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8e487760c5
The bug was introduced in r289619. Reviewers: Mehdi Amini Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D28134 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290749 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
//===- llvm/unittest/ADT/ReverseIterationTest.cpp ------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// ReverseIteration unit tests.
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "llvm/ADT/SmallPtrSet.h"
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#if LLVM_ENABLE_ABI_BREAKING_CHECKS
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using namespace llvm;
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TEST(ReverseIterationTest, SmallPtrSetTest) {
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SmallPtrSet<void*, 4> Set;
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void *Ptrs[] = { (void*)0x1, (void*)0x2, (void*)0x3, (void*)0x4 };
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void *ReversePtrs[] = { (void*)0x4, (void*)0x3, (void*)0x2, (void*)0x1 };
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for (auto *Ptr: Ptrs)
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Set.insert(Ptr);
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// Check forward iteration.
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ReverseIterate<bool>::value = false;
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for (const auto &Tuple : zip(Set, Ptrs))
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ASSERT_EQ(std::get<0>(Tuple), std::get<1>(Tuple));
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// Check operator++ (post-increment) in forward iteration.
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int i = 0;
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for (auto begin = Set.begin(), end = Set.end();
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begin != end; i++)
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ASSERT_EQ(*begin++, Ptrs[i]);
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// Check reverse iteration.
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ReverseIterate<bool>::value = true;
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for (const auto &Tuple : zip(Set, ReversePtrs))
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ASSERT_EQ(std::get<0>(Tuple), std::get<1>(Tuple));
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// Check operator++ (post-increment) in reverse iteration.
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i = 0;
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for (auto begin = Set.begin(), end = Set.end();
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begin != end; i++)
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ASSERT_EQ(*begin++, ReversePtrs[i]);
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}
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#endif
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