fix graph_test

Author: panyx0718

paddle/fluid/framework/ir/graph_test.cc

@@ -95,19 +95,19 @@ TEST(GraphTest, Basic) {
 
   std::unique_ptr<ir::Graph> g(new ir::Graph(prog));
   std::vector<ir::Node *> nodes(g->Nodes().begin(), g->Nodes().end());
-  ASSERT_EQ(nodes[0]->Name(), "sum");
-  ASSERT_EQ(nodes[0]->inputs[0]->Name(), "test_a");
-  ASSERT_EQ(nodes[0]->inputs[1]->Name(), "test_b");
-  ASSERT_EQ(nodes[0]->inputs[2]->Name(), "test_c");
-  ASSERT_EQ(nodes[0]->outputs[0]->Name(), "test_out");
-  ASSERT_EQ(nodes[1]->Name(), "test_a");
-  ASSERT_EQ(nodes[1]->outputs[0]->Name(), "sum");
-  ASSERT_EQ(nodes[2]->Name(), "test_b");
-  ASSERT_EQ(nodes[2]->outputs[0]->Name(), "sum");
-  ASSERT_EQ(nodes[3]->Name(), "test_c");
-  ASSERT_EQ(nodes[3]->outputs[0]->Name(), "sum");
-  ASSERT_EQ(nodes[4]->Name(), "test_out");
-  ASSERT_EQ(nodes[4]->inputs[0]->Name(), "sum");
+  for (ir::Node *n : nodes) {
+    if (n->Name() == "sum") {
+      ASSERT_EQ(n->inputs.size(), 3);
+      ASSERT_EQ(n->outputs.size(), 1);
+    } else if (n->Name() == "test_a" || n->Name() == "test_b" ||
+               n->Name() == "test_c") {
+      ASSERT_EQ(n->inputs.size(), 0);
+      ASSERT_EQ(n->outputs.size(), 1);
+    } else if (n->Name() == "test_out") {
+      ASSERT_EQ(n->inputs.size(), 1);
+      ASSERT_EQ(n->outputs.size(), 0);
+    }
+  }
   ASSERT_EQ(nodes.size(), 5);
 }
 }  // namespace framework