forked from OSchip/llvm-project
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
//===-- iterate.cpp ---------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "gwp_asan/tests/harness.h"
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#include <set>
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#include <vector>
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TEST_F(CustomGuardedPoolAllocator, Iterate) {
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InitNumSlots(7);
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std::vector<std::pair<void *, size_t>> Allocated;
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auto alloc = [&](size_t size) {
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Allocated.push_back({GPA.allocate(size), size});
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};
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void *Ptr = GPA.allocate(5);
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alloc(2);
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alloc(1);
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alloc(100);
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GPA.deallocate(Ptr);
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alloc(42);
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std::sort(Allocated.begin(), Allocated.end());
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GPA.disable();
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void *Base = Allocated[0].first;
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size_t Size = reinterpret_cast<size_t>(Allocated.back().first) -
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reinterpret_cast<size_t>(Base) + 1;
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std::vector<std::pair<void *, size_t>> Found;
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GPA.iterate(
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Base, Size,
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[](uintptr_t Addr, size_t Size, void *Arg) {
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reinterpret_cast<std::vector<std::pair<void *, size_t>> *>(Arg)
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->push_back({(void *)Addr, Size});
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},
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reinterpret_cast<void *>(&Found));
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GPA.enable();
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std::sort(Found.begin(), Found.end());
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EXPECT_EQ(Allocated, Found);
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// Now without the last allocation.
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GPA.disable();
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Size = reinterpret_cast<size_t>(Allocated.back().first) -
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reinterpret_cast<size_t>(Base); // Allocated.back() is out of range.
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Found.clear();
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GPA.iterate(
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Base, Size,
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[](uintptr_t Addr, size_t Size, void *Arg) {
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reinterpret_cast<std::vector<std::pair<void *, size_t>> *>(Arg)
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->push_back({(void *)Addr, Size});
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},
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reinterpret_cast<void *>(&Found));
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GPA.enable();
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// We should have found every allocation but the last.
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// Remove it and compare the rest.
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std::sort(Found.begin(), Found.end());
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GPA.deallocate(Allocated.back().first);
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Allocated.pop_back();
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EXPECT_EQ(Allocated, Found);
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for (auto PS : Allocated)
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GPA.deallocate(PS.first);
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}
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