public void Test2()
{
var TEXT = @" / segment1 /segment2/ segment3 @ property1 ";
var expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Equal(PathAnchor.Root, expression.Anchor);
Assert.Equal("/segment1/segment2/segment3", expression.Path);
Assert.Equal(3, expression.Segments.Length);
Assert.Equal("segment1", expression.Segments[0]);
Assert.Equal("segment2", expression.Segments[1]);
Assert.Equal("segment3", expression.Segments[2]);
Assert.NotNull(expression.Accessor);
Assert.Equal(MemberExpressionType.Identifier, expression.Accessor.ExpressionType);
Assert.Equal("property1", ((IdentifierExpression)expression.Accessor).Name);
Assert.Null(expression.Accessor.Next);
TEXT = @" .. / segment1 /segment2/ segment3 [100] ";
expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Equal(PathAnchor.Parent, expression.Anchor);
Assert.Equal("../segment1/segment2/segment3", expression.Path);
Assert.Equal(3, expression.Segments.Length);
Assert.Equal("segment1", expression.Segments[0]);
Assert.Equal("segment2", expression.Segments[1]);
Assert.Equal("segment3", expression.Segments[2]);
Assert.NotNull(expression.Accessor);
Assert.Equal(MemberExpressionType.Indexer, expression.Accessor.ExpressionType);
var parameters = ((IndexerExpression)expression.Accessor).Arguments;
Assert.Equal(1, parameters.Count);
Assert.Equal(MemberExpressionType.Constant, parameters[0].ExpressionType);
Assert.Equal(100, (int)((ConstantExpression)parameters[0]).Value);
TEXT = @" segment1 /segment2/ segment3 @property1 [100] . property2 ";
expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Equal(PathAnchor.None, expression.Anchor);
Assert.Equal("segment1/segment2/segment3", expression.Path);
Assert.Equal(3, expression.Segments.Length);
Assert.Equal("segment1", expression.Segments[0]);
Assert.Equal("segment2", expression.Segments[1]);
Assert.Equal("segment3", expression.Segments[2]);
Assert.NotNull(expression.Accessor);
Assert.Equal(MemberExpressionType.Identifier, expression.Accessor.ExpressionType);
Assert.Equal("property1", ((IdentifierExpression)expression.Accessor).Name);
Assert.NotNull(expression.Accessor.Next);
var member = expression.Accessor.Next;
Assert.Equal(MemberExpressionType.Indexer, member.ExpressionType);
parameters = ((IndexerExpression)member).Arguments;
Assert.Equal(1, parameters.Count);
Assert.Equal(MemberExpressionType.Constant, parameters[0].ExpressionType);
Assert.Equal(100, (int)((ConstantExpression)parameters[0]).Value);
Assert.NotNull(member.Next);
member = member.Next;
Assert.Equal(MemberExpressionType.Identifier, member.ExpressionType);
Assert.Equal("property2", ((IdentifierExpression)member).Name);
Assert.Null(member.Next);
}
public void Test1()
{
var TEXT = @"/";
var expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Null(expression.Accessor);
Assert.Equal(PathAnchor.Root, expression.Anchor);
Assert.Equal("/", expression.Path);
Assert.True(expression.Segments == null || expression.Segments.Length == 0);
TEXT = @"./";
expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Null(expression.Accessor);
Assert.Equal(PathAnchor.Current, expression.Anchor);
Assert.Equal(".", expression.Path);
Assert.True(expression.Segments == null || expression.Segments.Length == 0);
TEXT = @".. /";
expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Null(expression.Accessor);
Assert.Equal(PathAnchor.Parent, expression.Anchor);
Assert.Equal("..", expression.Path);
Assert.True(expression.Segments == null || expression.Segments.Length == 0);
TEXT = @"segment1/segment2/segment3";
expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Null(expression.Accessor);
Assert.Equal(PathAnchor.None, expression.Anchor);
Assert.Equal("segment1/segment2/segment3", expression.Path);
Assert.Equal(3, expression.Segments.Length);
Assert.Equal("segment1", expression.Segments[0]);
Assert.Equal("segment2", expression.Segments[1]);
Assert.Equal("segment3", expression.Segments[2]);
TEXT = @" / segment1 / segment2/segment3";
expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Null(expression.Accessor);
Assert.Equal(PathAnchor.Root, expression.Anchor);
Assert.Equal("/segment1/segment2/segment3", expression.Path);
Assert.Equal(3, expression.Segments.Length);
Assert.Equal("segment1", expression.Segments[0]);
Assert.Equal("segment2", expression.Segments[1]);
Assert.Equal("segment3", expression.Segments[2]);
TEXT = @". /segment1/segment2 / segment3 ";
expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Null(expression.Accessor);
Assert.Equal(PathAnchor.Current, expression.Anchor);
Assert.Equal("./segment1/segment2/segment3", expression.Path);
Assert.Equal(3, expression.Segments.Length);
Assert.Equal("segment1", expression.Segments[0]);
Assert.Equal("segment2", expression.Segments[1]);
Assert.Equal("segment3", expression.Segments[2]);
TEXT = @"../segment1/segment2/segment3";
expression = HierarchicalExpressionParser.Parse(TEXT);
Assert.NotNull(expression);
Assert.Null(expression.Accessor);
Assert.Equal(PathAnchor.Parent, expression.Anchor);
Assert.Equal("../segment1/segment2/segment3", expression.Path);
Assert.Equal(3, expression.Segments.Length);
Assert.Equal("segment1", expression.Segments[0]);
Assert.Equal("segment2", expression.Segments[1]);
Assert.Equal("segment3", expression.Segments[2]);
}
