public void Create_RotationOfSeperateTree()
{
var left = new AbstractSyntaxTreeNode("A");
var branchLeft = new AbstractSyntaxTreeNode("B");
var terminalLeft = new AbstractSyntaxTreeNode("C");
branchLeft.Append(terminalLeft);
var branchRight = new AbstractSyntaxTreeNode("D");
var terminalRight = new AbstractSyntaxTreeNode("E");
branchRight.Append(terminalRight);
left.Append(branchLeft);
left.Append(branchRight);
var right = new AbstractSyntaxTreeNode("A");
right.Append(branchRight.CopyDeep());
right.Append(branchLeft.CopyDeep());
var metric = Creator.Create(left, right);
Assert.AreEqual(
new AbstractSyntaxTreeMetric()
{
Insertations = 0,
Deletions = 0,
Rotations = 1
},
metric
);
}
protected void BaseInit()
{
Root = new AbstractSyntaxTreeNode("1");
var leftRootChild = new AbstractSyntaxTreeNode("2");
var rightRootChild = new AbstractSyntaxTreeNode("3");
leftRootChild.Append(new AbstractSyntaxTreeNode("4"));
leftRootChild.Append(new AbstractSyntaxTreeNode("5"));
rightRootChild.Append(new AbstractSyntaxTreeNode("6"));
Root.Append(leftRootChild);
Root.Append(rightRootChild);
PreOrderExpected = new[]
{
"1", "2", "4", "5", "3", "6"
};
PostOrderExpected = new[]
{
"4", "5", "2", "6", "3", "1"
};
BreadthFirstExpected = new[]
{
"1", "2", "3", "4", "5", "6"
};
}
public AbstractSyntaxTreeNode GatherMethodDeclaration(AbstractSyntaxTreeNode classNode, ClassExtractorObj obj, string hashCode)
{
var root = new AbstractSyntaxTreeNode("Root");
root.Append(classNode);
foreach (var node in obj.CxxMethodDecls.Where(wrapper => IsDefinedClassMethod(wrapper, hashCode)))
{
root.Append(node);
}
return(root);
}
public void Create_OneDeletionsOfNode()
{
var left = new AbstractSyntaxTreeNode("A");
left.Append(new AbstractSyntaxTreeNode("B"));
var right = left.CopyDeep();
left.Append(new AbstractSyntaxTreeNode("C"));
var metric = Creator.Create(left, right);
Assert.AreEqual(new AbstractSyntaxTreeMetric()
{
Deletions = 1,
}, metric);
}
public void Create_IdenticalTreeShouldBeNoDifference()
{
var left = new AbstractSyntaxTreeNode("A");
var terminal = new AbstractSyntaxTreeNode("B");
var branch = new AbstractSyntaxTreeNode("C");
branch.Append(terminal);
left.Append(branch);
left.Append(terminal.CopyDeep());
var right = left.CopyDeep();
var metric = Creator.Create(left, right);
Assert.AreEqual(new AbstractSyntaxTreeMetric(), metric);
}
public AbstractSyntaxTreeNode GatherCallExpressions(MethodExtractorObj obj, AbstractSyntaxTreeNode methodNode, AbstractSyntaxTreeNode root, string methodHashCode)
{
var hasCodes = new List <string>();
foreach (var callExpressionNode in obj.CallExpressions)
{
var visitor = new AbstractSyntaxTreeWordSearchVisitor(Splitter, "MemberExpr");
callExpressionNode.BreadthFirst(visitor);
if (!visitor.Found)
{
continue;
}
var hashCode = Splitter.Split(visitor.Node.Value).Last();
if (hashCode.Equals(methodHashCode) || hasCodes.Contains(hashCode))
{
continue;
}
hasCodes.Add(hashCode);
var callNode = GetCallNodeOrDefault(root, hashCode);
if (callNode == null)
{
continue;
}
methodNode.Append(callNode);
}
return(methodNode);
}
public void Create_CheckDistanceOfDifferentAbstractSyntaxTreeNodesWithOperator()
{
var left = new AbstractSyntaxTreeNode("one");
left.Append(new AbstractSyntaxTreeNode("two"));
left.Append(new AbstractSyntaxTreeNode("three"));
left.Append(new AbstractSyntaxTreeNode("one (two) + + + + + + + three"));
var right = new AbstractSyntaxTreeNode("four");
right.Append(new AbstractSyntaxTreeNode("one"));
right.Append(new AbstractSyntaxTreeNode("ones"));
right.Append(new AbstractSyntaxTreeNode("four ones"));
var metric = Creator.Create(left, right);
Assert.AreEqual(Math.Pow(64, 0.5), metric.Difference);
}
public void Search_ShouldNotFindTwo()
{
var root = new AbstractSyntaxTreeNode("root");
root.Append(new AbstractSyntaxTreeNode("1 one"));
var visitor = new AbstractSyntaxTreeWordSearchVisitor(Splitter, "two");
root.PreOrder(visitor);
Assert.IsNull(visitor.Node);
}
public void Search_ShouldFindTheNodeWithOne()
{
var root = new AbstractSyntaxTreeNode("root");
root.Append(new AbstractSyntaxTreeNode("1 one"));
var visitor = new AbstractSyntaxTreeWordSearchVisitor(Splitter, "one");
root.PreOrder(visitor);
Assert.IsTrue(visitor.Node.Value.Contains("1"));
}
public void ExtractLevel(ref AbstractSyntaxTreeNode root, out string lastLine)
{
while (CurrentLine.Length > Depth && CurrentLine[Depth] == '-')
{
var line = CurrentLine.Substring(Depth + 1);
var node = new AbstractSyntaxTreeNode(line);
if (Reader.EndOfStream)
{
lastLine = CurrentLine;
root.Append(node);
return;
}
var level = new ClangAbstractSyntaxTreeLevelExtractor(Reader, Reader.ReadLine(), Depth + 2);
level.ExtractLevel(ref node, out lastLine);
CurrentLine = lastLine;
root.Append(node);
}
lastLine = CurrentLine;
}
public AbstractSyntaxTreeNode GetMethodOrDefault(MethodExtractorObj obj, MethodDeclaration methodDeclaration, out string hashCode)
{
var root = new AbstractSyntaxTreeNode("Root");
foreach (var methodNode in obj.Methods)
{
if (!NodeIsMethod(methodNode, methodDeclaration))
{
continue;
}
hashCode = GetMethodHashCodeOrDefault(methodNode, methodDeclaration.AstType);
if (hashCode == null)
{
continue;
}
if (methodNode.Value.EndsWith("default"))
{
root.Append(methodNode);
return(root);
}
var visitor = new AbstractSyntaxTreeWordSearchVisitor(Splitter, "CompoundStmt");
methodNode.BreadthFirst(visitor);
if (!visitor.Found)
{
continue;
}
root.Append(methodNode);
return(root);
}
hashCode = null;
return(null);
}
public void Create_RotateWithinNode()
{
var left = new AbstractSyntaxTreeNode("A");
left.Append(new AbstractSyntaxTreeNode("B"));
left.Append(new AbstractSyntaxTreeNode("C"));
var right = new AbstractSyntaxTreeNode("A");
right.Append(new AbstractSyntaxTreeNode("C"));
right.Append(new AbstractSyntaxTreeNode("B"));
var metric = Creator.Create(left, right);
Assert.AreEqual(
new AbstractSyntaxTreeMetric()
{
Insertations = 0,
Deletions = 0,
Rotations = 1
},
metric
);
}
public void Create_BranchHeavyRightSide()
{
var left = new AbstractSyntaxTreeNode("A");
var right = new AbstractSyntaxTreeNode("A");
right.Append(new AbstractSyntaxTreeNode("B"));
var metric = Creator.Create(left, right);
Assert.AreEqual(
new AbstractSyntaxTreeMetric()
{
Insertations = 2,
Deletions = 1,
Rotations = 1
},
metric
);
}
public void Append_IsTerminalShouldBeFalse()
{
Root.Append(Child);
Assert.IsFalse(Root.Terminal);
}
