public void EmptyNode_TryGetAttribute_ReturnsFalse(Fb2Node instance)
{
if (instance.AllowedAttributes.Count == 0)
{
return;
}
instance.Attributes.Should().BeEmpty();
instance.TryGetAttribute(instance.AllowedAttributes.First(), out var result)
.Should()
.BeFalse();
//result.Key.Should().BeNullOrEmpty();
//result.Value.Should().BeNullOrEmpty();
result.Should().BeNull();
//result.Value.Should().BeNullOrEmpty();
instance.TryGetAttribute(instance.AllowedAttributes.First(), true, out var resultIgnoreCase)
.Should()
.BeFalse();
resultIgnoreCase.Should().BeNull();
//resultIgnoreCase.Key.Should().BeNullOrEmpty();
//resultIgnoreCase.Value.Should().BeNullOrEmpty();
}
private static string GetCellAlignment(Fb2Node cell, string alignAttributeName)
{
if (cell == null || string.IsNullOrWhiteSpace(alignAttributeName))
{
throw new ArgumentNullException();
}
if (cell.TryGetAttribute(alignAttributeName, true, out var align))
{
return(align !.Value);
}
return(string.Empty);
}
// if no span found return 1 as minimal cell unit width/height
private static int GetCellSpan(Fb2Node cell, string spanAttrName)
{
if (cell == null || string.IsNullOrWhiteSpace(spanAttrName))
{
throw new ArgumentNullException();
}
if (cell.TryGetAttribute(spanAttrName, true, out var span) &&
int.TryParse(span !.Value, out int spanNumber) && spanNumber > 1)
{
return(spanNumber);
}
return(1);
}