1//===- llvm/unittest/ADT/APInt.cpp - APInt unit tests ---------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include <ostream>
11#include "gtest/gtest.h"
12#include "llvm/ADT/ilist.h"
13#include "llvm/ADT/ilist_node.h"
14
15using namespace llvm;
16
17namespace {
18
19struct Node : ilist_node<Node> {
20  int Value;
21
22  Node() {}
23  Node(int _Value) : Value(_Value) {}
24};
25
26TEST(ilistTest, Basic) {
27  ilist<Node> List;
28  List.push_back(Node(1));
29  EXPECT_EQ(1, List.back().Value);
30  EXPECT_EQ(0, List.back().getPrevNode());
31  EXPECT_EQ(0, List.back().getNextNode());
32
33  List.push_back(Node(2));
34  EXPECT_EQ(2, List.back().Value);
35  EXPECT_EQ(2, List.front().getNextNode()->Value);
36  EXPECT_EQ(1, List.back().getPrevNode()->Value);
37
38  const ilist<Node> &ConstList = List;
39  EXPECT_EQ(2, ConstList.back().Value);
40  EXPECT_EQ(2, ConstList.front().getNextNode()->Value);
41  EXPECT_EQ(1, ConstList.back().getPrevNode()->Value);
42}
43
44}
45