unittests/ADT/FoldingSet.cpp

   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.
  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