DenseSetTest.cpp revision f0e4cac7ebdee07639bd1fc3eadf204f45868556 
1//===- llvm/unittest/ADT/DenseSetTest.cpp - DenseSet unit tests --*- C++ -*-===//
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 "gtest/gtest.h"
11#include <llvm/ADT/DenseSet.h>
12
13using namespace llvm;
14
15namespace {
16
17// Test fixture
18class DenseSetTest : public testing::Test {
19};
20
21// Test hashing with a set of only two entries.
22TEST_F(DenseSetTest, DoubleEntrySetTest) {
23  llvm::DenseSet<unsigned> set(2);
24  set.insert(0);
25  set.insert(1);
26  // Original failure was an infinite loop in this call:
27  EXPECT_EQ(0, set.count(2));
28}
29
30}
31