Function TEST

test/fuzz/call_graph_test.cpp:275–293

// D calls nothing.

TEST(CallGraphTest, FunctionInDegree) {
  const auto env = SPV_ENV_UNIVERSAL_1_5;
  const auto consumer = nullptr;

  const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
  spvtools::ValidatorOptions validator_options;
  ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
                                               kConsoleMessageConsumer));

  const auto graph = CallGraph(context.get());

  const auto& function_in_degree = graph.GetFunctionInDegree();
  // Check the in-degrees of, in order: main, A, B, C, D.
  ASSERT_EQ(function_in_degree.at(2), 0);
  ASSERT_EQ(function_in_degree.at(35), 3);
  ASSERT_EQ(function_in_degree.at(48), 1);
  ASSERT_EQ(function_in_degree.at(50), 2);
  ASSERT_EQ(function_in_degree.at(61), 1);
}

TEST(CallGraphTest, DirectCallees) {
  const auto env = SPV_ENV_UNIVERSAL_1_5;