert.True(cursor.RemainingNibblesStartWith(FromHex("0c0f0e0d04"))); Assert.False(cursor.RemainingNibblesStartWith(FromHex("0c0f0e0d040406000a"))); Assert.False(cursor.RemainingNibblesStartWith(FromHex("0c0f0e0d0f0f0f"))); PathCursor next = cursor.Next(3); Assert.True(next.RemainingNibblesStartWith(FromHex("0d0404"))); Assert.False(next.RemainingNibblesStartWith(FromHex("0d040406000a0b0c0d"))); Assert.False(next.RemainingNibblesStartWith(FromHex("0d040a0b0c"))); }
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 Constructor() { KeyBytes keyBytes = KeyBytes.FromHex("cfed4460"); var cursor = new PathCursor(keyBytes, false); AssertBytesEqual(keyBytes.ByteArray, cursor.Bytes); Assert.Equal(8, cursor.NibbleLength); Assert.Equal(0, cursor.NibbleOffset); cursor = new PathCursor(keyBytes, true); ImmutableArray <byte> hash = FromHex("42b7a23ca82b1d195f73ac729f216074c7781af7bd808bea825e38556eca13a6"); AssertBytesEqual(hash, cursor.Bytes); Assert.Equal(64, cursor.NibbleLength); Assert.Equal(0, cursor.NibbleOffset); }
public void CountCommonStartingNibbles() { var cursor = new PathCursor(KeyBytes.FromHex("cfed4460"), false); Assert.Equal( 0, cursor.CountCommonStartingNibbles(ImmutableArray <byte> .Empty) ); Assert.Equal( 0, cursor.CountCommonStartingNibbles(FromHex("0a0b0c0d")) ); Assert.Equal( 3, cursor.CountCommonStartingNibbles(FromHex("0c0f0e0f0f0f0f")) ); Assert.Equal( 8, cursor.CountCommonStartingNibbles(FromHex("0c0f0e0d040406000a0b0c0d")) ); PathCursor next = cursor.Next(3); Assert.Equal( 0, next.CountCommonStartingNibbles(ImmutableArray <byte> .Empty) ); Assert.Equal( 0, next.CountCommonStartingNibbles(FromHex("0c0f0e0f0f0f0f")) ); Assert.Equal( 3, next.CountCommonStartingNibbles(FromHex("0d04040a0b0c")) ); Assert.Equal( 5, next.CountCommonStartingNibbles(FromHex("0d040406000a0b0c0d")) ); }