llvm/unittests/ADT/ilistTest.cpp

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//===- llvm/unittest/ADT/APInt.cpp - APInt unit tests ---------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <ostream>
#include "gtest/gtest.h"
#include "llvm/ADT/ilist.h"
#include "llvm/ADT/ilist_node.h"
using namespace llvm;
namespace {
struct Node : ilist_node<Node> {
int Value;
Node() {}
Node(int _Value) : Value(_Value) {}
};
TEST(ilistTest, Basic) {
ilist<Node> List;
List.push_back(Node(1));
EXPECT_EQ(1, List.back().Value);
EXPECT_EQ(0, List.back().getPrevNode());
EXPECT_EQ(0, List.back().getNextNode());
List.push_back(Node(2));
EXPECT_EQ(2, List.back().Value);
EXPECT_EQ(2, List.front().getNextNode()->Value);
EXPECT_EQ(1, List.back().getPrevNode()->Value);
const ilist<Node> &ConstList = List;
EXPECT_EQ(2, ConstList.back().Value);
EXPECT_EQ(2, ConstList.front().getNextNode()->Value);
EXPECT_EQ(1, ConstList.back().getPrevNode()->Value);
}
}