compiler-rt/lib/scudo/standalone/tests/size_class_map_test.cpp

   1 //===-- size_class_map_test.cpp ---------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "tests/scudo_unit_test.h"
  10
  11 #include "size_class_map.h"
  12
  13 template <class SizeClassMap> void testSizeClassMap() {
  14   typedef SizeClassMap SCMap;
  15   scudo::printMap<SCMap>();
  16   scudo::validateMap<SCMap>();
  17 }
  18
  19 TEST(ScudoSizeClassMapTest, DefaultSizeClassMap) {
  20   testSizeClassMap<scudo::DefaultSizeClassMap>();
  21 }
  22
  23 TEST(ScudoSizeClassMapTest, AndroidSizeClassMap) {
  24   testSizeClassMap<scudo::AndroidSizeClassMap>();
  25 }
  26
  27 struct OneClassSizeClassConfig {
  28   static const scudo::uptr NumBits = 1;
  29   static const scudo::uptr MinSizeLog = 5;
  30   static const scudo::uptr MidSizeLog = 5;
  31   static const scudo::uptr MaxSizeLog = 5;
  32   static const scudo::u16 MaxNumCachedHint = 0;
  33   static const scudo::uptr MaxBytesCachedLog = 0;
  34   static const scudo::uptr SizeDelta = 0;
  35 };
  36
  37 TEST(ScudoSizeClassMapTest, OneClassSizeClassMap) {
  38   testSizeClassMap<scudo::FixedSizeClassMap<OneClassSizeClassConfig>>();
  39 }
  40
  41 #if SCUDO_CAN_USE_PRIMARY64
  42 struct LargeMaxSizeClassConfig {
  43   static const scudo::uptr NumBits = 3;
  44   static const scudo::uptr MinSizeLog = 4;
  45   static const scudo::uptr MidSizeLog = 8;
  46   static const scudo::uptr MaxSizeLog = 63;
  47   static const scudo::u16 MaxNumCachedHint = 128;
  48   static const scudo::uptr MaxBytesCachedLog = 16;
  49   static const scudo::uptr SizeDelta = 0;
  50 };
  51
  52 TEST(ScudoSizeClassMapTest, LargeMaxSizeClassMap) {
  53   testSizeClassMap<scudo::FixedSizeClassMap<LargeMaxSizeClassConfig>>();
  54 }
  55 #endif