public void CanReadWrite() { var sut = new ShapeFileHeader( _fixture.Create <WordLength>(), _fixture.Create <ShapeType>(), _fixture.Create <BoundingBox3D>()); using (var stream = new MemoryStream()) { using (var writer = new BinaryWriter(stream, Encoding.ASCII, true)) { sut.Write(writer); writer.Flush(); } stream.Position = 0; using (var reader = new BinaryReader(stream, Encoding.ASCII, true)) { var result = ShapeFileHeader.Read(reader); Assert.Equal(sut.FileLength, result.FileLength); Assert.Equal(sut.ShapeType, result.ShapeType); Assert.Equal(sut.BoundingBox, result.BoundingBox); } } }
public void ReadExpectsHeaderShapeTypeToBeValid() { var shapeType = _fixture.Create <Generator <int> >().First(_ => !Enum.IsDefined(typeof(ShapeType), _)); using (var stream = new MemoryStream()) { using (var writer = new BinaryWriter(stream, Encoding.ASCII, true)) { writer.WriteInt32BigEndian(ShapeFileHeader.ExpectedFileCode); for (var index = 0; index < 20; index++) { writer.Write((byte)0x0); } writer.WriteInt32BigEndian(_fixture.Create <int>()); writer.WriteInt32LittleEndian(ShapeFileHeader.ExpectedVersion); writer.WriteInt32LittleEndian(shapeType); writer.Flush(); } stream.Position = 0; using (var reader = new BinaryReader(stream, Encoding.ASCII, true)) { Assert.Throws <ShapeFileHeaderException>( () => ShapeFileHeader.Read(reader) ); } } }
public void WriteManyHasExpectedResult() { var shapeType = _fixture.Create <ShapeType>(); var recordCount = _fixture.Create <ShapeRecordCount>(); var shapeRecords = GenerateManyRecords(shapeType, recordCount); var length = shapeRecords.Aggregate(ShapeFileHeader.Length, (result, current) => result.Plus(current.Length)); var boundingBox = shapeRecords.Aggregate(BoundingBox3D.Empty, (result, current) => { if (current.Content is PointShapeContent pointContent) { return(result.ExpandWith(BoundingBox3D.FromGeometry(pointContent.Shape))); } if (current.Content is PolyLineMShapeContent lineContent) { return(result.ExpandWith(BoundingBox3D.FromGeometry(lineContent.Shape))); } return(result); }); var expectedHeader = new ShapeFileHeader(length, shapeType, boundingBox); var expectedRecords = new ShapeIndexRecord[shapeRecords.Length]; var offset = ShapeIndexRecord.InitialOffset; for (var index = 0; index < shapeRecords.Length; index++) { var shapeRecord = shapeRecords[index]; expectedRecords[index] = shapeRecord.IndexAt(offset); offset = offset.Plus(shapeRecord.Length); } using (var stream = new MemoryStream()) { using (var sut = new ShapeIndexBinaryWriter(expectedHeader, new BinaryWriter(stream, Encoding.ASCII, true))) { //Act sut.Write(expectedRecords); } // Assert stream.Position = 0; using (var reader = new BinaryReader(stream, Encoding.ASCII, true)) { var actualHeader = ShapeFileHeader.Read(reader); var actualRecords = new List <ShapeIndexRecord>(); while (reader.BaseStream.Position != reader.BaseStream.Length) { actualRecords.Add(ShapeIndexRecord.Read(reader)); } Assert.Equal(expectedHeader, actualHeader); Assert.Equal(expectedRecords, actualRecords, new ShapeIndexRecordEqualityComparer()); } } }
public void WriteOneHasExpectedResult() { var shapeType = _fixture.Create <ShapeType>(); var recordCount = _fixture.Create <ShapeRecordCount>(); var shapeRecord = GenerateOneRecord(shapeType); var length = ShapeFileHeader.Length.Plus(shapeRecord.Length); var boundingBox = BoundingBox3D.Empty; if (shapeRecord.Content is PointShapeContent pointContent) { boundingBox = BoundingBox3D.FromGeometry(pointContent.Shape); } if (shapeRecord.Content is PolyLineMShapeContent lineContent) { boundingBox = BoundingBox3D.FromGeometry(lineContent.Shape); } if (shapeRecord.Content is PolygonShapeContent polygonContent) { boundingBox = BoundingBox3D.FromGeometry(polygonContent.Shape); } var expectedHeader = new ShapeFileHeader(length, shapeType, boundingBox).ForIndex(recordCount); var expectedRecord = shapeRecord.IndexAt(ShapeIndexRecord.InitialOffset); using (var stream = new MemoryStream()) { using (var sut = new ShapeIndexBinaryWriter(expectedHeader, new BinaryWriter(stream, Encoding.ASCII, true))) { //Act sut.Write(expectedRecord); } // Assert stream.Position = 0; using (var reader = new BinaryReader(stream, Encoding.ASCII, true)) { var actualHeader = ShapeFileHeader.Read(reader); var actualRecord = ShapeIndexRecord.Read(reader); Assert.Equal(expectedHeader, actualHeader); Assert.Equal(expectedRecord, actualRecord, new ShapeIndexRecordEqualityComparer()); } } }
public void ReadExpectsHeaderToStartWithFileCode9994() { var start = _fixture.Create <Generator <int> >().First(_ => _ != ShapeFileHeader.ExpectedFileCode); using (var stream = new MemoryStream()) { using (var writer = new BinaryWriter(stream, Encoding.ASCII, true)) { writer.WriteInt32BigEndian(start); writer.Flush(); } stream.Position = 0; using (var reader = new BinaryReader(stream, Encoding.ASCII, true)) { Assert.Throws <ShapeFileHeaderException>( () => ShapeFileHeader.Read(reader) ); } } }
public void ReaderCanNotBeNull() { new GuardClauseAssertion(_fixture) .Verify(Methods.Select(() => ShapeFileHeader.Read(null))); }