public void WriteOneOnDisposedInstanceHasExpectedResult()
{
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);
}
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.Dispose();
Assert.Throws <ObjectDisposedException>(() => sut.Write(expectedRecord));
}
}
}
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 PropertiesReturnExpectedValues()
{
var header = _fixture.Create <ShapeFileHeader>();
using (var writer = new BinaryWriter(new MemoryStream()))
using (var sut = new ShapeIndexBinaryWriter(header, writer))
{
Assert.Same(header, sut.Header);
Assert.Same(writer, sut.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 DisposeHasExpectedResult()
{
var expectedHeader = new ShapeFileHeader(
ShapeFileHeader.Length,
_fixture.Create <ShapeType>(),
BoundingBox3D.Empty
).ForIndex(new ShapeRecordCount(0));
using (var stream = new MemoryStream())
{
using (var writer = new BinaryWriter(stream, Encoding.ASCII, false))
using (var sut = new ShapeIndexBinaryWriter(expectedHeader, writer))
{
sut.Dispose();
Assert.Throws <ObjectDisposedException>(() => writer.Write(_fixture.Create <byte>()));
}
}
}
public void WriteManyRecordsCanNotBeNull()
{
var expectedHeader = new ShapeFileHeader(
ShapeFileHeader.Length,
_fixture.Create <ShapeType>(),
BoundingBox3D.Empty
).ForIndex(new ShapeRecordCount(0));
using (var stream = new MemoryStream())
{
using (var sut =
new ShapeIndexBinaryWriter(expectedHeader, new BinaryWriter(stream, Encoding.ASCII, true)))
{
//Act
Assert.Throws <ArgumentNullException>(() => sut.Write((IEnumerable <ShapeIndexRecord>)null));
}
}
}
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));
}
}
}
