two version of R2R are hereHEADmaster

1 files changed, 18 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/networkx/generators/tests/test_cographs.py b/.venv/lib/python3.12/site-packages/networkx/generators/tests/test_cographs.py
new file mode 100644
index 00000000..a71849b0
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/networkx/generators/tests/test_cographs.py
@@ -0,0 +1,18 @@
+"""Unit tests for the :mod:`networkx.generators.cographs` module."""
+
+import networkx as nx
+
+
+def test_random_cograph():
+    n = 3
+    G = nx.random_cograph(n)
+
+    assert len(G) == 2**n
+
+    # Every connected subgraph of G has diameter <= 2
+    if nx.is_connected(G):
+        assert nx.diameter(G) <= 2
+    else:
+        components = nx.connected_components(G)
+        for component in components:
+            assert nx.diameter(G.subgraph(component)) <= 2