public static void TryGetDescriptionReturnsEmptyDescriptionAndSpanWhenNodeHasNoDescriptionAttributeAndNoChildren()
{
var target = new TestableSyntaxNode(SyntaxKind.Template, new Span(0, 1));
string description;
Span applicableTo;
Assert.False(target.TryGetDescription(0, out description, out applicableTo));
Assert.Equal(string.Empty, description);
Assert.Equal(default(Span), applicableTo);
}
public static void TryGetDescriptionReturnsEmptyDescriptionAndSpanGivenPositionOutsideOfItsSpan()
{
var target = new TestableSyntaxNode(SyntaxKind.Template, new Span(1, 1));
string description;
Span applicableTo;
Assert.False(target.TryGetDescription(2, out description, out applicableTo));
Assert.Equal(string.Empty, description);
Assert.Equal(default(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 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 TryGetDescriptionReturnsEmptyDescriptionAndSpanWhenNodeHasNoDescriptionAttributeAndNoChildren()
{
var target = new TestableSyntaxNode(SyntaxKind.Template, new Span(0, 1));
string description;
Span applicableTo;
Assert.False(target.TryGetDescription(0, out description, out applicableTo));
Assert.Equal(string.Empty, description);
Assert.Equal(default(Span), applicableTo);
}
public static void TryGetDescriptionReturnsEmptyDescriptionAndSpanGivenPositionOutsideOfItsSpan()
{
var target = new TestableSyntaxNode(SyntaxKind.Template, new Span(1, 1));
string description;
Span applicableTo;
Assert.False(target.TryGetDescription(2, out description, out applicableTo));
Assert.Equal(string.Empty, description);
Assert.Equal(default(Span), applicableTo);
}
