public static void TryGetDescriptionReturnsDescriptionAndSpanOfParentIfChildsDescriptionIsEmpty()
{
var parent = new TestableSyntaxNodeWithDescription(new Span(0, 4), new TestableSyntaxNode(SyntaxKind.BlockEnd, new Span(0, 2)));
var parentAttribute = typeof(TestableSyntaxNodeWithDescription).GetCustomAttributes(false).OfType <DescriptionAttribute>().Single();
string description;
Span applicableTo;
Assert.True(parent.TryGetDescription(0, out description, out applicableTo));
Assert.Equal(parentAttribute.Description, description);
Assert.Equal(parent.Span, applicableTo);
}
public static void TryGetDescriptionReturnsDescriptionAndSpanOfNodeWhenNodeHasNoChildren()
{
var target = new TestableSyntaxNodeWithDescription(new Span(0, 1));
var attribute = typeof(TestableSyntaxNodeWithDescription).GetCustomAttributes(false).OfType <DescriptionAttribute>().Single();
string description;
Span applicableTo;
Assert.True(target.TryGetDescription(0, out description, out applicableTo));
Assert.Equal(attribute.Description, description);
Assert.Equal(target.Span, applicableTo);
}
public static void TryGetDescriptionReturnsDescriptionAndSpanOfChildNodeWhoseSpanContainsGivenPosition()
{
SyntaxNode child = new TestableSyntaxNodeWithDescription(new Span(0, 2));
var childAttribute = typeof(TestableSyntaxNodeWithDescription).GetCustomAttributes(false).OfType <DescriptionAttribute>().Single();
var parent = new TestableSyntaxNode(default(SyntaxKind), new Span(0, 4), child);
string description;
Span applicableTo;
Assert.True(parent.TryGetDescription(0, out description, out applicableTo));
Assert.Equal(childAttribute.Description, description);
Assert.Equal(child.Span, applicableTo);
}
public static void TryGetDescriptionReturnsDescriptionAndSpanOfParentIfChildsDescriptionIsEmpty()
{
var parent = new TestableSyntaxNodeWithDescription(new Span(0, 4), new TestableSyntaxNode(SyntaxKind.BlockEnd, new Span(0, 2)));
var parentAttribute = typeof(TestableSyntaxNodeWithDescription).GetCustomAttributes(false).OfType<DescriptionAttribute>().Single();
string description;
Span applicableTo;
Assert.True(parent.TryGetDescription(0, out description, out applicableTo));
Assert.Equal(parentAttribute.Description, description);
Assert.Equal(parent.Span, applicableTo);
}
public static void TryGetDescriptionReturnsDescriptionAndSpanOfChildNodeWhoseSpanContainsGivenPosition()
{
SyntaxNode child = new TestableSyntaxNodeWithDescription(new Span(0, 2));
var childAttribute = typeof(TestableSyntaxNodeWithDescription).GetCustomAttributes(false).OfType<DescriptionAttribute>().Single();
var parent = new TestableSyntaxNode(default(SyntaxKind), new Span(0, 4), child);
string description;
Span applicableTo;
Assert.True(parent.TryGetDescription(0, out description, out applicableTo));
Assert.Equal(childAttribute.Description, description);
Assert.Equal(child.Span, applicableTo);
}
public static void TryGetDescriptionReturnsDescriptionAndSpanOfNodeWhenNodeHasNoChildren()
{
var target = new TestableSyntaxNodeWithDescription(new Span(0, 1));
var attribute = typeof(TestableSyntaxNodeWithDescription).GetCustomAttributes(false).OfType<DescriptionAttribute>().Single();
string description;
Span applicableTo;
Assert.True(target.TryGetDescription(0, out description, out applicableTo));
Assert.Equal(attribute.Description, description);
Assert.Equal(target.Span, applicableTo);
}