More juggling

git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 94 insertions, 0 deletions

diff --git a/src/libs/engine/tests/node_tree_test.cpp b/src/libs/engine/tests/node_tree_test.cpp
new file mode 100644
index 00000000..2bce9b97
--- /dev/null
+++ b/src/libs/engine/tests/node_tree_test.cpp
@@ -0,0 +1,94 @@
+#include <cstdlib>
+#include <iostream>
+#include <vector>
+#include "../Tree.h"
+#include "../TreeImplementation.h"
+
+using std::vector;
+using std::cout; using std::cerr; using std::endl;
+
+static const uint NUM_NODES = 20;
+
+int
+main()
+{
+	cout << "\n\n\n\n";
+	
+	Tree<string>   tree;
+	vector<string> names;
+	vector<bool>   in_tree; // arrays
+	uint           num_in_tree = 0;
+	
+	
+	string name;
+	
+	for (uint i=0; i < NUM_NODES; ++i) {
+		name = (char)(i+'A');
+		TreeNode<string>* n = new TreeNode<string>(name, name);
+		tree.insert(n);
+		names.push_back(name);
+		in_tree.push_back(true);
+		++num_in_tree;
+	}
+
+	cout << "Added " << NUM_NODES << " nodes." << endl;
+	cout << "Tree size: " << tree.size() << endl << endl;
+
+	cout << "Tree contents: " << endl;
+	for (Tree<string>::iterator i = tree.begin(); i != tree.end(); ++i) {
+		cout << (*i) << ", ";
+	}
+	cout << endl;
+
+	
+	while (true) {
+		bool insert;
+		int num = rand() % NUM_NODES;
+		
+		if (num_in_tree == 0)
+			insert = true;
+		else if (num_in_tree == NUM_NODES)
+			insert = false;
+		else {
+			while (true) {
+				insert = rand() % 2;
+				num = rand() % NUM_NODES;
+				if ((insert && !in_tree[num]) || (!insert && in_tree[num]))
+					break;
+			}
+		}
+
+		string name = names[num];
+		
+		if (insert) {
+			assert(in_tree[num] == false);
+			cout << "\nInserting '" << name << "'" << endl;
+			tree.insert(new TreeNode<string>(name, name));
+			in_tree[num] = true;
+			++num_in_tree;
+			cout << "Tree size: " << tree.size() << endl;
+			assert(num_in_tree == tree.size());
+		} else {	
+			assert(in_tree[num] == true);
+			cout << "\nRemoving '" << name << "'" << endl;
+			TreeNode<string>* removed = tree.remove(name);
+			assert(removed != NULL);
+			assert(removed->node() == name);
+			assert(removed->key() == name);
+			delete removed;
+			in_tree[num] = false;
+			assert(names[num] == name);
+			--num_in_tree;
+			cout << "Tree size: " << tree.size() << endl;
+			assert(num_in_tree == tree.size());
+		}
+		assert(num_in_tree == tree.size());
+		cout << "Tree contents: " << endl;
+		for (Tree<string>::iterator i = tree.begin(); i != tree.end(); ++i) {
+			cout << (*i) << ", ";
+		}
+		cout << endl;
+	}
+	
+	return 0;
+}