public void ReadNext_EmptyTagList()
{
var reader = new ExifAttributeReader(null, new List <IExifAttributeParser>());
Assert.IsNull(reader.Read());
Assert.IsNull(reader.Read());
}
public void ReadNext_OneTag()
{
var reader = new ExifAttributeReader(null, new List <IExifAttributeParser>
{
new AttributeParserMock(new Attribute("test", new IntValue(1), AttributeSource.Metadata)),
});
var attr = reader.Read();
Assert.AreEqual("test", attr.Name);
Assert.AreEqual(AttributeSource.Metadata, attr.Source);
Assert.AreEqual(1, ((IntValue)attr.Value).Value);
Assert.IsNull(reader.Read());
}
public void ReadNext_NullAttributeInTheMiddle()
{
var reader = new ExifAttributeReader(null, new List <IExifAttributeParser>
{
new AttributeParserMock(new Attribute("test1", new IntValue(1), AttributeSource.Metadata)),
new AttributeParserMock(null),
new AttributeParserMock(new Attribute("test3", new IntValue(3), AttributeSource.Metadata)),
});
var attr = reader.Read();
Assert.AreEqual("test1", attr.Name);
Assert.AreEqual(AttributeSource.Metadata, attr.Source);
Assert.AreEqual(1, ((IntValue)attr.Value).Value);
// it will skip the null attribute
attr = reader.Read();
Assert.AreEqual("test3", attr.Name);
Assert.AreEqual(AttributeSource.Metadata, attr.Source);
Assert.AreEqual(3, ((IntValue)attr.Value).Value);
Assert.IsNull(reader.Read());
}