public void CanReadWrite()
{
var sut = new ShapeIndexRecord(
_fixture.Create <WordOffset>(),
_fixture.Create <WordLength>());
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 = ShapeIndexRecord.Read(reader);
Assert.Equal(sut.Offset, result.Offset);
Assert.Equal(sut.ContentLength, result.ContentLength);
}
}
}
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 Write(ShapeIndexRecord record)
{
if (record == null)
{
throw new ArgumentNullException(nameof(record));
}
record.Write(Writer);
}
public void Write(ShapeIndexRecord record)
{
if (record == null)
{
throw new ArgumentNullException(nameof(record));
}
if (_disposed)
{
throw new ObjectDisposedException(nameof(DbaseBinaryWriter));
}
record.Write(Writer);
}
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 WriteManyOnDisposedInstanceHasExpectedResult()
{
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)))
{
sut.Dispose();
Assert.Throws <ObjectDisposedException>(() => sut.Write(expectedRecords));
}
}
}
public void ReaderCanNotBeNull()
{
new GuardClauseAssertion(_fixture)
.Verify(Methods.Select(() => ShapeIndexRecord.Read(null)));
}
