Github user hakanmemisoglu commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/233#discussion_r112069450
--- Diff: utility/tests/DAG_unittest.cpp ---
@@ -490,6 +490,51 @@ TEST(DAGTest, LinkMetadataBoolTest) {
EXPECT_FALSE(dag_.getLinkMetadata(1, 0));
}
+TEST(DAGTest, TopoSortTest) {
--- End diff --
One way to check the correctness is by first creating `reachable` mapping,
and then checking for each node `a`, for each node `b` that come after the node
`a` in `topological_sorted_list`, there must be no `reachable` path from `b`
to `a`.
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