1 //===- llvm/unittest/ADT/FoldingSetTest.cpp -------------------------------===//
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 // FoldingSet unit tests.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "gtest/gtest.h"
15 #include "llvm/ADT/FoldingSet.h"
16 #include <string>
17 
18 using namespace llvm;
19 
20 namespace {
21 
22 // Unaligned string test.
TEST(FoldingSetTest,UnalignedStringTest)23 TEST(FoldingSetTest, UnalignedStringTest) {
24   SCOPED_TRACE("UnalignedStringTest");
25 
26   FoldingSetNodeID a, b;
27   // An aligned string.
28   std::string str1= "a test string";
29   a.AddString(str1);
30 
31   // An unaligned string.
32   std::string str2 = ">" + str1;
33   b.AddString(str2.c_str() + 1);
34 
35   EXPECT_EQ(a.ComputeHash(), b.ComputeHash());
36 }
37 
38 }
39 
40