From 88d5858f55ea824cd9f09d8d3481a9a85aea3fa8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sun, 13 Dec 2015 21:41:52 +0100
Subject: [PATCH] graph: Add synthetic test.

* tests/graph.scm ("node-transitive-edges, no duplicates"): New test.
---
 tests/graph.scm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/graph.scm b/tests/graph.scm
index ad8aea0ada..04c6e74279 100644
--- a/tests/graph.scm
+++ b/tests/graph.scm
@@ -250,6 +250,17 @@ edges."
                                        (bootstrap? package)))
                                  diff))))))))
 
+(test-assert "node-transitive-edges, no duplicates"
+  (run-with-store %store
+    (let* ((p0  (dummy-package "p0"))
+           (p1a (dummy-package "p1a" (inputs `(("p0" ,p0)))))
+           (p1b (dummy-package "p1b" (inputs `(("p0" ,p0)))))
+           (p2  (dummy-package "p2" (inputs `(("p1a" ,p1a) ("p1b" ,p1b))))))
+      (mlet %store-monad ((edges (node-edges %package-node-type
+                                             (list p2 p1a p1b p0))))
+        (return (lset= eq? (node-transitive-edges (list p2) edges)
+                       (list p1a p1b p0)))))))
+
 (test-end "graph")