1 /* Copyright (c) 2015-2018. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #define BOOST_TEST_MODULE PAGESTORE
7 #define BOOST_TEST_DYN_LINK
9 bool init_unit_test(); // boost sometimes forget to give this prototype (NetBSD and other), which does not fit our paranoid flags
10 #include <boost/test/unit_test.hpp>
21 #include "src/mc/sosp/PageStore.hpp"
23 using simgrid::mc::PageStore;
25 /***********************************/
26 // a class to hold the variable used in the test cases
29 static std::size_t pagesize;
30 static std::unique_ptr<PageStore> store;
32 static size_t pageno1, pageno2, pageno3, pageno4;
35 public: // member functions used by the test suite(s)
37 static void store_page_once();
38 static void store_same_page();
39 static void store_new_page();
40 static void unref_pages();
41 static void reallocate_page();
43 static void new_content(void* data, std::size_t size);
44 static void* getpage();
47 // static member datat initialization
48 std::size_t BOOST_tests::pagesize = 0;
49 std::unique_ptr<PageStore> BOOST_tests::store = nullptr;
50 void* BOOST_tests::data = nullptr;
51 size_t BOOST_tests::pageno1 = 0;
52 size_t BOOST_tests::pageno2 = 0;
53 size_t BOOST_tests::pageno3 = 0;
54 size_t BOOST_tests::pageno4 = 0;
55 int BOOST_tests::value = 0;
57 void BOOST_tests::Init()
59 pagesize = (size_t)getpagesize();
60 store = std::unique_ptr<PageStore>(new simgrid::mc::PageStore(500));
62 BOOST_CHECK_MESSAGE(store->size() == 0, "Bad size");
65 void BOOST_tests::store_page_once()
67 new_content(data, pagesize);
68 pageno1 = store->store_page(data);
69 BOOST_CHECK_MESSAGE(store->get_ref(pageno1) == 1, "Bad refcount");
70 const void* copy = store->get_page(pageno1);
71 BOOST_CHECK_MESSAGE(::memcmp(data, copy, pagesize) == 0, "Page data should be the same");
72 BOOST_CHECK_MESSAGE(store->size() == 1, "Bad size");
75 void BOOST_tests::store_same_page()
77 pageno2 = store->store_page(data);
78 BOOST_CHECK_MESSAGE(pageno1 == pageno2, "Page should be the same");
79 BOOST_CHECK_MESSAGE(store->get_ref(pageno1) == 2, "Bad refcount");
80 BOOST_CHECK_MESSAGE(store->size() == 1, "Bad size");
83 void BOOST_tests::store_new_page()
85 new_content(data, pagesize);
86 pageno3 = store->store_page(data);
87 BOOST_CHECK_MESSAGE(pageno1 != pageno3, "New page should be different");
88 BOOST_CHECK_MESSAGE(store->size() == 2, "Bad size");
91 void BOOST_tests::unref_pages()
93 store->unref_page(pageno1);
94 BOOST_CHECK_MESSAGE(store->get_ref(pageno1) == 1, "Bad refcount");
95 BOOST_CHECK_MESSAGE(store->size() == 2, "Bad size");
96 store->unref_page(pageno2);
97 BOOST_CHECK_MESSAGE(store->size() == 1, "Bad size");
100 void BOOST_tests::reallocate_page()
102 new_content(data, pagesize);
103 pageno4 = store->store_page(data);
104 BOOST_CHECK_MESSAGE(pageno1 == pageno4, "Page was not reused");
105 BOOST_CHECK_MESSAGE(store->get_ref(pageno4) == 1, "Bad refcount");
106 BOOST_CHECK_MESSAGE(store->size() == 2, "Bad size");
109 void BOOST_tests::new_content(void* data, std::size_t size)
111 ::memset(data, ++value, size);
114 void* BOOST_tests::getpage()
116 return mmap(nullptr, getpagesize(), PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
119 namespace utf = boost::unit_test; // for test case dependence
121 BOOST_AUTO_TEST_SUITE(PAGESTORE)
122 BOOST_AUTO_TEST_CASE(Init)
127 BOOST_AUTO_TEST_CASE(store_page_once, *utf::depends_on("PAGESTORE/Init"))
129 BOOST_tests::store_page_once();
132 BOOST_AUTO_TEST_CASE(store_same_page, *utf::depends_on("PAGESTORE/store_page_once"))
134 BOOST_tests::store_same_page();
137 BOOST_AUTO_TEST_CASE(store_new_page, *utf::depends_on("PAGESTORE/store_same_page"))
139 BOOST_tests::store_new_page();
142 BOOST_AUTO_TEST_CASE(unref_pages, *utf::depends_on("PAGESTORE/store_new_page"))
144 BOOST_tests::unref_pages();
147 BOOST_AUTO_TEST_CASE(reallocate_page, *utf::depends_on("PAGESTORE/unref_pages"))
149 BOOST_tests::reallocate_page();
151 BOOST_AUTO_TEST_SUITE_END()