public void ShouldUnpackTinyStringAsEmptyString()
{
var mockInput = new Mock <IInputStream>();
mockInput.Setup(x => x.ReadByte()).Returns(PackStream.TINY_STRING);
var u = new PackStream.Unpacker(mockInput.Object, null);
u.UnpackString().Should().BeEmpty(); //.Equals(String.Empty);
mockInput.Verify(x => x.ReadByte(), Times.Once);
}
public void ShouldThrowExceptionIfMarkerByteNotString()
{
var mockInput = new Mock <IInputStream>();
mockInput.Setup(x => x.ReadByte()).Returns(PackStream.FALSE);
var u = new PackStream.Unpacker(mockInput.Object, new BigEndianTargetBitConverter());
var ex = Xunit.Record.Exception(() => u.UnpackString());
ex.Should().BeOfType <ArgumentOutOfRangeException>();
mockInput.Verify(x => x.ReadByte(), Times.Once);
}
public void ShouldThrowExceptionIfMarkerByteNotString()
{
var mockInput = new Mock <IInputStream>();
mockInput.Setup(x => x.ReadByte()).Returns(PackStream.FALSE);
var u = new PackStream.Unpacker(mockInput.Object);
var ex = Xunit.Record.Exception(() => u.UnpackString());
ex.Should().BeOfType <ProtocolException>();
mockInput.Verify(x => x.ReadByte(), Times.Once);
}
public void ShouldUnpackStringLessThan16Chars()
{
var mockInput = new Mock <IInputStream>();
mockInput.Setup(x => x.ReadByte()).Returns(0x81);
mockInput.Setup(x => x.ReadBytes(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int?>()))
.Callback <byte[], int, int?>((buffer, offset, size) => { buffer[0] = 0x61; });
var u = new PackStream.Unpacker(mockInput.Object, new BigEndianTargetBitConverter());
u.UnpackString().Should().Be("a");
mockInput.Verify(x => x.ReadByte(), Times.Once);
mockInput.Verify(x => x.ReadBytes(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int?>()), Times.Once);
}
public void ShouldThrowExceptionWhenUnpackString32ReturnsStringSizeLonggerThanIntMax()
{
var mockInput = new Mock <IInputStream>();
mockInput.Setup(x => x.ReadByte()).Returns(PackStream.STRING_32);
mockInput.Setup(x => x.ReadInt()).Returns(-1);
var u = new PackStream.Unpacker(mockInput.Object, new BigEndianTargetBitConverter());
var ex = Xunit.Record.Exception(() => u.UnpackString());
ex.Should().BeOfType <ArgumentOutOfRangeException>();
mockInput.Verify(x => x.ReadByte(), Times.Once);
mockInput.Verify(x => x.ReadInt(), Times.Once);
}
public void ShouldUnpackString8()
{
var mockInput = new Mock <IInputStream>();
mockInput.Setup(x => x.ReadByte())
.Returns(new Queue <byte>(new[] { PackStream.STRING_8, (byte)1 }).Dequeue);
mockInput.Setup(x => x.ReadBytes(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int?>()))
.Callback <byte[], int, int?>((buffer, offset, size) => { buffer[0] = 0x61; });
var u = new PackStream.Unpacker(mockInput.Object, new BigEndianTargetBitConverter());
u.UnpackString().Should().Be("a");
mockInput.Verify(x => x.ReadByte(), Times.Exactly(2));
mockInput.Verify(x => x.ReadBytes(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int?>()), Times.Once);
}
public void ShouldThrowExceptionWhenUnpackString32ReturnsStringSizeLonggerThanIntMax()
{
var mockInput = new Mock <IInputStream>();
mockInput.Setup(x => x.ReadByte()).Returns(PackStream.STRING_32);
mockInput.Setup(x => x.ReadInt()).Returns(-1);
var u = new PackStream.Unpacker(mockInput.Object);
var ex = Xunit.Record.Exception(() => u.UnpackString());
ex.Should().BeOfType <ProtocolException>();
mockInput.Verify(x => x.ReadByte(), Times.Once);
mockInput.Verify(x => x.ReadInt(), Times.Once);
}
public void ShouldUnpackString32()
{
var mockInput = new Mock <IInputStream>();
mockInput.Setup(x => x.ReadByte()).Returns(PackStream.STRING_32);
mockInput.Setup(x => x.ReadInt()).Returns(1);
mockInput.Setup(x => x.ReadBytes(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int?>()))
.Callback <byte[], int, int?>((buffer, offset, size) => { buffer[0] = 0x61; });
var u = new PackStream.Unpacker(mockInput.Object);
u.UnpackString().Should().Be("a");
mockInput.Verify(x => x.ReadByte(), Times.Once);
mockInput.Verify(x => x.ReadInt(), Times.Once);
mockInput.Verify(x => x.ReadBytes(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int?>()), Times.Once);
}
