llvm-project/llvm/unittests/ADT/FoldingSet.cpp

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//===- llvm/unittest/ADT/FoldingSetTest.cpp -------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// FoldingSet unit tests.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/FoldingSet.h"
#include <string>
using namespace llvm;
namespace {
// Unaligned string test.
TEST(FoldingSetTest, UnalignedStringTest) {
SCOPED_TRACE("UnalignedStringTest");
FoldingSetNodeID a, b;
// An aligned string.
std::string str1= "a test string";
a.AddString(str1);
// An unaligned string.
std::string str2 = ">" + str1;
b.AddString(str2.c_str() + 1);
EXPECT_EQ(a.ComputeHash(), b.ComputeHash());
}
}