Generating random graph

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required (VERSION 2.6)
 project (PROJECT_GRAPH_BROWSER)
 
-set (CXX_FLAGS "-std=c++14")
+set (CXX_FLAGS "-std=c++14 -ggdb")
 add_definitions(${CXX_FLAGS})
 
 set (CMAKE_CXX_COMPILER "/usr/bin/g++-5.1.0")

main.cpp

@@ -1,10 +1,60 @@
 #include <graph/graph.hpp>
 
 #include <string>
+#include <queue>
+#include <functional>
+
+// https://stackoverflow.com/questions/440133/how-do-i-create-a-random-alpha-numeric-string-in-c
+std::string GenerateRandomString(size_t length)
+{
+    auto GenerateRandomChar = []() -> char
+    {
+        const char charset[] =
+        "0123456789"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+        "abcdefghijklmnopqrstuvwxyz";
+        const size_t max_index = (sizeof(charset) - 1);
+        return charset[ rand() % max_index ];
+    };
+    std::string str(length,0);
+    std::generate_n( str.begin(), length, GenerateRandomChar );
+    return str;
+}
+
+std::vector<std::string> GenerateRandomStrings(size_t number_of_strings,
+                                               size_t min_length,
+                                               size_t max_length)
+{
+  std::vector<std::string> v;
+  v.resize(number_of_strings);
+  for (int i = 0; i < number_of_strings; ++i) {
+    const size_t l = min_length + rand()%(max_length - min_length);
+    v[i] = GenerateRandomString(l);
+  }
+
+  return v;
+}
+
+Graph<std::string> GenerateRandomGraph(size_t number_of_vertices,
+                                       size_t number_of_edges,
+                                       size_t vertex_text_min_length,
+                                       size_t vertex_text_max_length)
+{
+  Graph<std::string> graph;
+  const std::vector<std::string> v = GenerateRandomStrings(number_of_vertices,
+                                                           vertex_text_min_length,
+                                                           vertex_text_max_length);
+  for (int i = 0; i < number_of_edges; ++i)
+    graph.addEdge(v[rand()%number_of_vertices], v[rand()%number_of_vertices]);
+
+  return graph;
+}
 
 int main(int argc, char* argv[])
 {
-  Graph<std::string> g{ "one", "two", "three" };
+  const Graph<std::string> g = GenerateRandomGraph(10, 200, 5, 20);
+
+
 
   return EXIT_SUCCESS;
 }