xref: /aosp_15_r20/external/scudo/standalone/tests/size_class_map_test.cpp (revision 76559068c068bd27e82aff38fac3bfc865233bca)
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 
testSizeClassMap()13 template <class SizeClassMap> void testSizeClassMap() {
14   typedef SizeClassMap SCMap;
15   scudo::printMap<SCMap>();
16   scudo::validateMap<SCMap>();
17 }
18 
TEST(ScudoSizeClassMapTest,DefaultSizeClassMap)19 TEST(ScudoSizeClassMapTest, DefaultSizeClassMap) {
20   testSizeClassMap<scudo::DefaultSizeClassMap>();
21 }
22 
TEST(ScudoSizeClassMapTest,AndroidSizeClassMap)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 
TEST(ScudoSizeClassMapTest,OneClassSizeClassMap)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 
TEST(ScudoSizeClassMapTest,LargeMaxSizeClassMap)52 TEST(ScudoSizeClassMapTest, LargeMaxSizeClassMap) {
53   testSizeClassMap<scudo::FixedSizeClassMap<LargeMaxSizeClassConfig>>();
54 }
55 #endif
56