public void ItemTree_Basic()
{
byte[] byteBuffer = new byte[100];
int[] intBuffer = new int[10];
String8Set splitPath8;
StringStore strings = new StringStore();
ItemTree fileTree = new ItemTree();
string[] filePaths =
{
@"C:\Code\Arriba\Arriba\Diagnostics\DailyLogTraceListener.cs",
@"C:\Code\Arriba\Arriba\Diagnostics\ProgressWriter.cs",
@"C:\Code\Arriba\Arriba\Diagnostics\Log4NetDiagnosticConsumer.cs",
@"C:\Code\Arriba\Arriba\Diagnostics\Memory.cs",
@"C:\Code\Arriba\Arriba\Diagnostics\TraceWriter.cs"
};
List <int> fileTreeIndexes = new List <int>();
// Index each file path
foreach (string filePath in filePaths)
{
splitPath8 = String8.Convert(filePath, byteBuffer).Split('\\', intBuffer);
fileTreeIndexes.Add(fileTree.AddPath(0, splitPath8, strings));
}
for (int i = 0; i < filePaths.Length; ++i)
{
// Reconstruct each file path and confirm they match
string rebuiltPath = fileTree.GetPath(fileTreeIndexes[i], strings, '\\').ToString();
Assert.AreEqual(filePaths[i], rebuiltPath);
// Verify find by path works
splitPath8 = String8.Convert(filePaths[i], byteBuffer).Split('\\', intBuffer);
int foundAtIndex;
Assert.IsTrue(fileTree.TryFindByPath(0, splitPath8, strings, out foundAtIndex));
Assert.AreEqual(fileTreeIndexes[i], foundAtIndex);
}
// Verify find works
int foundIndex;
// Root found under sentinel root
Assert.IsTrue(fileTree.TryFindChildByName(0, strings.FindOrAddString("C:"), out foundIndex));
Assert.AreEqual(1, foundIndex);
// Root not found under another node
Assert.IsFalse(fileTree.TryFindChildByName(1, strings.FindOrAddString("C:"), out foundIndex));
// Node not found at root
Assert.IsFalse(fileTree.TryFindChildByName(0, strings.FindOrAddString("Code"), out foundIndex));
// Node found under the right parent
Assert.IsTrue(fileTree.TryFindChildByName(1, strings.FindOrAddString("Code"), out foundIndex));
Assert.AreEqual(2, foundIndex);
// FindByPath works under a partial path
splitPath8 = String8.Convert(@"Code\Arriba", byteBuffer).Split('\\', intBuffer);
int arribaIndex;
Assert.IsTrue(fileTree.TryFindByPath(1, splitPath8, strings, out arribaIndex));
splitPath8 = String8.Convert(@"Arriba\Diagnostics\DailyLogTraceListener.cs", byteBuffer).Split('\\', intBuffer);
int dailyLogIndex;
Assert.IsTrue(fileTree.TryFindByPath(arribaIndex, splitPath8, strings, out dailyLogIndex));
Assert.AreEqual(fileTreeIndexes[0], dailyLogIndex);
// FindByPath returns the closest element when it fails
splitPath8 = String8.Convert(@"C:\Nope", byteBuffer).Split('\\', intBuffer);
int nopeIndex;
Assert.IsFalse(fileTree.TryFindByPath(0, splitPath8, strings, out nopeIndex));
Assert.AreEqual(1, nopeIndex, @"Failed find for C:\Nope should return 'C:' index; the successful portion of the search.");
splitPath8 = String8.Convert(@"C:\Code\Arriba\Arriba\Diagnostics\TraceWriter.cs\Nope", byteBuffer).Split('\\', intBuffer);
Assert.IsFalse(fileTree.TryFindByPath(0, splitPath8, strings, out nopeIndex));
Assert.AreEqual(fileTreeIndexes[4], nopeIndex);
// Verify depth works
Assert.AreEqual(0, fileTree.GetDepth(0));
Assert.AreEqual(1, fileTree.GetDepth(1));
Assert.AreEqual(6, fileTree.GetDepth(fileTreeIndexes[0]));
Assert.AreEqual("C:", strings[fileTree.GetNameIdentifier(fileTree.GetAncestorAtDepth(fileTreeIndexes[0], 1))].ToString());
Assert.AreEqual("Code", strings[fileTree.GetNameIdentifier(fileTree.GetAncestorAtDepth(fileTreeIndexes[0], 2))].ToString());
Assert.AreEqual("Arriba", strings[fileTree.GetNameIdentifier(fileTree.GetAncestorAtDepth(fileTreeIndexes[0], 3))].ToString());
Assert.AreEqual("Arriba", strings[fileTree.GetNameIdentifier(fileTree.GetAncestorAtDepth(fileTreeIndexes[0], 4))].ToString());
// Sort the tree by name
fileTree.SortByName(strings);
// Log the tree
Trace.WriteLine(Write.ToString((w) => fileTree.WriteTree(w, strings, 1)));
// Verify roundtrip
ItemTree readTree = new ItemTree();
Verify.RoundTrip(fileTree, readTree);
fileTree = readTree;
// Reconstruct each file path
for (int i = 0; i < filePaths.Length; ++i)
{
string rebuiltPath = fileTree.GetPath(fileTreeIndexes[i], strings, '\\').ToString();
Assert.AreEqual(filePaths[i], rebuiltPath);
}
}