public void ProcessChange_EditExpression01()
{
string expression = "if(true) x <- 1";
string expected1 =
@"GlobalScope [Global]
If []
TokenNode [if [0...2)]
TokenNode [( [2...3)]
Expression [true]
Variable [true]
TokenNode [) [7...8)]
SimpleScope [9...15)
ExpressionStatement [x <- 1]
Expression [x <- 1]
TokenOperator [<- [11...13)]
Variable [x]
TokenNode [<- [11...13)]
NumericalValue [1 [14...15)]
";
ParserTest.VerifyParse(expected1, expression);
EditorTree tree = EditorTreeTest.ApplyTextChange(expression, 3, 4, 5, "false");
tree.IsDirty.Should().BeTrue();
tree.ProcessChanges();
string expected2 =
@"GlobalScope [Global]
If []
TokenNode [if [0...2)]
TokenNode [( [2...3)]
Expression [false]
Variable [false]
TokenNode [) [8...9)]
SimpleScope [10...16)
ExpressionStatement [x <- 1]
Expression [x <- 1]
TokenOperator [<- [12...14)]
Variable [x]
TokenNode [<- [12...14)]
NumericalValue [1 [15...16)]
";
ParserTest.CompareTrees(expected2, tree.AstRoot);
}
public void ProcessChange_EditIfElse01()
{
string expression = "if(true) x <- 1 else x <- 2";
string expected1 =
@"GlobalScope [Global]
If []
TokenNode [if [0...2)]
TokenNode [( [2...3)]
Expression [true]
Variable [true]
TokenNode [) [7...8)]
SimpleScope [9...15)
ExpressionStatement [x <- 1]
Expression [x <- 1]
TokenOperator [<- [11...13)]
Variable [x]
TokenNode [<- [11...13)]
NumericalValue [1 [14...15)]
KeywordScopeStatement []
TokenNode [else [16...20)]
SimpleScope [21...27)
ExpressionStatement [x <- 2]
Expression [x <- 2]
TokenOperator [<- [23...25)]
Variable [x]
TokenNode [<- [23...25)]
NumericalValue [2 [26...27)]
";
ParserTest.VerifyParse(expected1, expression);
EditorTree tree = EditorTreeTest.ApplyTextChange(expression, 15, 0, 1, "\n");
tree.IsDirty.Should().BeTrue();
tree.ProcessChanges();
string expected2 =
@"GlobalScope [Global]
If []
TokenNode [if [0...2)]
TokenNode [( [2...3)]
Expression [true]
Variable [true]
TokenNode [) [7...8)]
SimpleScope [9...15)
ExpressionStatement [x <- 1]
Expression [x <- 1]
TokenOperator [<- [11...13)]
Variable [x]
TokenNode [<- [11...13)]
NumericalValue [1 [14...15)]
ExpressionStatement [x <- 2]
Expression [x <- 2]
TokenOperator [<- [24...26)]
Variable [x]
TokenNode [<- [24...26)]
NumericalValue [2 [27...28)]
UnexpectedToken Token [17...21)
";
ParserTest.CompareTrees(expected2, tree.AstRoot);
}