C# (CSharp) Fb2Container.GetFirstChild Exemples

Exemple #1

        public void Container_CanContainText_AddMultipleTextContent_Works(Fb2Container node)
        {
            node.Should().NotBeNull();

            if (!node.CanContainText)
            {
                return;
            }

            node.AddTextContent("test text");

            node.Content.Count.Should().Be(1);
            var first = node.GetFirstChild <TextItem>();

            first.Should().NotBeNull();
            first.Content.Should().Be("test text");

            node.AddTextContent("test text 2", " ");

            node.Content.Count.Should().Be(1);
            var second = node.GetFirstChild <TextItem>();

            second.Should().NotBeNull();
            second.Content.Should().Be("test text test text 2");
            first.Content.Should().Be("test text test text 2");

            node.AddTextContent("test text 3", " ");

            node.Content.Count.Should().Be(1);
            second.Content.Should().Be("test text test text 2 test text 3");
            first.Content.Should().Be("test text test text 2 test text 3");
        }

Exemple #2

        public void Container_CanContainText_AddMultipleTextNodes_WithContainers_Works(Fb2Container node)
        {
            node.Should().NotBeNull();

            if (!node.CanContainText)
            {
                return;
            }

            node.AddContent(new TextItem().AddContent("test text"));

            node.Content.Count.Should().Be(1);
            node.Parent.Should().BeNull();
            var first = node.GetFirstChild <TextItem>() !;

            first.Should().NotBeNull();
            first.Content.Should().Be("test text");
            first.Parent.Should().NotBeNull().And.Be(node);

            node.AddContent(new TextItem().AddContent(" test text 2 "));

            node.Content.Count.Should().Be(1);
            var second = node.GetFirstChild <TextItem>() !;

            second.Should().NotBeNull();
            second.Content.Should().Be("test text test text 2 ");
            //second.Parent.Should().NotBeNull();
            first.Content.Should().Be("test text test text 2 ");

            node.AddContent(node.AllowedElements.First());
            var firstAllowedElement = node.GetFirstChild(node.AllowedElements.First()) !;

            firstAllowedElement.Should().NotBeNull();
            firstAllowedElement.Parent.Should().NotBeNull().And.Be(node);

            node.Content.Count.Should().Be(2);

            node.AddContent(new TextItem().AddContent("test text 3 "));

            node.Content.Count.Should().Be(3);
            var textItems = node.GetChildren <TextItem>().ToList();

            textItems.Count.Should().Be(2);
            textItems.First().Content.Should().Be("test text test text 2 ");
            textItems.Last().Parent.Should().NotBeNull().And.Be(node);
            textItems.Last().Content.Should().Be("test text 3 ");
        }

Exemple #3

        public void EmpyContainerNode_QueryChildrenNodes_ReturnsNullOrEmpty(Fb2Container node)
        {
            var firstAllowedChildName = node.AllowedElements.First();

            bool firstAllowedChildPredicate(Fb2Node nodeToCompare) => nodeToCompare.Name.Equals(firstAllowedChildName);

            node.GetChildren(firstAllowedChildName).Should().BeEmpty();
            node.GetChildren(firstAllowedChildPredicate).Should().BeEmpty();
            node.GetChildren <Fb2Node>().Should().BeEmpty();
            node.GetChildren <BodySection>().Should().BeEmpty();

            node.GetFirstChild(firstAllowedChildName).Should().BeNull();
            node.GetFirstChild(firstAllowedChildPredicate).Should().BeNull();
            node.GetFirstChild((string)null).Should().BeNull();
            node.GetFirstChild("").Should().BeNull();
            node.GetFirstChild <Fb2Node>().Should().BeNull();
            node.GetFirstChild <BodySection>().Should().BeNull();
        }