1 files changed, 29 insertions, 0 deletions
diff --git a/graphs/cpp/closer_to/closer_to_test.cc b/graphs/cpp/closer_to/closer_to_test.cc
new file mode 100644
index 0000000..0edfd5e
--- /dev/null
+++ b/graphs/cpp/closer_to/closer_to_test.cc
@@ -0,0 +1,29 @@
+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+#include "closer_to.hh"
+
+void print_elt(int i)
+{
+    std::cout << ' ' << i;
+}
+
+int main()
+{
+    auto v = std::vector<int>{ 1, 2, 3, 4, 5 };
+
+    std::cout << "Unsorted vector:";
+    std::for_each(v.begin(), v.end(), print_elt);
+    std::cout << '\n';
+
+    auto n = 3;
+
+    std::sort(v.begin(), v.end(), CloserTo(n));
+
+    std::cout << "Sorted vector closed to " << n << ':';
+    std::for_each(v.begin(), v.end(), print_elt);
+    std::cout << '\n';
+
+    return 0;
+}