Function EdgeIter

tensorflow/core/graph/graph_test.cc:374–385

Convert edge iteration results into a sorted string.

// Convert edge iteration results into a sorted string.
static string EdgeIter(const Graph& g) {
  std::vector<std::pair<int, int> > edges;
  for (const Edge* e : g.edges()) {
    edges.push_back(std::make_pair(e->src()->id(), e->dst()->id()));
  }
  std::sort(edges.begin(), edges.end());
  string result;
  for (auto& p : edges) {
    strings::StrAppend(&result, p.first, "->", p.second, ";");
  }
  return result;
}

TEST_F(GraphTest, EdgeIteration) {
  EXPECT_EQ("0->1;", EdgeIter(graph_));