Function TEST

tools/navigable_ast_test.cc:35–51

using ::testing::SizeIs;

TEST(NavigableProtoAst, Basic) {
  Expr const_node;
  const_node.set_id(1);
  const_node.mutable_const_expr()->set_int64_value(42);

  NavigableProtoAst ast = NavigableProtoAst::Build(const_node);
  EXPECT_TRUE(ast.IdsAreUnique());

  const NavigableProtoAstNode& root = ast.Root();

  EXPECT_EQ(root.expr(), &const_node);
  EXPECT_THAT(root.children(), IsEmpty());
  EXPECT_TRUE(root.parent() == nullptr);
  EXPECT_EQ(root.child_index(), -1);
  EXPECT_EQ(root.node_kind(), NodeKind::kConstant);
  EXPECT_EQ(root.parent_relation(), ChildKind::kUnspecified);
}

TEST(NavigableProtoAst, DefaultCtorEmpty) {
  Expr const_node;