| using DotPulsar.Internal; |
| using DotPulsar.Internal.Extensions; |
| using Xunit; |
| |
| namespace DotPulsar.Tests.Internal.Extensions |
| { |
| public class ReadOnlySequenceExtensionsTests |
| { |
| [Fact] |
| public void StartsWith_GivenToShortSequenceWithSingleSegment_ShouldReturnFalse() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x00 }).Build(); |
| |
| //Act |
| var actual = sequence.StartsWith(new byte[] { 0x00, 0x01 }); |
| |
| //Assert |
| Assert.False(actual); |
| } |
| |
| [Fact] |
| public void StartsWith_GivenSequenceWithSingleSegment_ShouldReturnFalse() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x00, 0x02, 0x01 }).Build(); |
| |
| //Act |
| var actual = sequence.StartsWith(new byte[] { 0x00, 0x01 }); |
| |
| //Assert |
| Assert.False(actual); |
| } |
| |
| [Fact] |
| public void StartsWith_GivenSequenceWithSingleSegment_ShouldReturnTrue() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x00, 0x01, 0x02 }).Build(); |
| |
| //Act |
| var actual = sequence.StartsWith(new byte[] { 0x00, 0x01 }); |
| |
| //Assert |
| Assert.True(actual); |
| } |
| |
| [Fact] |
| public void StartsWith_GivenToShortSequenceWithMultipleSegments_ShouldReturnFalse() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x00, 0x01 }).Append(new byte[] { 0x02 }).Build(); |
| |
| //Act |
| var actual = sequence.StartsWith(new byte[] { 0x00, 0x01, 0x02, 0x03 }); |
| |
| //Assert |
| Assert.False(actual); |
| } |
| |
| [Fact] |
| public void StartsWith_GivenSequenceWithMultipleSegments_ShouldReturnFalse() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x00, 0x02 }).Append(new byte[] { 0x01, 0x03 }).Build(); |
| |
| //Act |
| var actual = sequence.StartsWith(new byte[] { 0x00, 0x01, 0x02 }); |
| |
| //Assert |
| Assert.False(actual); |
| } |
| |
| [Fact] |
| public void StartsWith_GivenSequenceWithMultipleSegments_ShouldReturnTrue() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x00, 0x01 }).Append(new byte[] { 0x02, 0x03 }).Build(); |
| |
| //Act |
| var actual = sequence.StartsWith(new byte[] { 0x00, 0x01, 0x02 }); |
| |
| //Assert |
| Assert.True(actual); |
| } |
| |
| [Fact] |
| public void ReadUInt32_GivenSequenceWithSingleSegment_ShouldGiveExceptedResult() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x00, 0x01, 0x02, 0x03 }).Build(); |
| |
| //Act |
| var actual = sequence.ReadUInt32(0, true); |
| |
| //Assert |
| const uint expected = 66051; |
| Assert.Equal(expected, actual); |
| } |
| |
| [Fact] |
| public void ReadUInt32_GivenSequenceWithSingleSegmentAndNonZeroStart_ShouldGiveExceptedResult() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x09, 0x00, 0x01, 0x02, 0x03 }).Build(); |
| |
| //Act |
| var actual = sequence.ReadUInt32(1, true); |
| |
| //Assert |
| const uint expected = 66051; |
| Assert.Equal(expected, actual); |
| } |
| |
| [Fact] |
| public void ReadUInt32_GivenSequenceWithMultipleSegments_ShouldGiveExceptedResult() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>().Append(new byte[] { 0x00, 0x01 }).Append(new byte[] { 0x02, 0x03 }).Build(); |
| |
| //Act |
| var actual = sequence.ReadUInt32(0, true); |
| |
| //Assert |
| const uint expected = 66051; |
| Assert.Equal(expected, actual); |
| } |
| |
| [Fact] |
| public void ReadUInt32_GivenSequenceWithMultipleSegmentsAndNonZeroStart_ShouldGiveExceptedResult() |
| { |
| //Arrange |
| var sequence = new SequenceBuilder<byte>() |
| .Append(new byte[] { 0x09, 0x09, 0x09 }) |
| .Append(new byte[] { 0x09, 0x00, 0x01 }) |
| .Append(new byte[] { 0x02, 0x03 }).Build(); |
| |
| //Act |
| var actual = sequence.ReadUInt32(4, true); |
| |
| //Assert |
| const uint expected = 66051; |
| Assert.Equal(expected, actual); |
| } |
| } |
| } |