1 //===-- tsan_dense_alloc_test.cc ------------------------------------------===// 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 // This file is a part of ThreadSanitizer (TSan), a race detector. 11 // 12 //===----------------------------------------------------------------------===// 13 #include "tsan_dense_alloc.h" 14 #include "tsan_rtl.h" 15 #include "tsan_mman.h" 16 #include "gtest/gtest.h" 17 18 #include <stdlib.h> 19 #include <stdint.h> 20 #include <map> 21 22 namespace __tsan { 23 24 TEST(DenseSlabAlloc, Basic) { 25 typedef DenseSlabAlloc<int, 128, 128> Alloc; 26 typedef Alloc::Cache Cache; 27 typedef Alloc::IndexT IndexT; 28 const int N = 1000; 29 30 Alloc alloc; 31 Cache cache; 32 alloc.InitCache(&cache); 33 34 IndexT blocks[N]; 35 for (int ntry = 0; ntry < 3; ntry++) { 36 for (int i = 0; i < N; i++) { 37 IndexT idx = alloc.Alloc(&cache); 38 blocks[i] = idx; 39 EXPECT_NE(idx, 0); 40 int *v = alloc.Map(idx); 41 *v = i; 42 } 43 44 for (int i = 0; i < N; i++) { 45 IndexT idx = blocks[i]; 46 int *v = alloc.Map(idx); 47 EXPECT_EQ(*v, i); 48 alloc.Free(&cache, idx); 49 } 50 51 alloc.FlushCache(&cache); 52 } 53 } 54 55 } // namespace __tsan 56
