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//===-- tsan_dense_alloc_test.cpp -----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#include "tsan_dense_alloc.h"
#include "tsan_rtl.h"
#include "tsan_mman.h"
#include "gtest/gtest.h"
#include <stdlib.h>
#include <stdint.h>
#include <map>
namespace __tsan {
TEST(DenseSlabAlloc, Basic) {
typedef u64 T;
typedef DenseSlabAlloc<T, 128, 128> Alloc;
typedef Alloc::Cache Cache;
typedef Alloc::IndexT IndexT;
const T N = 1000;
Alloc alloc("test");
Cache cache;
alloc.InitCache(&cache);
IndexT blocks[N];
for (int ntry = 0; ntry < 3; ntry++) {
for (T i = 0; i < N; i++) {
IndexT idx = alloc.Alloc(&cache);
blocks[i] = idx;
EXPECT_NE(idx, 0U);
T *v = alloc.Map(idx);
*v = i;
}
for (T i = 0; i < N; i++) {
IndexT idx = blocks[i];
T *v = alloc.Map(idx);
EXPECT_EQ(*v, i);
alloc.Free(&cache, idx);
}
alloc.FlushCache(&cache);
}
}
} // namespace __tsan
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